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klasskru [66]
4 years ago
15

What does it mean to say a food is a complete protein source

Biology
1 answer:
Oksana_A [137]4 years ago
7 0
It means that a food has all the essential amino acids a human body needs

Like:
meat
poultry
fish
eggs
milk
and cheese
You might be interested in
Write a rule about how amino acids bond together.
Gala2k [10]
Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid.

Hope this helped :)
3 0
3 years ago
Which combination of factors would curtail cell function?
tekilochka [14]
That would be PH and Salinity and Temperature
3 0
3 years ago
During activities requiring aerobic endurance,
Zolol [24]

Answer:

C) most of the muscle's energy is produced in mitochondria.

Explanation:

The activities such as running a marathon require aerobic endurance to allow prolonged and sustained muscle contraction for a longer duration (few hours) without fatigue. These activities rely on the production of ATPs in mitochondria through the process of anaerobic cellular respiration.

The process of aerobic cellular respiration produces a large number of ATPs to sustain prolonged muscle contraction. Slow oxidative muscle fibers that contain a large amount of myoglobin and are rich in mitochondria are involved in such activities.

8 0
3 years ago
What is the main idea of Darwin's theory of evolution by natural selection?
rewona [7]
Darwin's theory of natural selection is as follows:

Darwin observed that population sizes of any species would increase exponentially if all its individuals born reproduced successfully.

However, Darwin observed that populations tend to remain the same size (except for seasonal fluctuations).

Darwin also noticed that resources are limited.

Thus, Darwin concluded that if more individuals are produced than the environment can support, then there is a struggle for existence among the population's individuals, and only some of the offspring survive each generation.

Darwin also observed that no two individuals are exactly alike.

As a result, Darwin concluded that individuals whose inherited traits give them a higher fitness (a higher probability of surviving and reproducing) and are more likely to leave more offspring than less fit individuals; survival depends on inherited traits.

Darwin then inferred that favorable characteristics will accumulate over generations as this unequal ability of individuals to survive and reproduce will eventually lead to a gradual change in population, especially as environmental factors filter heritable variations.

Furthermore, he realized that much of this variation is heritable. Darwin's theory can also be explained as natural selection, the differential success in reproduction among individuals that vary in their heritable traits, emerges as each individual interacts with its environment. Over time, the adaptations of organisms to their environment will increase due to these reproductive differences. Then, if individuals of a particular species move into a new environment or if the environment changes, natural selection does result in adaption to these new conditions, while regularly & occasionally giving rise to new species. Note that a population is the smallest unit that can evolve, natural selection can increase or decrease only heritable traits, and the favored traits depend on the environment.
8 0
3 years ago
Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium?
SCORPION-xisa [38]

Answer:

a eukaryotic cell that can make its own food

Explanation:

<em> </em>I got the answer right :P

8 0
3 years ago
Read 2 more answers
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