Answer:
Sorry, all I know is it's not C
Explanation:
Maybe A but, I am just guessing at this point because I need help on this question too.
what is proteins basic formula? like with the numbers and stuff
PLEASE HELP!!!!!!! 50 POINTS!!!!
Answer:
MAJOR SPERES 1. SPERE INTERACTION 2. AND THE OTHER ONE 3.!!!!!!!!!!!!!!!!!!!
Explanation:
NO G00GLE PLEASE <3
Define cell
Answer:
Cell is the fundamental intergral unit of life. It give rise to an organism, it's specialization allows complex or simple functions to occur within a body of an organism.
i think its its either C or D but i don't know correct me if I'm wrong.
A swimmer dives underwater and needs to swim a long distance while holding her breath. This prevents her body from getting oxygen.
What is most likely to occur in her cells so that glycolysis can continue to produce ATP?
a) cellular respiration
b) alcohol synthesis
c) lactic acid fermentation
d) alcohol fermentation
Answer:
C is the correct option.
Explanation:
Cells in the body continue to produce ATP in absence of oxygen.
Lactic acid fermentation is most likely to occur in the swimmer's cells so that the process of glycolysis can continue to produce ATP. Thus, the correct option is C.
What is Lactic acid fermentation?
Lactic acid fermentation is a metabolic process in which glucose or other six-carbon sugars are converted into cellular energy (ATP) and the metabolite lactic acid. It is an anaerobic fermentation reaction which occurs in some bacteria and animal cells, such as muscle cells and in absence of oxygen molecule.
Lactic acid fermentation happens in the skeletal muscles. In this process, pyruvate is converted to lactic acid by the lactate dehydrogenase enzyme when oxygen is inadequate. Fatigue is brought on by the formation of lactic acid which buildup in the muscles.
Therefore, the correct option is C.
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how many chromosomes will be found in each cell during prophase?
Answer:
in a human 46 chromatids form 23 chromosomes
Explanation:
what type of circulatory system do earthworms have?
Answer:
a closed circulatory system.
Explanation:
an earthworm circulates blood exclusively through vessels.
Answer:
Closed circulatory system.
Which of the following statements best describes a benefit of sexual reproduction?
It creates many offspring in a short amount of time.
A
B
It prevents mutations from being passed on to offspring.
С
It results in diversity of the species that enhances the probability of survival.
D
It ensures the offspring will receive only the best traits from each of the parents.
Among the listed options, we can conclude that option C which states that "It results in the diversity of the species that enhances the probability of survival." is correct.
Sexual reproduction offers organisms an advantage over those who undergo Asexual reproduction. Though there are benefits and drawbacks to each method, Sexual reproduction is a method that is better adapted to a changing environment and promotes the faster evolution of a species.
The main benefit of sexual reproduction is that it allows for a greater diversity of the species which enhances the probability of survival. This is due to the fact that sexual reproduction leads to varying combinations of alleles for specific traits, which coupled with selective reproduction (the ability of a member of the species to choose a spouse with desirable traits) leads to offspring who over time are increasingly better adapted to life in the given environment, with specific traits tailored for survival.
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Students construct a graphic organizer to illustrate the different levels of biological organization.
Organ → Organ system → X → Population → Community
Which term does the letter X represent in the graphic organizer?
A) Cell
B) Organism
C} Ecosystem
D) Biosphere
Answer:
B--Organism
Explanation:
Different levels of biological organization start from the least complex object and end at the most complex. Every object has objects preceding it that it is made up of.
In this question, the organ system is made up of several organs. A community is made up of several populations of different people. Think about this now: what makes up a population and is made up of organ systems? The most logical answer here according to the flow is B--an organism. An organism is made up of organ systems and makes up a population, which in turn allows several populations to make up a community.
Various levels of biological association begin from the smallest complicated entity and end at the most intricate is called biological organization. Every entity has things preceding it that it is composed of.
The organism is the letter X represent in the graphic organizer.
