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Answer: (b) Cholesterol</h2>
Explanation:
As the name suggests, cholesterol is a sterol (a modified steroid). It is biosynthesized by animal cells.
Answer:
atmospheric nitrogen converted into early water vapor which was later pressurized into liquid
Answer:
Nerve cells are called neurons . They are adapted to carry electrical impulses from one place to another. ... at each end of the neuron are tiny branches (dendrons ), which branch even further into dendrites . The dendrites receive incoming nerve impulses from other neurons
Answer:
Plants, coral, bacteria, and algae do this. Bacteria is a more recent find in the process of photosynthesis with primary producers, as they were just discovered in the soil. During photosynthesis, primary producers take energy from the sun and produce it into energy, sugar, and oxygen.
Explanation:
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