What will most likely be the result if all of the mitochondria are removed from a plant cell?

• It will be unable to carry out respiration.

• It will lose water through osmosis.

• It will break down the ribosomes in the cell.

• It will be unable to photosynthesize.

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During strenuous exercise, body temperature increases. The body responds to the increase in temperature by sweating, which helps to reduce the body temperature.

Which is demonstrated in this situation?

• excretion

• metabolism

• homeostasis

• synthesis

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Before mitosis begins, which happens before the nucleus starts dividing?

• The cytoplasm separates.

• The DNA replicates.

• The sister chromatids separate.

• The homologous chromosomes cross over.

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What is the function of autotrophs in the carbon cycle?

• to use oxygen to produce glucose

• to take in excess water

• to use carbon dioxide to produce glucose

• to feed on herbivores

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A strand of DNA has these bases:

AGC CAT GTA TAC

What is the complementary DNA strand?

• ACG GAT CTA TAG

• TCG GTA CAT ATG

• TGC CTA GAT ATC

• UCG CUA CAU AUG

Which statement best describes the relationship that exists among proteins, DNA, and cells?

• Proteins combine to produce cells, which produce DNA.

• Proteins are made up of DNA, which determines the cells that are produced.

• DNA is made up of proteins, which tell a cell how to function.

• Cells contain DNA, which controls the production of proteins.

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NGSS.HS-LS1-1

What type of organic molecules are enzymes?

• carbohydrates

• lipids

• nucleic acids

• proteins

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What are the subunits of DNA and their function?

• nucleotides that store information

• monosaccharides that provide quick energy for the cell

• lipids that store energy and provide insulation

• proteins that provide the building blocks for the structural components of organisms

How does the amount of energy resulting from fermentation compare with that of aerobic respiration?

• Aerobic respiration results in less energy.

• Aerobic respiration results in more energy.

• Each process results in equal amounts of energy.

• Each process results in variable amounts of energy.

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This diagram shows a plant cell. Which structure is found in a plant cell but is absent in an animal cell?

• 1

• 2

• 3

• 4

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