What is the biological organization?A certain level of the organization is established in the biological living beings and communities. The level of the organization starts from the most simple and the uncomplicated entity to the more complex beings and associations.The organ in this illustration is the small and complicated entity that links and forms the organ systems. Different organs make up the organs system like the esophagus, stomach, intestine makes up the digestive system.Various organs system combines in a body to form an organism like reproductive, circulatory, digestive etc. organs system make the organism as a whole.Various organism combines and interacts with each other to form a population of the same species in a defined area.A population of various species combines to form a community that lives together depending on each other for factors like food, shelter, water, nutrients etc.Therefore, option B is correct.
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whether a synapse is excitatory or inhibitory is determined by the
Are Dolphins social animals?
What are similarities and differences with other mammals
Any other interesting facts are welcome
Answer:
yes
Explanation:
yes twwnt y minutes long dolpin exercise tuna disg
Answer:
Yes
Explanation:
Dolphins are highly sociable mammals that establish close links with other individuals of the same species and even with dolphins of other species sometimes.
Similarities is that they live in water and they are Viviparous (animals that are born out of the womb)
Like every mammal, dolphins are warm blooded.
Unlike fish, who breathe through gills, dolphins breathe air using lungs.
the ________ is shared by the respiratory and digestive systems.
Answer:
oropharynx
Explanation:
13. Which muscle allows you to flex your big toe?
Answer:
Flexor hallucis longus
Explanation:
This muscle lies deep inside your leg. It runs down the lower leg all the way to the big toe. It helps you flex your big toe so that you can walk and hold yourself upright while on your tiptoes.
what is the creatinine level for stage 3 kidney disease
Explanation: Stage three: For Kidney disease patients whose serum creatinine level is in the range 178-442 umol/L, their GFR usually fluctuates in the range 30-59ml/min/1.73m2 which means kidney function has a moderate decrease.
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Which example is an internal stimulus? help plz
For example one of the internal stimuli is hunger which is the sign of low energy in the body. It stimulates us to eat something to regain the needed energy. Blood Pressure: Blood pressure is an internal stimulus of mammals that is measured by receptors in arteries.
Answer:
Thirst, Anyone who has ate contaminated food are examples.
Explanation:
Internal stimulus is the change That happens inside the body.An example of an internal stimulus for a Lion is hunger.Which type of soil makes it MOST
difficult for plants to thrive and
decompose organic material?
Explanation:
Poorly drained soils tend to have a high percentage of organic matter because low oxygen levels limit decomposition organisms.
List 4 examples of limiting factors described in the reading and label each if it would be considered an abiotic or biotic limiting factor.
Answer:
Explanation:food, water, habitat, and mate.
Limiting factors can be either abiotic or biotic. Examples: Abiotic → water, pH, radiation, salinity. Biotic → predation, competition, parasitism.
What are biotic and abiotic factors?The ecosystem is composed of living and non-living elements that interact and depend on each other. These are the biotic and abiotic factors.
• Abiotic factors are physical and chemical components of the ecosystem. These are the non-living elements.
• Biotic factors are all the living components in the ecosystem.
Biotic and abiotic factors influence the survival and reproduction of living beings.
What are the limiting factors?Limiting factors are environmental conditions that act directly on populations and individuals, limiting their distribution and growth.
These factors might be either biotic or abiotic and affect natality and mortality rate, migration, etcetera.
Limiting factors might be a result of the population density or might be dense-independent.
When talking about dense-independent limiting factors we are referring to
abiotic factors, such as temperature, pH, salinity, humidity, radiation, etcetera.natural disasters like fires, volcanic eruptions, flooding, etceterahuman impactWhen talking about dense-dependent limiting factors we are referring to biotic factors and the interactions established between species that control other species' growth.
These are, for instance,
competition, parasitism, and predation
Each species carries out a different role in these interactions.
These relationships and the results are what determine the destiny of the populations and their size.
Now, since I do not have the text, I will suggest a few examples of limiting factors. Take a look at them and then look for some other examples in your reading.
