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Arada [10]
4 years ago
8

4 Convection is the internal energy transfer that

Biology
1 answer:
vladimir2022 [97]4 years ago
8 0

Answer:

a

Explanation:

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Distinguish between major classes of biomolecules, proteins, lipids, carbohydrates, nucleic acids?
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Answer:

Proteins (polymers of amino acids)

Carbohydrates (polymers of sugars)

Lipids (polymers of lipid monomers)

Nucleic acids (DNA and RNA; polymers of nucleotides)

Explanation:

Proteins:

Chemical formula is CHON

−NH2 + −COOH +R group

Monomer is Amino acids.

Examples are enzymes, and some hormones.

Uses are Storage; Signals; Structural; Contractile; Defensive; Enzyme; Transport; Receptors.

Lipids:

Chemical formula is C:H:O

Greater than 2:1 H:O (carboxyl group)

Monomer is fatty acid and glycerol.

Examples are butter, oil, cholesterol, beeswax.

Functions are energy storage; Protection; Chemical messengers; Repel water.

Carbohydrates:

Chemical formula is C:H:O

1:2:1

Monomer is monosaccharides.

Examples are Glucose, Fructose, Starch, Glycogen, Cellulose.

Uses are energy storage; structure.

Nucleic Acids:

Chemical formula is CHONP

(pentose, nitrogenous base, phosphate ).

Monomer is nucleotides.

Examples are DNA, RNA.

Uses are Genetic information

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What component of Earth's atmosphere exists entirely as a result of photosynthesis?
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Answer:

oxygen gas

Explanation:

because oxygen is needed for life on Earth

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What is the role of Dna in transcription ?
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The type of learning that occurs when a stimulus produces a particular response because it is associated with a positive or nega
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