Bio Quiz 2 Flashcards

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1
Q

If a cell swells when placed in a solution, the solution is

hypertonic.
isotonic.
All of the listed answers are correct
saturated.
hexotonic.
None of the listed answers are correct

A

None of the listed answers are correct

But the answer is hypotonic

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2
Q

The diffusion of water through a selectively permeable membrane is called

exocytosis.
osmosis.
active transport.
endocytosis.
None of the listed answers are correct
All of the listed answers are correct

A

osmosis

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3
Q

Which of the following is the correct pairing of a process and its requirement for oxygen?

  All of the listed answers are correct 
  None of the listed answers are correct 
  fermentation: oxygen required 
  Krebs cycle: no oxygen required 
  glycolysis: no oxygen required
A

glycolysis: no oxygen required

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4
Q

As a result of mitosis, each resulting cell

receives an exact copy of all of the chromosomes present in the original cell.
All of the listed answers are correct
receives exactly half the chromosomes from the original cell.
receives most of the chromosomes from the original cell.
None of the listed answers are correct
donates a chromosome to the original cell.

A

receives an exact copy of all of the chromosomes present in the original cell.

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5
Q

The binding of a signal molecule by a receptor protein can

change the permeability of the cell.
activate a second messenger inside the receiving cell.
None of the listed answers are correct
All of the listed answers are correct
trigger enzyme activity in the cell.

A

trigger enzyme activity in the cell.

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6
Q

When the concentration of a substance is the same throughout a space, the substance is

  All of the listed answers are correct 
  in equilibrium. 
  undergoing active transport. 
  undergoing passive transport. 
  a hypertonic solution. 
  None of the listed answers are correct
A

in equilibrium

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7
Q

During the metaphase stage of mitosis,

spindle fibers shorten, pulling chromosomes to the poles of the cell.
the cell membrane folds inward.
All of the listed answers are correct
chromosomes line up at the cell’s equator.
None of the listed answers are correct
chromosomes are at opposite ends of the cell.

A

chromosomes line up at the cell’s equator.

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8
Q

A pigment that causes a plant to look green is

  All of the listed answers are correct 
  chlorophyll. 
  carotenoid. 
  None of the listed answers are correct 
  NADH. 
  NAPH.
A

chlorophyll

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9
Q

When the cell cycle is not controlled, __________may result.

  None of the listed answers are correct 
  cancer 
  All of the listed answers are correct 
  binary fission 
  a spindle 
  Down syndrome
A

Cancer

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10
Q

In diffusion, a substance moves

from an area of lower concentration to an area of higher concentration.
against its concentration gradient.
down its concentration gradient.
independent of its concentration.
None of the listed answers are correct
All of the listed answers are correct

A

down its concentration gradient.

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11
Q

The oxygen produced during photosynthesis comes directly from the

  mitochondrial membranes. 
  absorption of light. 
  splitting of carbon dioxide molecules. 
  splitting of water molecules. 
  All of the listed answers are correct 
  None of the listed answers are correct
A

splitting of water molecules.

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12
Q

The electron transport chains of photosynthesis produces

glucose.
water.
None of the listed answers are correct
ATP and NADPH.
All of the listed answers are correct
pyruvate.

A

ATP and NADPH.

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13
Q

Substances enter or leave a cell through the

  cell membrane. 
  nucleus. 
  None of the listed answers are correct 
  Golgi apparatus. 
  All of the listed answers are correct 
  cytoplasm.
A

cell membrane.

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14
Q

The products of photosynthesis that begin cellular respiration are

  None of the listed answers are correct 
  NADP+ and hydrogen. 
  ATP and water. 
  All of the listed answers are correct 
  organic compounds and oxygen 
  carbon dioxide and water.
A

carbon dioxide and water.

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15
Q

Chromatids are

None of the listed answers are correct
structures that move chromosomes during mitosis.
All of the listed answers are correct
prokaryotic chromosomes.
two exact copies of DNA that make up each chromosome.
dense patches within the nucleus.

A

two exact copies of DNA that make up each chromosome.

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16
Q

Aerobic respiration involves all of the following except

   mitochondria.
   glycolysis. 
   the Krebs cycle.
   None of the listed answers are correct
   ATP.
   All of the listed answers are correct
A

glycolysis

17
Q

How does cell division differ between animal and plant cells?

  Animal cells form a cell plate. 
  Plant cells do not have centrioles. 
  All of the listed answers are correct 
  Plant cells are always haploid. 
  None of the listed answers are correct 
  Animal cells do not have centrioles.
A

Plant cells do not have centrioles.

18
Q

Most of the ATP made during cellular respiration is produced in

  mitochondria. 
  the Krebs cycle. 
  All of the listed answers are correct 
  None of the listed answers are correct 
  fermentation. 
  glycolysis.
A

mitochondria

19
Q

In humans, females have _______ sex chromosomes.

  All of the listed answers are correct 
  None of the listed answers are correct 
  XO 
  XY 
  XX 
  YY
A

XX