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Anon25 [30]
3 years ago
6

Which type of macromolecule is made of amino acids?

Biology
2 answers:
solniwko [45]3 years ago
7 0
Protein is the answer

Rudik [331]3 years ago
4 0
Protein. im absolutely certain
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Why ureolytic bacteria use urea? And why they produce CaCO3?
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Answer:

Due to urease activity, bacteria are able to use urea as a sole nitrogen source and produce ammonia, which increases the pH in the proximal environment, causing Ca2+ and CO32- to precipitate as CaCO3.

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What differentiates an autonomic reflex from a somatic reflex?
GREYUIT [131]

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Answer is D. a two-neuron motor pathway.

Explanation:

The reflex that involves the sensory neurons connecting sensory receptors to the CNS and motor neurons that connect to the skeletal muscle is known as somatic reflex, while the autonomic reflex is the reflex involving the visceral effector, e.g cardiac muscle.

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What mineral is released within muscle cells to trigger contraction?
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3 years ago
Give at least three facts autotrophs and heterotrophs on earth are true?
White raven [17]

Answer:

  • Autotrophs are usually defined as those that can prepare their own food by carrying out the process of photosynthesis, but heterotrophs cannot prepare their own food and are directly dependent on the autotrophs for food. Examples of autotrophs are plants and trees, and examples of heterotrophs are animals and human beings.
  • Autotrophs are the lowest organisms in the trophic level, where they produce the food for the consumers (heterotrophs). On the other hand, the heterotrophs lie above the autotrophs and when they consume their food, they obtain only 10% of the energy, and the remaining energy is released into the environment.
  • Autotrophs can make organic substances by the use of inorganic molecules, but heterotrophs cannot make these substances. They are only dependent on the molecules prepared by these autotrophs.

Thus, these are three of the facts regarding autotrophs and heterotrophs existing on earth that are true.

4 0
3 years ago
Identify this symbol.<br><br> H₂O<br><br> anion<br> cation<br> atom<br> molecule
Vikki [24]

Answer:

molecule

Explanation:

because water aka h20 is a molecule

7 0
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