Limiting biotic factors:
predatorcompetitorparasitesLimiting abiotic factors:
waterpHradiationsalinityFollowing this framework, you should look in your reading which limiting factors are described.
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Describe the importance of buffers in solutions in allowing the process shown above to
take place.
Buffers are solutions that help maintain a relatively stable pH level when an acid or base is added to them. They play a crucial role in various biological, chemical, and industrial processes.
1. **Maintaining pH Stability:** Many chemical reactions, especially those involving biological systems, are highly sensitive to changes in pH. Buffers prevent drastic shifts in pH by absorbing or releasing hydrogen ions (H+) in response to the addition of acids or bases. This stability is vital for maintaining the proper functioning of enzymes, cellular processes, and other biochemical reactions.
2. **Biological Systems:** Living organisms have specific pH ranges at which their metabolic processes function optimally. Buffers in bodily fluids like blood help maintain these pH ranges, ensuring that cellular processes, enzyme activities, and other physiological functions occur correctly.
3. **Chemical Reactions:** In many chemical reactions, the rate and outcome are influenced by the pH of the solution. Buffers ensure that the pH remains within a certain range, allowing reactions to proceed at the desired rate and producing the intended products.
4. **Laboratory Settings:** Buffers are essential in laboratory settings where accurate and controlled pH conditions are required. Researchers use buffers to create stable environments for conducting experiments, ensuring that the conditions mimic natural or desired circumstances.
5. **Industrial Processes:** Buffers are used in various industrial processes, such as in the manufacture of pharmaceuticals, food products, and chemicals. They help maintain consistent reaction conditions, enhance yield, and prevent unwanted side reactions.
6. **Environmental Impact:** In some cases, buffers can help mitigate the environmental impact of chemical processes. By maintaining a stable pH in waste streams, buffers can prevent the release of harmful byproducts or mitigate the impact of acidic or alkaline effluents on ecosystems.
7. **Quality Control:** Buffers are important in quality control processes, especially in industries where accurate pH measurements are crucial. For example, in the production of electronics or semiconductors, precise pH control is essential to ensure product reliability.
8. **Drug Formulation:** Buffers play a role in drug formulation to stabilize the pH of pharmaceutical products. This ensures that drugs remain effective and safe throughout their shelf life.
In summary, buffers are critical in maintaining pH stability, which is essential for the proper functioning of biological systems, chemical reactions, and industrial processes. They allow processes to take place under controlled conditions and prevent pH-related disruptions that could otherwise negatively impact the outcome of these processes.
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what do you think would happen to a population of bacteria in a petri dish over time in ideal condition?
Answer:
the bacteria would continue to grow untill the agar is completly corroded as the bacteria eats away at it, after the agar is consumed the bacteria would die away as it doesnt have the sufficient nutrients to live
Explanation:
A person who is exercising vigorously breathes more deeply and rapidly than someone who is resting. Give TWO reasons why this is necessary.
During physical exercise, more oxygen is used up and more carbon dioxide is produced leading to faster and deeper breathing.
Physical exercise is a state in which the muscles are flexed much vigorously leading to a faster heartbeat owing to a quicker rate of pumping of the blood by the heart.
There are two main reasons why a person engaging in physical exercise tends to breathe faster and more deeply;
The muscles tend to work harder during physical exercise hence more carbon dioxide is produced.The body uses up oxygen more quickly leading to a greater demand for oxygen and thus a faster and heavier breathing rate results.Learn more about physical exercise: https://brainly.com/question/1080637
If a cell crossed over one time during Prophase I of Meiosis, how
many genetically distinct gametes would be produced?
Answer:
If crossing over doesn’t occur, then 2 out of the 4 daughter cells would be identical.
We have 46 chromosomes and are diploid meaning we got 1 set (23 chromosomes) from our mom and 1 set (23 chromosomes) from our dad.
