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Alona [7]
2 years ago
8

All the biological macromolecules contain carbon, hydrogen and oxygen. However, most do not contain nitrogen. The category that

Biology
1 answer:
topjm [15]2 years ago
8 0

Answer:

A. lipids

Explanation:

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Serratia marcescens cells produce a red pigment at room temperature. The red color of the colonies is an example of which of the
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Answer:

The red color of the colonies is an example of <u>a phenotype .</u>

Explanation:

Serratia marcescens -

They are the species ,that are , gram - negative bacteria , rod - shaped ,

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Serratia marcescens are mostly found in the urinary and respiratory tracts of the hospitalized adults and in children , in  the gastrointestinal systems .

S. Mercescens are most commonly found in the environment , growing the bathroom and dirt .

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3 years ago
Function of epiglottis​
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prevents secretion of upper air passage

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The major disadvantage of a blood-brain barrier is that ____.​
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<span>The answer is a certain required chemicals must be actively transported.  Blood brain barrier is a selective membrane that separates blood circulating from the brain and the fluid of extracellular in the central nervous system. This is also called a filtering mechanism, the capillaries that carry blood to the brain and spinal cord tissue blocking the path way of the certain substance.</span>

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Which product of respiration is considered waste material and leaves the alveoli?
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Carbon dioxide

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The alveoli picks up the oxygen you breathe in and releases the outgoing waste product carbon dioxide

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Name the process by which soil is formed from rocks? ?
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Weathering and soil formation.

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