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aliina [53]
3 years ago
9

Which of the key element found in all carbohydrates, lipids, proteins, and nucleic acids?

Biology
1 answer:
Luba_88 [7]3 years ago
8 0
DNA

please vote my answer brainliest. thanks!
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A hormone is an organ that secretes chemical substances into the bloodstream. Please select the best answer from the choices pro
valina [46]

Answer:

false

Explanation:

a hormone is not an organ that secretes chemical substances into the bloodstream, hence your answer is false

hope that helps! :)

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What determines at what angle a beam of light takes when it reflects off a mirror.
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How many bonds does each carbon atom have
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Most carbon atoms have about 4 bonding in them.


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4 0
3 years ago
Describe a stoma, and relate the function of the stoma to your description.
stepladder [879]

Answer:

BOTONY:

any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.

MEDICINE :

an artificial opening made into a hollow organ, especially one on the surface of the body leading to the gut or trachea.

Explanation:

3 0
3 years ago
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tresset_1 [31]

Answer: The correct answer for the fill in the blank is A) Circulatory, immune.

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Blood contains different cells like white blood cells, red blood cells, platelets.

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3 years ago
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