Cell Differentiation and Specialization — Cumulative exam Answers
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21
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Which series of diagrams correctly represents the order of mitosis?
A
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the chromosomes line up at the center. In step 3, the chromatids separate from each other and are pulled to opposite ends of the cell. In step 4, the cell is divided.
B
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the cell is divided. In step 3, the chromatids separate from each other and are pulled to opposite ends of the cell. In step 4, the chromosomes line up at the center.
C
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the cell is divided. In step 3, the chromosomes line up at the center. In step 4, the chromatids separate from each other and are pulled to opposite ends of the cell.
D
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the chromatids separate from each other and are pulled to opposite ends of the cell. In step 3, the chromosomes line up at the center. In step 4, the cell is divided.
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Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts, and the second cell has very few. What would most likely characterize these cells?
A
There would be no difference between the functioning of the cells because the chloroplasts are not essential cell structures.B
The second cell would become larger because it would have fewer chloroplasts regulating its size and shape.C
The second cell would shrink because it would not be able to store water and maintain cell shape.D
The second cell would not be able to produce as much food because it could not capture very much sunlight.24
Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?
A
helps with communication; contains mostly celluloseB
contains mostly cellulose; forms the outer layer of animal cellsC
is found in plant cells; is found in animal cellsD
is semipermeable; found in animal cells25
What do all cellular activities in living organisms use as a source of energy?
A
ATPB
lactic acidC
pyruvic acidD
carbon dioxideDid you find these answers helpful?
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