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Biology 1 Final study guide > Test 2 > Flashcards

Test 2 Flashcards

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1
Q 
Which of the following is NOT a process of aerobic respiration?
A. citric acid cycle
B. glycolysis
C. acetyl CoA formation
E. lactate fermentation
A

E. lactate

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2
Q 
\_\_\_\_\_\_ binds two or more ions or molecules and transport them in opposite direction across a membrane.
A. Uniporters
B. Symporters
C. Antiporters
D. Dual transporters
E.Channel transporters
A

C. Antiporter

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3
Q

Which of the following function: location is relationship is INCORRECT?

A

C. oxidative phosphorylation; mitochondria inner membrane

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4
Q

How might a plant cope with the fact that Calvin cycle uses more ATP than NADPH, yet produces roughly the same amount of both energy intermediates in photosynthesis 1 and 2

A

A. Photosynthesis can revert from non cyclic to cyclic electron flow

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5
Q

For the generalized equation Ae- + B –> A + Be-, where e represents an electron. Which of the following statements is true?
A. Molecule A is reduced
B. Molecule B is oxidizied
C. Molecule A is oxidized
D. Molecule B is reduced
E. Both molecule A is oxidized and molecule B is reduced.

A

E. Both molecule A is oxidized and molecule B is reduced.

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6
Q 
A 10% glucose solution is placed in the thistle tube. The thistle tube is placed in a beaker that contains a 5% glucose solution. The solution in the thistle tube is \_\_\_\_\_\_ to the solution in the beaker.
A. Hypertonic
B. Hypotonic
C. Isotonic
D. None of the above
A

A. Hypertonic

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7
Q

Which statement is correct about the input and output of carbon during glycolysis?

A

A. there is an input of 6 carbons (glucose) and an output of 6 carbons (2 pyruvates)

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8
Q

Regardless of the electron or hydrogen acceptor used, one of the product of fermentation is always

A

NAD+

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9
Q

What is the correct summary for the energy invested vs. the energy harvesting steps of glycolysis?

A

A. 2 ATP are invested and 4 ATP are harvested to produce a net gain of 2 ATP

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10
Q 
Photorespiration occurs mainly in:
A. C3 plants
B. C4 plants
C. CAM plants
D. all of the above
A

A. C3 plants

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11
Q

What organelles contain functioning ATP synthetase complexes in their membranes?

A

B. mitochondria and chloroplast

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12
Q 
What process best characterizes Ca2+ movement from the cytosol (low CA2+ concentration) into the endoplasmic reticulum to higher concentration. Calcium movement is
A. spontaneous
B. involves active transport
C. facilitated diffusion
D. does not require energy
E. occurs by passive diffusion
A

B. Involves active transport

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13
Q

A scientist produces an artificial membrane from phospholipids and notices that oxygen, but not glucose, readily moves through the membrane. What might account for the inability of glucose to move through the artificial membrane?

A

A. The artificial membrane lacks the protein needed for glucose transport

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14
Q

If you were an anaerobic bacteria and needed to harvest energy, which of the following would be your best option?

A

A. glycolysis and fermentation

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15
Q
  1. Lactose
A

D. Both taking lactase enzyme and avoiding all dairy products

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16
Q 
These organisms most specifically utilize light energy to make organic molecules from inorganic molecules.
A. photoautotrophs
B. photoheterotrophs
C. photoisorophs
D. photohemitrophs
E. heterotrophs
A

A. Photoautotrophs

17
Q 
The oxygen utilized in cellular respiration finally shows up as
A. CO2
B. ATP
C. new O2
D. H2O
A

D. H2O

18
Q 
While we are sitting down to lunch we are consuming \_\_\_\_\_\_ which will then be converted into \_\_\_\_\_\_ energy as we work until dinner time. 
A. potential, kinetic
B. kinetic, potential
C. Kinetic, Free
D. potential, stored
A

A. potential, kinetic

19
Q 
G3P is used by plants for all the following except the formation of 
A. fatty acids
B. amino acids
C. oxygen
D. sucrose
A

C. Oxygen

20
Q

In the biochemical regulation of metabolic pathways, how would one overcome the effects of a competitive inhibitor on enzyme activity?

A

A. Increase the amount of substrate for the enzyme

21
Q 
21.Oxygen production in photosynthesis includes all the following except 
A. photosystem 1
B. photosystem 2
C. splitting of water
D. light reaction
A

A. photosystem 1

22
Q
  1. When ATP is made during glycolysis and the kreb cycle, it is by
A

B. Substrate-level phosphorylation

23
Q

Select the correct sequence concerning glucose catabolism.

A

B. glycolysis- pyruvate- acetyl- CoA- kreb cycle- electron transport chain

24
Q 
The first stage of cellular respiration and the oldest in term of evolution is
A. decarboxylation
B. deamination
C. fermentation
D. chemiosmosis
E. glycolysis
A

E. glycolysis

25
Q 
The movement of sucrose and H+ into the cell by the same membrane protein reflects the action of what type of transporter?
A. voltage gated
B. mechanosensitive
C. Uniporter
D. Antiporter
A

D. Symporter

26
Q 
Which molecule passes through a lipid bilayer most readily?
A. Carbon dioxide
B. glucose
C. K+
D. Arginie
E. RNA
A

A. Carbon dioxide

27
Q
  1. Which of the following label is incorrectly identified?
A

D. Refers to the products

28
Q
  1. Which of the following statements about feedback inhibition in metabolic pathways is most CORRECT?
A

C. the product of the pathway inhibits its own production by noncompetitively inhibiting the binding of a substrate

29
Q
  1. the equation
A

E. is anaerobic

30
Q

Placing celery sticks in fresh water will make them more turgid and harder. This is because

A

B.The celery stick is hypertonic to the fresh water

31
Q 
31. Study the series of pictures to identify the process as
A. facilitated transport
B. active transport
C. passive transport
D. osmosis
A

A. facilitated transport

32
Q
  1. Which of the following would be most INCORRECT if there were a sudden decline in plants on Earth?
A

B. the rate of photosynthesis in plants would decline

33
Q

Which of the following is not true about ATP

A

Its production requires an exergonic reaction

Biology 1 Final study guide (2 decks)

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