Drugs cause extreme euphoria and significantly greater dopamine surges, which together strongly reinforce the relationship between using the drug, the associated pleasure, and all of the environmental stimuli.
What does heroin's receptor action entail?Certain brain receptors known as mu-opioid receptors are bound to and activated by heroin (MORs). Neurotransmitters, which are organic compounds found in our bodies, link to these receptors in the brain and body to control pain, hormone release, and emotions of wellbeing.
You feel happy as a result. Also, it inspires you to take action when you're enjoying yourself. A component of your reward system is dopamine.
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Which type of mirror can create a real image?
When the price of food kept increasing rapidly, residents of which one of the following countries revolted in the country's major cities by rioting in 2008?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
Jordan
Egypt
South Africa
Burkina Faso
The correct answer is Egypt.
I need help.
1. Pick one of the Canadian Biomes (Terrestrial or Aquatic)
2. Pick a minimum of 10 organisms. (At least a producer, composer and decomposer) from that biome and draw a Food Web involving all of your selected organisms.
I cannot draw, but I can provide you with the requested information.
Canadian Biome: Boreal Forest
Organisms:
1. Black Spruce (Producer)
2. Moose (Primary Consumer)
3. Red Fox (Secondary Consumer)
4. Snowshoe Hare (Primary Consumer)
5. American Black Bear (Secondary Consumer)
6. Grey Wolf (Tertiary Consumer)
7. Pine Marten (Secondary Consumer)
8. Northern Saw-whet Owl (Tertiary Consumer)
9. Red Squirrel (Primary Consumer)
10. Woodpecker (Secondary Consumer)
11. Fungi (Decomposer)
Food Web:
Black Spruce → Red Squirrel → Northern Saw-whet Owl
Black Spruce → Red Squirrel → Pine Marten
Black Spruce → Snowshoe Hare → Lynx
Black Spruce → Snowshoe Hare → Red Fox
Black Spruce → Moose → Grey Wolf
Black Spruce → Moose → American Black Bear
Black Spruce → Moose → Pine Marten
Black Spruce → Moose → Red Fox
Fungi → Decomposition → Nutrients for Black Spruce and other Producers
Note: This food web is just an example, and there can be many other organisms and relationships in the Boreal Forest biome.
57. A patient has just received an organ transplant. Which treatment would be most effective in pre- venting the patient's body from rejecting the organ?
(1) Treat the patient with medications that decrease the immune system's response. (2) Treat the patient with antibiotics to fight off a possible viral infection
(3) Restrict the patient's salt intake.
(4) Give the patient blood transfusions.
The most effective treatment in preventing the patient's body from rejecting the transplanted organ would be (1) to treat the patient with medications that decrease the immune system's response.
What is the best treatment?Organ transplantation involves transferring an organ from one individual to another, which can trigger an immune response in the recipient's body. The recipient's immune system recognizes the transplanted organ as foreign and attacks it, which can lead to organ rejection.
To prevent organ rejection, medications called immunosuppressants are typically used to decrease the immune system's response and prevent it from attacking the transplanted organ.
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Some protists can reproduce both sexually and asexually. What's a major advantage of each?
A. Sexual reproduction increases genetic diversity, and asexual reproduction can be more rapid.
B. Sexual reproduction allows the organism to produce an exact copy of itself, and asexual reproduction can be more rapid.
C. Sexual reproduction can be more rapid, and asexual reproduction allows the organism to produce an exact copy of itself.
D. Sexual reproduction is less prone to making genetic mutations, and asexual reproduction increases genetic diversity.
Asexual reproduction has the potential for faster growth, while sexual reproduction enhances genetic diversity. In protists, sexual reproduction has the major benefit of increasing genetic.
How do protozoa reproduce both sexily and asexually?While some protists reproduce sexually using gametes, others do so asexually using binary fission. Plasmodium falciparum, which possesses both sexual and asexual variants of the organism, is an excellent illustration of a species with incredibly complex life cycles.
