Your requirement for electricity decreases as your home's energy efficiency rises, reducing your dependence on carbon-intensive power plants, and reducing the number of greenhouse gases emitted into the atmosphere, hence option 4 is correct.
How does electricity affect the greenhouse?This lowers the plant's demand from your house, which helps the environment by lowering carbon dioxide emissions and lessening atmospheric emissions of greenhouse gases.
This rise is the result of the air's carbon and oxygen being combined to create CO2 during the burning of coal or oil.
Therefore, greenhouse gas concentrations have increased due to human activity, hence option 4 is correct.
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Question 39 (1 point)
Experiments with cattle have demonstrated that
a) they remember how humans have treated them
b) they can identify and remember individual human handlers
c) gentle treatment by humans makes them less fearful of humans
d) all choices are correct
Answer:
The correct answer is - d) all choices are correct.
Explanation:
Cattles remember the behaviour of human how they have treated them in the experiment and they also become less fearful of their handlers due to their gentle treatment.
Cattles develop memory and have a bond with their handlers and remember them and recognize them very well. In this experiment, it is found that animals also create an emotional bond with the human treat them well and gentle.
Qué tipos de lípidos forman parte de la membrana celular?
Answer:
Hay tres clases principales de moléculas de lípidos de membrana: fosfolípidos, colesterol y glicolípidos. Las composiciones de lípidos de las monocapas internas y externas son diferentes, lo que refleja las diferentes funciones de las dos caras de una membrana celular.
Explanation:
Which type of environment would tend to reduce genetic variation in a population because of evolution
(1 point)
O an ocean ecosystem that is becoming more acidic
O a tropical rainforest that is being deforested for farmland
O grasslands that are undergoing severe drought
O an old growth forest with trees that are over 1,500 years old
Answer:
The old growth forest with trees that are over 1,500 years old
Explanation:
I trusted the comment and it was right
When the eye ball is too long it produces ____.
a.
nearsightedness
b.
farsightedness
c.
rods
d.
cones
Please select the best answer from the choices pro
Answer:
A. Nearsightedness
Explanation:
Nearsightedness usually occurs when your eyeball is longer than normal or your cornea is curved too steeply. Instead of being focused precisely on your retina, light is focused in front of your retina, resulting in a blurry appearance
Cuál es el órgano más grande del cuerpo humano
Answer:
Explanation:
La piel
Answer:
The skin is often known as the largest organ of the human body. This applies to the exterior surface, as it covers the body, appearing to have the largest surface area of all the organs. Moreover, it applies to weight, as it weighs more than any single internal organ, accounting for about 15 percent of body weight.
Explanation:
How is rose black spots treated?
Answer:
Unless you treat with a highly effective product such as Daconil® fungicide, black spot can move through your garden — and it won't stop at roses. Begin active treatments with Daconil® fungicide at the very first sign of disease to stop black spot and limit its damage.
You identify an auxotroph that doesn't grow in normal medium, but does grow in medium supplemented with Q, indicating that it has a defect in one or more enzymes in this pathway. This auxotroph is also able to grow if you supplement the medium with Y. Based on this, which enzymes can you say with certainty is/are disrupted by the mutation
Answer: Enzymes in both Q and Y pathway are disrupted because you have to supplement the medium with those components for the organism to grow.
Explanation:
A microorganism is auxotrophic when it is only able to proliferate in a culture medium if some specific substance has been added to it, which the wild type (prototroph) does not require, because it can synthezise it. The underlying genetics of auxotrophy is the lack of a functional metabolic pathway that generates the substance on which the auxotroph depends. This lack is usually due to a mutation that generates a null allele lacking biological capacity. So, due to a deficiency in an enzyme required for the synthesis of a certain component, the organism requires that component in the culture medium in order to grow.
A metabolic pathway is a set of consecutive chemical reactions catalyzed by enzymes synthesized by the cell, in which the product of one is the substrate of another. In living organisms there are multiple metabolic pathways, responsible for synthesizing and metabolizing compounds (cellular components, regulatory molecules, compounds that serve to store energy), or degrading them to obtain energy. Thus, enzymes catalyze chemical reactions, this means they accelerate the rate of reaction.
A normal medium is one that possesses all the nutrients and compounds necessary for the proper functioning of a normal organism (prototroph). However, if the organism lacks, for example, an enzyme, it will not grow in a normal medium because it does not have the enzyme to make the components. If the organism does not grow in the normal environment, then it has some mutation that causes some enzyme not to be produced. Remember that enzymes are proteins, and all proteins are encoded by DNA, so if there is a mutation in the DNA, in the gene that encodes the enzyme, the enzyme will not be synthesized or will be synthesized but in such a way that it cannot function properly.
