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lubasha [3.4K]
2 years ago
11

Biological macromolecules are organized into four major categories. What type of macromolecule contains phosphorus as part of a

phosphate group?.
Biology
1 answer:
mojhsa [17]2 years ago
3 0

Answer:

Nucleic Acids

Explanation:

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suppose you found a bone of a mastodon which had 6.25%c14and93.75%n14 how long ago did this animal die​
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t= 3886.18 years old

Explanation:

Whenever an animal dies de C14 and N14 begin to disintegrate in such a way that the proportion between C14 and C12 decreases, with a semi-disintegration period of 5.730 years, T. To get to know how long it takes an element to disintegrate, we must use this semi-disintegration period, which is the time it takes until the amount of the element is reduced to its half.  

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3 years ago
In order to survive,all organisms must carry out
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Enzyme-controlled reactions (digestion, synthesis, growth, regulation, reproduction, circulation, excretion)

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Santi is walking barefoot through his yard when he steps on a sharp rock. The skin on the bottom of his foot sends
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Answer:

Santi is walking barefoot through his yard when he steps on a sharp rock. The skin on the bottom of his foot sends  this information through a(n)  <em>sensory</em> neuron to his CNS. A(n) <em>interneuron</em> picks up  this information and carries it to <em>motor neurons of the CNS</em>, which sends a signal to the muscles in his foot causing his  foot to pull away from the rock.

Explanation:

The scenarios discussed in the question is known as a reflex action. In this action, specific receptors detect specific stimuli. For example, pain in the barefoot due to steeping on a sharp rock was the stimuli. This stimulus was detected by the sensory neurons. The sensory neurons turned this information into a chemical signal which was transported by the interneurons to the motor neurons of the CNS. The CNS detected the signal and gave information for a response as a result of which Santi pulled back his feet.

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