SAVVAS Unit 2 - Ch 10 & 11

Cells use the energy available in food to make a final energy-rich compound called ___.

• water

• glucose

• ATP

• ADP

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NGSS.HS-LS1-7

The net gain of energy in glycolysis from one molecule of glucose is ___.

• 4 ATP molecules.

• 2 ATP molecules.

• 8 ADP molecules.

• 3 pyruvic acid molecules.

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NGSS.HS-LS1-7

The electron transport chain (ETC) uses the high-energy electrons from the Krebs Cycle to ___.

• produce glucose.

• move H+ ions across the inner mitochondrial membrane.

• convert acetyl-CoA to citric acid.

• convert glucose to pyruvic acid.

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Because fermentation takes place in the absence of oxygen, it is said to be ___.

• aerobic

• anaerobic

• cyclic

• oxygen-rich

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NGSS.HS-LS2-3

During heavy exercise, the buildup of lactic acid in muscle cells results in ___.

• cellular respiration.

• oxygen debt.

• fermentation.

• the Krebs Cycle.

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NGSS.HS-LS2-3

In order for a cell to divide successfully, the cell must first ___.

• duplicate its genetic information.

• decrease its volume.

• increase its number of chromosomes.

• decrease its number of organelles.

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NGSS.HS-LS1-4

Sister chromatids are attached to each other at an area called the ___.

• centriole

• centromere

• spindle

• chromosome

If a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis and cytokinesis?

• 4

• 6

• 12

• 24

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NGSS.HS-LS1-4

Which statement does NOT describe external regulatory proteins?

• They respond to events occurring inside the cell.

• Growth factors are one group of external regulatory proteins.

• They can speed up or slow down the cell cycle.

• Some can cause cells to slow down or stop their cell cycle.

Bone marrow cells that produce blood cells are best categorized as ___.

• embryonic stem cells

• adult stem cells

• pluripotent cells

• totipotent cells

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NGSS.HS-LS1-4