If the organisms only grow in medium supplemented with Q and in medium supplemented with Y, then this indicates that it has a defect in one or more enzymes in Q and Y pathway, because the organism cannot produce certain components and they need to be added in the environment. The problem does not provide enough information to know if for each pathway only one enzyme is affected or several, but it is enough to say that enzymes in both Q and Y pathway are disrupted because you have to supplement the medium with those components for the organism to grow.
PLZ HURRY GOT A COUPLE MINS
Answer:
second one
Explanation:
A plant with purple flowers and a plant with white flowers are crossed. Purple flowers are dominant. What are the possible genotypes for each parent?
Answer:
Purple flower - PP or Pp
White flower - pp
Ocean currents have a direct effect on climate by an interaction of which systems? (1 point)
O hydrosphere and atmosphere
O geosphere and biosphere
O geosphere and atmosphere
O biosphere and atmosphere
Ocean currents have a direct effect on climate by an interaction of ' geosphere and atmosphere'.
What is the atmosphere?
The atmosphere is basically the layer of gases surrounding the Earth. It is composed of nitrogen (78%), oxygen (21%), and trace amounts of other gases, such as argon, carbon dioxide, and water vapor. The atmosphere protects us from the sun's harmful ultraviolet radiation, helps keep temperatures moderate, and creates the weather patterns that make life possible.
Ocean currents act as a bridge between the atmosphere and the geosphere, transferring heat, moisture, and momentum between the two. This helps to regulate the global climate by moving warm water from the equator to higher latitudes and vice versa. This in turn affects air masses, cloud formation, and precipitation patterns, which can have a great impact on the climate. For example, warm ocean currents can strengthen cyclones, while cold currents can help prevent them. In addition, ocean currents can influence the rate at which heat is absorbed and released into the atmosphere, which can lead to extreme weather events like heat waves and droughts.
Hence, Option C is correct.
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Answer:
A) Hydrosphere and atmosphere
Explanation:
Took the quick check :)
Which type of weather is usually associated with a cumulus cloud? Please help me
Answer:
Fair
Explanation:
I agree with your answer.
What happens during transcription ?1.) DNA is used as a template to make messenger RNA 2.)RNA is used as a template to make messenger DNA 3.) 2 exact copies of double stranded DNA are made
Answer:
2 exact copies of double stranded DNA are made
Explanation:
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Which of the following is NOT a lobe of the cerebrum?
parietal
cerebellum
occipital
frontal
Answer:
Cerebellum
Explanation:
what are hebivorus plants?
Herbivorous plants are plants that obtain their nutrients by consuming animals or animal products, rather than by photosynthesis. These plants can be divided into three main categories: carnivorous plants, which capture and digest insects and other small animals; omnivorous plants, which obtain nutrients from both animal and plant material; and parasites, which obtain nutrients by attaching themselves to a host plant or animal and extracting nutrients from it. Some examples of herbivorous plants include Venus flytraps, pitcher plants, and the Western Australian Christmas tree
Which of the following are decomposers of an aquatic ecosystem?
A: sunlight and salt content
B: bacteria and fungi
C: aquatic plants and algae
D: sharks and eels
Aquatic plants and algae are the decomposers of an aquatic ecosystem.
Hope it helps you...
Please mark brainliest if it helps you...
Answered by Benjemin
Bacteria and Fungi are decomposers of an aquatic ecosystem. So, the correct option is (B).
What are Decomposers?Decomposers are defined as organisms that break down dead or decaying organisms that undergo decomposition, a process possible only by certain kingdoms such as fungi.
Many decomposers are microscopic organisms, including protozoa and bacteria, while other decomposers are large enough to be seen without a microscope, including invertebrates as well as fungi, sometimes called detritivores, which include earthworms, Includes termites and millipedes.
In an aquatic ecosystem, producers are small plants like pistia which are consumed by primary consumers like aquatic insects, snails etc. where as primary consumers are consumed by secondary consumers like small fishes, frogs. The heron is a tertiary consumer that eats small fish and frogs. Bacteria and fungi are the decomposers in this ecosystem.
Thus, Bacteria and Fungi are decomposers of an aquatic ecosystem. So, the correct option is (B).
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Fan is electircal energy
Lamp's orignal energy source is electrical energy.
what are body organs?
