Biology Final Exam Review 2021

The four main types of macromolecules found in organisms are carbohydrates, lipids, nucleic acids, and

• starches

• fatty acids

• monosaccharides

• proteins

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Both animal fats and plant oils are made up of glycerol and

• amino acids

• fatty acids

• polar molecules

• saturated fats

Which category of carbon-based molecules includes sugars and starches?

• unsaturated fatty acids

• phospholipids

• proteins

• carbohydrates

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The class of macromolecule that would most likely be involved in contracting muscles would be

• lipids

• proteins

• enzymes

• carbohydrates

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One function of a carbohydrate is to store energy. Which other biomolecule also functions in storing long term energy?

• carbohydrate

• protein

• lipid

• nucleic acid

Which of the following is a function of a protein?

• forms the cell wall

• insulation

• gene expression

• regulates enzymes

Which statement describes the function of nucleic acids?

• stores genetic information and helps to make proteins

• increases the rate of chemical reactions

• stimulates metabolism in all body cells

• activates the secretion of the body’s hormones

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which of the following is found in a eukaryotic cell, but is not found in a prokaryotic cell?

• Cytoplasm

• Cell membrane

• Nucleus

• Flagella

Which plant cell organelle uses light energy to produce sugar?

• Chloroplast

• Mitochondria

• Nucleus

• Ribosome

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NGSS.HS-LS2-5

Which of the following organelles would you not find in a plant cell?

• Chloroplast

• Lysosomes

• Central vacuole

• Cell wall