What is the benefit of sexual and asexual reproduction?Both approaches have benefits. A varied gene pool that can tolerate a dynamic and changing environment can be developed through sexual reproduction. Asexual reproduction is advantageous for maintaining a big, homogenous population and for species that can't move around.
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Which of the following about GMOs is TRUE?
GMOs have not yet been approved for use in US food products.
Drought resistance is the most common GMO trait inserted into crops.
GMOs are organisms that have had their genetic information altered.
Genetic engineering can create traits we want our crops to have.
Answer: GMOs are organisms that have had their genetic information altered.
Explanation: GMO = genetically modified organism
When river water is used for households, what category of water use is that?
O instream and offstream; consumptive and nonconsumptive
O instream; nonconsumptive
O offstream; nonconsumptive
O instream; consumptive
O offstream; consumptive
The category of water use is off-stream and nonconsumptive when river water is used for domestic purposes.
Offstream water usage is the term for using water for a specified purpose away from its natural sources, such as a river or lake. In this instance, river water is being used for domestic purposes.
Nonconsumptive water usage is when water is used for a process without being consumed or depleted. In this instance, the water is being used by the household for tasks like cleaning, bathing, and laundry, but it is not being consumed in the sense that food or drink is being made with it.
Hence, "off-stream; nonconsumptive" is the right response.
In conclusion, residential usage of river water falls under the categories of off-stream and nonconsumptive water use.
Offstream water use is the use of water for a specified purpose that is separated from its natural source, whereas nonconsumptive water use is the use of water that is not consumed during the process.
As a result, when river water is used for home purposes, it is taken from the river (off-stream) for tasks like washing and cleaning (nonconsumptive).
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Fresh water productivity depends on ?
Answer:
dapwends on land in the city grounding
THIS IS DUE IN ONE HOUR
Which of these is a good hypothesis?
Responses
If I increase the amount of water that a plant receives, it will grow taller
Most people prefer dogs over cats,
Earthquakes are not as bad as hurricanes
Why might your conclusion prove your hypothesis to be incorrect? Select the 3 answer choices that are correct.
Responses
You learned new information while completing the experiment.
You learned new information while completing the experiment.
You made a mistake during the experiment.
You did not fully understand the scientific concepts when making your hypothesis.
Your hypothesis should always be correct.
You are testing different hand soaps to see which one kills the most bacteria. What would be your independent variable?
Responses
type of soap
amount of soap used
type of bacteria present
amount of bacteria present
In an experiment involving plants, you want to see how changing the amount of fertilizer affects plant height. What would be your dependent variable?
Responses
amount of soil
amount of water,
final plant height
amount of fertilizer
How many independent variables should you have in an experiment?
Responses
0
1
2
unlimited
It depends on the specific experiment and the research question being investigated. However, in general, an experiment should have one independent variable that is manipulated to see its effect on the dependent variable. Therefore, the correct answer is 1.
What is Experiment?
An experiment is a scientific method used to investigate cause-and-effect relationships between variables in a controlled environment. In an experiment, one or more independent variables are manipulated or controlled to observe their effect on a dependent variable, while all other variables are held constant or controlled.
In an experiment, the independent variable is the variable that the researcher manipulates or changes in order to observe its effect on the dependent variable. The dependent variable is the variable that the researcher measures or observes to see how it responds to changes in the independent variable.
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What are three reasons why early hominin fossils are so hard to find? (max 3 sentences)
Answer:
Early hominin fossils are hard to find for several reasons. First, the geological processes of erosion and sedimentation can destroy or bury fossils, making them difficult to access. Second, early hominins likely had low population densities, so the chances of fossilization were relatively small. Finally, the habitats in which early hominins lived, such as forests and savannas, are not conducive to fossil preservation, as the organic materials are quickly decomposed by microorganisms and the elements.