Answer:
Anything the body needs to function or perform certain functions to maintain i.e being the large and small intestines, the heart, the liver, and your kidneys
Explanation:
NOTICED A DEFINITION NEEDED FIXED ANSWER HOPE HELPED )
Unlike reptiles and amphibians, birds generate their own body heat, what does this mean for birds?
Answer:
Birds can keep themselves warn without any external heat source which is not the case with reptiles and amphibians
Explanation:
Birds are able to generate heat means they are endothermic. They generate heat through various metabolic processes. They have air pockets beneath their feathers to insulate their bodies during cold temperatures. Feathers which are modified reptilian scales help birds to streamline their exterior body and structure feathers in a way that it insulates the body.
Certain glutamine analogs irreversibly inactivate enzymes that bind glutamine. Identify the nucleotide biosynthetic intermediates (and the enzymes that catalyze the reactions that utilize them) that accumulate in the presence of those compounds. For a given pathway, list your answers in the order of the reactions involved.
Answer:
5-phosphoribosyl-1-pyrophosphate to accumulate, PRPP will accumulate due to the inactivation of the enzyme glutamine-PRPP amidotransferase
Formylglycinamide ribonucleotide (FGAR) will accumulate due to inactivation of the enzyme formylglycinamide ribonucleotide amino transferase.
Xanthylate (XMP) will accumulates because of the inactivation of the GMP synthetase reaction.
Uridine 5'triphosphate (UTP), a nucleotide biosynthetic product as well as an intermediatein the synthesis ofCytidine 5'triphosphate will accumulate due to the inactivation of cytidylate synthetase.
Explanation:
The biosynthesis of nucleotides occurs by means of two pathways: the de novo pathways and the salvage pathways.
The de novo pathways of the synthesis of nucleotides begins with their metabolic precursors which include amino acids, ribose-5-phosphate, carbon (iv) oxide and ammonia.
The salvage pathways reuse the free bases and nucleotides from the breakdown of nucleic acids.
Glutamine analogs that irreversibly inactivate enzymes that bind glutamine will cause accumulation of intermediates in the nucleotide biosynthetic pathways.
Glutamine is used as the amino group donor in the first committed step of de novo synthesis of purine nucleotides. In this step, 5-phosphoribosyl-1-pyrophosphate, (PRPP) is converted to 5-phosphoribosylamine using the amino group of glutamine by the enzyme glutamine-PRPP amidotransferase. Inactivation of this enzyme will cause 5-phosphoribosyl-1-pyrophosphate to accumulate.
In the fourth step of the de novo synthesis of purine nucleotides, inactivation of the enzyme formylglycinamide ribonucleotide amino transferase will cause formylglycinamide ribonucleotide (FGAR) to accumulate.
In the biosynthesis of guanylate from Inosinate, the intermediate xanthylate (XMP) will accumulate due to inactivation of the enzyme xanthylate-glutamine amidotransferase.
In the de novo synthesis of pyrimidine nucleotides, Uridine 5'triphosphate (UTP), a nucleotide biosynthetic oroduct as well as an intermediate of Cytidine 5'triphosphate will accumulate due to the inactivation of cytidylate synthetase.
Carbamoyl phosphate is synthesized by the enzyme carbamoyl phosphate synthetase II using glutamine and bicarbonate and two ATP molecules. However, the other substrates of this enzyme do not accumulate.
indicate if the following statements are True or False regarding features of Pterophytes.
1. Ferns, horsetails, and whisk ferns produce archegonia and antheridia.
2. The sperm of whisk ferns and horsetails have flagella but fern sperm lack flagella.
3. The non-photosynthetic leaves of horsetails are called fronds.
4. Ferns produce sporangia in structures called sori.
5. Ferns and horsetails have roots, but whisk ferns have lost this trait since diverging from other Pterophyte lineages.
DNA Sequence CCT CTT TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC
Create an mRNA sequence from the above DNA sequence
mRNA sequences: UGG AGA AAU GUG UGC CUC CCA UGC GAU AAG AUG UGC CAA CGC GUA UUA GUA AUA CUA AUG UGC
What function does mRNA serve in the Covid vaccine?Your cells learn how to produce duplicates of the spike protein from the mRNA in the vaccination. If you later come into contact with the actual virus, your body will be able to detect it and fight it off. The instructions are sent by the mRNA, which is then degraded and eliminated by your cells.
mRNA vaccines: are they better?Many scientists believe that the large amounts of virus-blocking antibodies, known as neutralizing antibodies (nAbs), that the mRNA vaccines produce explain why they are so effective at preventing infection.
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what are the main biome elephants are found, an ecosystem and four other types of biomes.