In prophase 1, homologous chromosomes associate (chromosome #1 from dad and chromosome #1 from mom. They both code for the same things, but they are NOT identical)
Let’s compare mitosis to meiosis
On the left, see how in mitosis all chromosomes (even homologous) line up in single file (imagine all 46 lining up individually). When anaphase splits the sister chromatids (which are identical) in mitosis, each daughter cell gets the exact same genetic info.
(they get both homologous chromosomes: 1 from dad (yellow)and 1 from mom (purple) resulting in a full diploid set)
On the right in meiosis, see how the homologous chromosomes associate and will split? Chromosome #1 from mom (purple) is going to the left daughter cell while chromosome #1 from dad (yellow) is going to the right daughter cell. This means the two daughter cells will only have 1 set for chromosome #1 (either moms or dads but NOT both) and become haploid (1 set of 23 chromosomes)
Again in mitosis, all 46 lined up individually, but in meiosis the 23 from mom and 23 from dad first associate and each orient to decide which daughter cell gets the dads chromosome or the moms chromosome. They assort independently meaning just because dads chromosome #1 went to the left DOESN’T mean that dads chromosome #2 or #3 will go to the left. This gives a unique pattern of 23 chromosomes for the 2 daughter cells of meiosis 1 (a various mixture of moms and dads, but it is possible to result in a daughter cell with just moms and just dads set, though this would be a very small probability like 1 in 2^23 )
So each daughter cell of meiosis 1 is a haploid set (only 1 set instead of 2) and the opposite of the other (since 1 has fathers while the other has mothers for the same chromosome)
Meiosis 2 is just like mitosis. Here the sister chromatids separate producing 2 identical daughter cells
(identical if crossing over doesn’t occur. Crossing over only occurs on adjacent homologous chromatids)
If crossing over doesn’t occur then both sister chromatids are identical so that 2 out of 4 daughter cells will be exactly identical haploid sets. The other 2 are identical to each other as well.
Explanation:
Answer:
please give me brainlist and follow
Explanation:
Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell. In contrast, meiosis gives rise to four unique daughter cells, each of which has half the number of chromosomes as the parent cell.
sorry .it's half answer
Do tubifex worms have cells? if so, what are they?
Answer:
no
Explanation:
Tubifex tubifex, also called the sludge worm, “Boogie Worm”, or sewage worm, is a species of tubificid segmented worm that inhabits the sediments of lakes and rivers on several continents. ... They can also survive in areas heavily polluted with organic matter that almost no other species can endure.
HELP PLEASE !!
Which of the following correctly describes the synthesis of proteins?
Question 6 options:
DNA is transmitted to mRNA, which then attaches to a ribosome where it is translated into a protein.
DNA is translated to tRNA, whihc then attaches to a ribosome where it is transcribed into a protein.
DNA is transcribed to mRNA, which then attaches to a ribosome where it is translated into a protein.
DNA is transcribed to tRNA, which then attaches to a ribosome where it is translated into a protein.
Answer:
DNA is transmitted to mRNA, which then attaches to a ribosome where it is translated into a protein.
I looked up the definition of transmitted and it fits better
DNA is transcribed to mRNA, which then attaches to a ribosome where it is translated into a protein. The correct answer is option C.
What is the role of mRNA ?mRNA is the code of DNA that carries the information of coding proteins from the nucleus to the cytoplasm.
DNA is transcribed into mRNA where it is transcribed intro message to which kind of protein is about to be formed. A triplet forms one amino acid and this process is taking place in the ribosome.
The chain of amino acids forming a protein is released in the cytoplasm and the proteins is then assigned a particular position where so ever is them needed mostly in the cytoplasm.
Therefore, DNA is transcribed to mRNA, which then attaches to a ribosome where it is translated into a protein. The activity takes place in the ribosome.
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Which of the following statements are FALSE? A. Meiosis separates homologous chromosomes in a diploid cell to produce haploid daughter cells containing one copy of each type of chromosome. B. During prophase I, homologous chromosomes pair up and exchange DNA. C. During meiosis II, paired homologous chromosomes move up to the equator of the cell. D. During anaphase I, homologous chromosomes separate. E. In meiosis II, the sister chromatids of each chromosome separate. F. In meiosis I, ploidy is reduced. G. In meiosis II, ploidy is reduced. H. During anaphase I, sister chromatids separate.