Two reasons why the doctor wants to increase the number of eggs maturing in each ovary ?
This is why a doctor may want to increase the number of eggs maturing in each ovary in certain medical contexts:
In fertility treatments: In certain fertility treatments, such as in vitro fertilization (IVF), a doctor may want to increase the number of eggs maturing in each ovary to increase the chances of success. This can be done through the use of fertility drugs, which can stimulate the ovaries to produce multiple eggs in a single cycle. By harvesting multiple eggs, doctors can increase the number of viable embryos for implantation and increase the chances of pregnancy.
In cases of low ovarian reserve: As women age, the number and quality of eggs in their ovaries naturally decline, leading to a decrease in fertility. In cases where a woman has a low ovarian reserve, meaning she has fewer eggs than normal, a doctor may want to increase the number of eggs maturing in each ovary to improve her chances of conceiving. This can also be achieved through the use of fertility drugs, which can stimulate the ovaries to produce more eggs.
The black-footed ferifet is a highly specialized predator that depends on prairie dogs for survival. Prairie dogs make up more than 90% of the black-
footed ferret's diet, and prairie dog burrows provide ferrets with dens to raise their young, as well as a means to escape from predators and harsh
weather. Ferret habitats largely coincided with the habitats of the black-tailed prairie dog (C. ludovicianus), Gunnison's prairie dog (C. gunnisoni),
and the white-tailed prairie dog (C. leucurus). Despite significant recovery successes over the last decade, the black-footed ferret remains one of
the most endangered animals in the world.
After examining the map and reading the prompt, select the one situation has NOT contributed to the endangered status of black-footed ferret.
A. drastic climatic change due to global warming.
B. increased disease and death among prairie dog populations.
C. continued increase in the human population.
D. habitat destruction of the three prairie dog species.
E. conversion of grassland to agricultural land.
A. The offered prompt does not include global warming's drastic climate change as one of the causes of the black-footed ferret's endangered position.
Prairie dogsThe question does not imply that climate change has contributed to the fall of black-footed ferret populations, despite the fact that it can have detrimental effects on wildlife populations.
A highly specialized predator, the black-footed ferret depends on prairie dogs to survive. Almost 90% of a ferret's diet consists of prairie dogs, and the latter's burrows give ferrets shelters in which to rear their young and shelter from predators and bad weather.
The three species of prairie dogs' habitats are being destroyed, grasslands are being turned into farms, there are more diseases and deaths in the populations of prairie dogs, and the human population is still growing, which makes the black-footed ferret one of the most endangered animals in the world.
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1. In "Bird," which of the following changes does the narrator describe
happening? Choose all that apply.
a.
She grows a beak.
b. Her legs grow shorter.
C. Her bones grow thinner.
d. She breaks out of an egg.
e. Her room becomes a nest.
Explanation:
c her bones grow thinner
in the michael reaction, following the first step in which a bond is made between the nucleophile and alpha-beta unsaturated carbonyl compound, a resonance stabilized intermediate is formed.
Yes, that is correct. In the Michael reaction, the first step involves the nucleophilic addition of a nucleophile, such as an enolate ion or a carbanion, to an alpha-beta unsaturated carbonyl compound, such as an alpha, beta-unsaturated ketone or aldehyde.
This results in the formation of an intermediate known as a Michael adduct, which is resonance-stabilized. The Michael adduct has a conjugated system of pi electrons that is delocalized across the molecule, which contributes to its stability. The Michael adduct can then undergo various transformations, such as elimination, protonation, or addition of another nucleophile, depending on the reaction conditions and the specific functional groups involved. The Michael reaction is an important method for the synthesis of complex organic molecules, and has numerous applications in fields such as pharmaceuticals, materials science, and agrochemicals.
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A downward pointed frontal hairline (widow's peak) in human beings is a heritable
trait. A person with widow's peak always has at least one parent who also has this
trait, whereas persons with a straight frontal hairline may occur in families in which
one or even both parents have widow's peaks. When both parents have a straight
frontal hairline, all children also have a straight hairline. Using W and w to symbo-
lize genes for this trail, what is the genotype of an individual without widow's peak?
The genotype of an individual without a widow's peak could be either WW or Ww.
How do we represent the dominant gene?
If we use W to represent the dominant gene for widow's peak and w for the recessive gene for a straight hairline, then an individual without a widow's peak could have one of two possible genotypes: either WW or Ww.
In the case of WW, both of the individual's genes would be for widow's peak, making them homozygous dominant for the trait. This individual would still not exhibit the trait because the presence of the dominant gene masks the expression of the recessive gene.
In the case of Ww, the individual would be heterozygous for the trait. This means they have one dominant W gene and one recessive w gene. Since the dominant W gene masks the expression of the recessive w gene, this individual would not exhibit the trait of widow's peak, even though they carry one copy of the gene for it.
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Write the anti-codons below that would correspond with the codons in #2. (question #2 in picture)
A codon is complemented by an anticodon. The anticodon for the start codon AUG, for instance, is UAC.
An anti codon is defined.A trinucleotide sequence called an anticodon is found at one end of a transferable RNA (tRNA) molecule and is complementary to something like a withing in an mRNA sequence.
U or T are there in anti codons?Since the rna bases must couple with the characters in both DNA and tRNA, the original DNA sequence and the tRNA anticodons can be found using the mRNA codons. Keep in mind that uracil (U) but not thymine (T) are present in mRNA and tRNA, as well as in DNA.
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1. What term describes a group of galaxies that form together?
Osupergalaxies
Ogalactic clusters
O nebula
O superclusters
A family tree that shows how organisms are related to each other is called
taxonomy.
phylogeny.
comparative anatomy.
binomial nomenclature.
radioactive dating.
Answer: B
Explanation: Phylogeny is the correct answer.
The map shows areas of upwelling. Climate scientists predict that upwelling
may intensify along the western coast of the United States. What effect is
more intense upwelling likely to have on this area?
OA. More starved marine species
OB. More nutrients for photosynthesis
OC. Fewer marine species
OD. Diminished ocean productivity
Because deep water that is forced to the surface is typically nutrient-rich, coastal upwelling encourages the growth in plankton and seaweed. Then, these can be eaten by fish, marine creatures, and birds.
What would be most likely to be discovered in upwelling areas?As just a result of upwelling, nutrient-rich, often cooler water rises to the surface. Surface waters are "fertilised" by these nutrients, which means that they frequently have high biological production. As a result, good fishing spots are usually found wherever upwelling is frequent.
What are upwelling and what do they do?Upwelling describes the upward migration of this deep, cooler water. When there is an upwelling, deeper water that is below the surface rises to the surface. These nutrients "fertilise" surface waters, promoting the development of phytoplankton and other plant life.
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What is the function of the left ventricle? A. It receives deoxygenated blood from the lungs. B. It pumps deoxygenated blood to the lungs via the pulmonary circulation. C. It pumps oxygenated blood around the body via the systemic circulation. D. It receives oxygenated blood from the lungs.
Left ventricle receives oxygenated blood from the lungs. Correct answer is C.
The function of the left ventricle is to pump oxygenated blood around the body via the systemic circulation. The left ventricle is responsible for receiving oxygen-rich blood from the left atrium and pumping it into the aorta, which distributes it to the rest of the body.
This is an important function because the tissues and organs of the body require a constant supply of oxygenated blood to function properly. The left ventricle is the thickest and most muscular chamber of the heart, allowing it to generate the high pressures needed to pump blood out to the body. Option C is correct.