Answer:
Elephants are mainly found in savanna biomes, grassland ecosystems, tropical rainforest biomes, desert biomes, tundra biomes, and temperate deciduous forest biomes.
Explanation:
Some adaptations are helpful in one environment,but would be harmful in other environments .complete the table below with 5 more adaptations.
Adaptations are changes that a species makes in order to better survive in its environment.
What do you mean by environment?
Environment is the natural world and all of the living creatures in it. It includes the air, land, water, plants, and animals. It also includes the physical, chemical, and biological processes that occur in and around these elements. Humans are also part of this environment and have an impact on it.
adaptation helpful environment harmful environment
thick fur cold, arctic environment hot environment
webbed feet swimming in water running on land
sharp claws climbing trees open fields
long neck reaching food in tall trees small, enclosed spaces
long legs savanna environment deep water environment
horns defense and protection in fights tight spaces
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Which of these is measured during a scientific investigation? Group of answer choices Control group Test variable (independent variable) Outcome variable (dependent variable)
Answer:
Outcome variable (dependent variable)
Explanation:
In a scientific investigation, a DEPENDENT VARIABLE (also known as outcome variable) is the variable that is being measured. The dependent variable, as the name implies, responds to the changes made to the independent variable.
For example, in an experiment where the effects of different concentration of fertilizer is used to test plant growth (height), the HEIGHT OF THE PLANTS is the dependent variable because it is the variable being measured.
5. What was Darwin's theory of evolution?
Answer:
Natural selection or "survival of the fittest"
Explanation:
Creatures that adapt to survive changes will live to reproduce, while the creatures that do not adapt will die out.
Darwin states that evolution happens to natural selection, which is the concept that creatures tend to adapt to their environment.
Unlike other sharks, the whale shark doesn't eat fish or other sharks. What does the whale
shark eat?
Answer:
plankton including copepods, krill, fish eggs, Christmas Island red crab larvae and small nektonic life, such as small squid or fish.
6. Use your understanding of the Big Idea to explain which cell below converts the most food into energy and why. Justify your answer
Answer:
The plant cell converts the most food into energy because it contains chloroplasts, which are organelles that are responsible for photosynthesis. Photosynthesis is the process in which plants use light energy from the sun to convert carbon dioxide and water into glucose. This glucose is then used as an energy source for the cell. The other cells do not contain chloroplasts and therefore cannot conduct photosynthesis, so they are not able to convert as much food into energy.
Explanation:
help me pls and i will make a branliest to the one that gets them all right
3 Answer:
Electromagnetic energy is associated with
a. chemical reactions
b. the nuclei of atoms.
c. the motion of electric charges.
d. motion.
4 Answer:
Heat energy is associated with
a. position or shape.
b. holding together the nuclei of atoms.
c. the internal motion of particles of matter.
d. motion.
5 Answer:
Chemical energy is
a. energy that bounds atoms or ions together.
b. contained in the nuclei of atoms.
c. a result of the motion of electric charges.
d. a result of the internal motion of particles of matter.
6 Answer:
Nuclear energy is
a. energy that bonds atoms or ions together.
b. contained in the nuclei of atoms.
c. a result of the motion of electric charges.
d. a result of the internal motion of particles of matter.
7 Answer:
An example of stored chemical energy is
a. gasoline in an automobile.
b. an electric motor.
c. the sun's energy.
d. light.
8 Answer:
An object's kinetic energy varies with its
a. mass and volume.
b. mass and weight.
c. volume and velocity.
d. mass and velocity.
9 Answer:
Which of the following is "not" an example of an object with
potential energy?
a. car battery
b. diver prepared to jump off a diving board
c. wrecking ball
d. moving baseball
10 Answer:
The factor that has the greatest effect on kinetic energy is
a. mass.
b. weight.
c. velocity.
d. density.
Answer: 3 is C
4 is C
5 is A
6 is B
7 is B
8 is B
9 is D
10 is C
Explanation:
Which of the following is not part of a flower?
a. petal
b. root
C. stamen
d. anther
The correct answer is Option (B) - Root.
It is because roots are the organs of a plant that grows downward into the soil and their primary function is to provide nutrients and take in water through the soil for the faster growth and development of the plant body. Roots are the base of a plant and provide a strong base for the plant above to sustain.
Whereas, Petals, Stamen, and Anther constitute the body of a flower. Petals are the colored parts, and Stamen consists of both Filament and Anther.
Therefore, roots do not bear leaves and are not a part of the body of a flower.
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Genetics have observed that fruit flies that commonly inherit vestigial wing’s also lobed eyes. Observations such as this have helped to develop the genetic concept known as?