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Alborosie
2 years ago
15

Demographic transitions is change from high birthrates and high death rates to

Biology
1 answer:
asambeis [7]2 years ago
3 0
<span> to low birth and death rates, as observed in the history of more developed countries.</span>
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What is the difference between DNA of a stomach cell and the DNA of a brain cell?
FinnZ [79.3K]

Answer:

they have different functions

Explanation:

the stomach cells breakdown food and make up a certain tissue and take nutrients from the food you eat while the brain cell makes up your neurons and receptors

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A carp has a large number of offspring, but predators eat many of them during the first year of life. Once they survive to matur
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when the offspring born, they have a low survival rate during first year but as they reaches maturity, their survival rate increases.

this type of survivorship is Type III

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2 years ago
Peptide hormones a. are able to pass through the membrane and bind to a receptor in the cytoplasm. b. bind to a receptor in the
ozzi

Answer:

The correct answer is option B. It bind to a receptor in the plasma membrane.

Explanation:

Hormones can be aminoacid based hormones (peptide or amine) or the steroid base hormones on the basis of their nature. Amino acid based proteins are molecules that are proteins,

Peptide hormones are the protein or peptide molecule that release in blood by the exocytosis in the form of preprohormones that mature later and bind to the receptor present on the surface of the plasma membrane of the target cell. The binding of the peptide hormone to the receptors a secondary messenger shows up in the cytoplasm.

Thus, the correct answer is option B. It binds to a receptor in the plasma membrane.

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3 years ago
Which term best describes an enzyme
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In biology the word <em>bio</em><em> </em><em>catylysts</em><em> </em>describes the word enzymes . Bio catylysts are nothing but enzymes which alter the rate of reaction . For ex - Pepsinogen , which is produced in the stomach of humans activated by HCl from a proenzyme called trypsin . It works in acidic medium and converts proteins into peptides and protons . Likewise there is another enzyme called Salivary amylase which is present in the saliva of humans converts starch into maltose . There is another enzyme called lipase which converts fats into fatty acids and glycerol .

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2 years ago
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show slide 4

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