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Briefly discuss psychology as science and it influences in the teaching and learning
It teaches and examines essential principles of human behavior that can shape learning. Psychology also helps teachers use measurements and assessments correctly, to better gauge where students are in their learning
Answer:
Psychology is a scientific study of the mind and behavior. In the context of teaching and learning, psychology has several important influences. One key area is educational psychology, which focuses on how students learn and how to improve teaching methods. Psychology also plays a role in the development of educational technology, such as computer-based learning programs or online courses. Another area where psychology has an impact on teaching and learning is in the area of mental health. Teachers and educators play an important role in identifying and addressing mental health issues in students. Overall, the scientific study of psychology provides valuable insights into how people learn and how to create effective learning environments, which can improve student outcomes and support the success of their students.
Explanation:
Psychology is the scientific study of the mind and behavior. As a science, psychology uses empirical methods to gather and analyze data in order to better understand human behavior and mental processes.
In the context of teaching and learning, psychology has several important influences. One key area is educational psychology, which focuses on how students learn and how to improve teaching methods. Educational psychologists study topics such as motivation, memory, and learning styles to help teachers better understand their students and create more effective learning environments.
Psychology also plays a role in the development of educational technology, such as computer-based learning programs or online courses. By understanding how students learn and process information, educational psychologists can create technology-based learning tools that are more engaging and effective.
Another area where psychology has an impact on teaching and learning is in the area of mental health. Teachers and educators play an important role in identifying and addressing mental health issues in students. Understanding the principles of abnormal psychology and developmental psychology can help teachers identify signs of mental health issues and provide appropriate support and interventions for their students.
Overall, the scientific study of psychology provides valuable insights into how people learn and how to create effective learning environments. By applying these principles to teaching and learning, educators can improve student outcomes and support the success of their students.
population remain constant through enormous fertility give reason
How do you calculate the adjusted amount of energy that is availa
net primary productivity plus gross primary productivity
gross primary productivity minus amount of organic mat
O gross primary productivity minus net primary productivity
Onet primary productivity plus amount of organic material
The gross primary productivity less the amount of organic material utilised for respiration equals the amount of energy that is accessible to organisms above producers (Option D).
What in an ecosystem is GPP?The rate at which solar energy is absorbed per unit area in a unit time during photosynthesis is known as gross primary productivity (GPP). The NPP is computed by subtracting metabolic functions including respiration, growth, and maintenance from GPP since some of the energy collected is used in these activities.
The pace at which all plants in an ecosystem create net usable chemical energy is known as net primary productivity (NPP). Gross primary productivity (GPP) measures how much biomass is saved and collected by primary producers for energy conservation.
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______ energy is always available and there is a tremendous amount. The challenge is collecting it, concentrating it, and distributing it.
There is a ton of solar energy and it is always accessible so in the shape of electromagnetic radiation, which consists of visible light, infrared radiation, and ultraviolet radiation, the sun continuously releases a vast quantity of energy.
Solar arrays and concentrated solar power devices can be used to collect this energy and turn it into electricity. The difficulty with solar energy, however, is in effectively gathering, focusing, and dispersing the energy from the sun to areas that need it.
Despite these difficulties, solar energy is still a hopeful and long-lasting renewable energy source with the ability to completely transform our current energy infrastructure.
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When trying to reach an important decision, Carrie's group took a vote with the most votes winning. They made a decision by
A) authority.
B) majority rule.
C) consensus.
D) power.
Carrie's group took a vote with the most votes winning.They made a decision by majority rule.
B is the correct answer.
Leading advocate for the Nineteenth Amendment to the US Constitution, which granted women the right to vote in the country in 1920, was Carrie Chapman Catt.
She used communication and press skillfully, creating organised campaigns and a highly effective machine. Catt thought that women had a natural right to engage in politics on an equal footing with males.
During her time in office, she developed the "Winning Plan," which brought state suffrage efforts and the movement for the 19th Amendment together. According to Catt's strategy, suffragists should concentrate only on securing voting rights and passing an amendment. She thought that the key to success was having a clear statement.
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Essay on antibiotic and the different ways in which they can destroy pathogens
Antibiotics are potent medications used to treat bacterial infections. They work by targeting and destroying the harmful bacteria that cause infections, while leaving the beneficial bacteria in the body unharmed.
What are the various ways through which antibiotics can destroy pathogens?There are several different ways in which antibiotics can destroy pathogens, including:
Inhibition of cell wall synthesis: Many antibiotics, such as penicillin, target the cell walls of bacteria. They do this by blocking the enzymes that are responsible for synthesizing the cell wall, which weakens the wall and makes the bacteria more susceptible to damage.
Inhibition of protein synthesis: Antibiotics such as tetracycline and erythromycin work by blocking the process of protein synthesis in bacteria. This prevents the bacteria from producing the proteins necessary for their survival and reproduction, ultimately leading to their destruction.
Inhibition of nucleic acid synthesis: Certain antibiotics, such as quinolones and rifampin, inhibit the synthesis of nucleic acids in bacteria. This prevents the bacteria from replicating their DNA and RNA, which eventually leads to their death.
Interference with cell membrane structure and function: Some antibiotics, such as polymyxins, disrupt the structure and function of the bacterial cell membrane. This can lead to leakage of cellular contents and ultimately to the death of the bacteria.
Competitive inhibition: This type of antibiotic works by competing with a specific metabolic process or enzyme that the bacteria need for survival. This inhibits the growth and reproduction of the bacteria, ultimately leading to their destruction.
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Which of the following resulted in an increase in tidal volume above the normal value?
a. emphysema
b. moderate exercise, acute asthma attack plus inhaler and emphysema
c. acute asthma attack plus inhaler
d. moderate exercise
Moderate exercise will result in an increase in tidal volume above the normal value.
D is the correct answer.
The number of lung volume receptors and other receptors in the respiratory control centre increase during physical exercise, leading to a higher ventilation rate. As a result, both the tidal volume and the breathing rate rise during exercise.
There is a slight increase in vital capacity, which allows for the inspiration of more air, as well as a slight increase in tidal volume, which allows for the inhalation of additional oxygen into the lungs. Minute Volume, or the volume of air inspired or exhaled every minute, will also rise.
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Chronic hepatitis C may lead to which of the following? Check all that apply.
Answer: Chronic hepatitis C can be a serious disease resulting in long-term health problems, including liver damage, liver failure, cirrhosis, liver cancer, and even death
Explanation:
Hepatitis C is an inflammation of the liver caused by the hepatitis C virus. The virus can cause both acute and chronic hepatitis, ranging in severity from a mild illness to a serious, lifelong illness including liver cirrhosis, diseases, and cancer.
-melting
-boiling
-Energy is absorbed
-energy is released
-freezing
-Increasing the temperture
-total ammount of energy in an isoalted system does not change
-Study of Heat and Energy
-Energy can change forces from one type to another
-condensation
-decreasing the temperture
-Energy Cannot be Created or Destroyed
- Joule
-Calorie
a. 1st Law of Thermodynamics
b. +q
c. -q
d. Unit of Energy
e. Thermodynamics
List any five steps that you would take when earthquake occurs when you your school. 11/1
Answer: Answer is below <3
Explanation:
1. Get under the desks. If your not under a table or under something that’s sturdy, something might fall on top of you and damage something really bad.
2. Cover your head. What ever you do, you DO NOT want your head to be hit in an earthquake, it could lead to a concussion or even death.
3. Grab onto something. If you don’t grab onto something to keep yourself in place, you might just slide around and bump into stuff. Maybe even knocking stuff over onto your head. So, be sure to grab on.
4. Stay away from anything that’s heavy and that can fall on you. If you’re not away from let’s say.. a bookshelf it could easily fall on you and possibly kill you.
5. Don’t panic. Thankfully, earthquakes don’t last too long so just try your best to stay safe and away from any falling bookshelves or anything else heavy.