The statements about meiosis that are false include the following:
C. During meiosis II, paired homologous chromosomes move up to the equator of the cell.
G. In meiosis II, ploidy is reduced.
H. During anaphase I, sister chromatids separate.
Meiosis can be defined as a type of cell division or duplication that occurs in all body cells found in living organisms, through which a single cell divides twice to produce four (4) haploid cells (gamete).
During cell division, deoxyribonucleic acid (DNA) must be replicated before meiosis can take place in any body cell found in living organisms.
Generally, the phases or steps that occur during meiosis include:
Prophase I.Metaphase I.Anaphase I.Telophase I.Prophase II.Metaphase II.Anaphase II.Telophase II.Furthermore, the statements about meiosis that are false include the following:
1. During meiosis II, paired homologous chromosomes move up to the equator of the cell.
The movement of paired homologous chromosomes to the equator of the cell takes place during prophase II.2. In meiosis II, ploidy is reduced.
Actually, it is meiosis I that reduces ploidy.3. During anaphase I, sister chromatids separate.
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Which example(s) of cell transport do/does not require chemical energy?
A.
Drops of blue food coloring are placed in water and spread throughout the water, turning it blue.
B.
A potato slice is placed in water and water molecules from inside the potato move into the surrounding water.
C.
both A and B
D.
neither A nor B
Answer:
C
Explanation:
Because osmosis(B) this is where water moves from a high concentration to a low concentration across a partially permiable membrane( No energy required). Whereas in diffusion (a) this is the net movement of particles from a region of a high concentration to a region of a low concentration. This stops when the region is evenly spread. (No energy is required)
The cell transport which takes place in food coloring, potato slice is concentration gradient. This type of cell transport does not need energy. Thus, the correct option is C.
What is Cell transport?
Cell transport is the transport of molecules through the cell membrane. Transport of substances through the membrane takes place through osmosis and diffusion.
The diffusion of substances can be active or passive on the basis of requirement of energy. The passive mode of transport does not require energy as the movement of substances occurs down the concentration gradient from high concentration to low concentration. Whereas, in active transport energy is required in the form of ATP as the transport occurs against the concentration gradient from low concentration to high concentration.
Therefore, the correct option is C.
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1 pts Question 3 The transfer of glucose into a cell does not require ATP. What type of transport supplies a cell with glucose?
O exocytosis
O osmosis
O passive transport
O active transport
Answer:
A exocytosis
Explanation:
got it right on quiz
As a living organism (you) what is your Habitat, Ecosystem, and Biosphere?
Answer:
An ecosystem is a community of living organisms interacting with one another and their non-living environment within a particular area. ... The biosphere is that part of the earth inhabited by living organisms, including land, ocean and the atmosphere in which life can exist. It is the global ecosystem.
Explanation:
what material is found in c and d that is not found in a and b?
Answer:
need pic
Explanation:
the amount of water in each body compartment mainly is controlled by
Answer: Ion Concentration
The ion concentration in water molecules controls the amount of water in a compartment
The concentration of ions in a body of water determines the rate of diffusion and osmosis that occurs in a body of water contained within a body compartment. which has a direct impact on the amount of water that is held in any water body compartment.
Hence we can conclude that the ion concentration in water molecules controls the amount of water in a compartment.
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Which two climates have very low levels of precipitation?
dry and polar
polar and highlands
highlands and temperate marine
temperate marine and temperate continental
Answer:
arid and semiarid
Explanation:
Because they are the lowest in the climate areas. hope this somewhat helps you out
~dry and polar: cold air cant hold as much water vapour as warm air, so precipitation is less likely.
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How is carbon dioxide cycled between a tree and a fox what processes are involved
Answer:
The fox exhales carbon dioxide and the tree takes in the carbon dioxide and converts it into oxygen.
Explanation: