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Biochemistry (Questions) > 1228 - 1259 > Flashcards

1228 - 1259 Flashcards

(34 cards)

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1
Q

1228 Examine the image. What is “Molecule X”?

A

Glucose

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2
Q

Examine the image. What is “Hormone X”?

A

Insulin

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3
Q

Examine the image. What is “Molecule X”?

A

Glucose 6-phosphate

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4
Q

Examine the image. What are “Path X” and “Path Y”?

A

Path X” is Glycolysis.
“Path Y” is Pentose phosphate pathway.

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5
Q

Examine the image. What is “Molecule X”?

A

Acetyl-CoA

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6
Q

Examine the image. What is “Molecule X”?

A

Glycerol 3-phosphate

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7
Q

Examine the image. What is “Molecule X”?

A

Acyl-CoA

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8
Q

Examine the image. What is “Enzyme X”?

A

Acyl-CoA synthetase

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9
Q

Examine the image. What is “Enzyme X”?

A

Hormone-sensitive lipase

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10
Q

Examine the image. “Reaction X”, combining Acyl-CoA with Glycerol 3-phosphate, is a reaction of… ?

A

Esterification

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11
Q

Examine the image. “Reaction X”, breaking triacylglycerol (TG) into free fatty acids (FFA) and Glycerol, is a reaction of… ?

A

Hydrolysis (Lipolysis)

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12
Q

Examine the image. What is “Molecule X”?

Select one:
a. Glycerol
b. Acyl-CoA
c. Acetyl-CoA
d. Cholesterol
e. Glycogen

A

Glycerol

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13
Q

Examine the image. What is “Enzyme X”?

Select one:
a. Lipoprotein lipase
b. Serine hydrolase
c. Choline esterase
d. Alcohol dehydrogenase
e. Triacylglycerol ligase

A

a. Lipoprotein lipase

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14
Q

Examine the image and locate the enzyme Hormone-sensitive lipase. Which compounds inhibit this enzyme?

Select one:
a. Insulin, Nicotinic acid.
b. Insulin, Glucagon.
c. Glucagon, Epinephrine.
d. Insulin, Vasopressin.
e. Epinephrine, Nicotinic acid.

A

a. Insulin, Nicotinic acid.

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15
Q

Examine the image and locate the enzyme Hormone-sensitive lipase. Which compounds activate this enzyme?

Select one:
a. Glucagon, Epinephrine.
b. Glucagon, Insulin.
c. Insulin, Nicotinic acid.
d. Glucagon, Nicotinic acid.
e. Insulin, Vasopressin.

A

a. Glucagon, Epinephrine.

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16
Q

Examine the image. What is “Enzyme X”?

Select one:
a. Adenylyl cyclase
b. ATP-dependent oxidoreductase
c. AMP hydrolase
d. cAMP kinase

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A

a. Adenylyl cyclase

17
Q

Examine the image. What is “Enzyme X”?

Select one:
a. Phosphodiesterase
b. cAMP kinase
c. AMP phosphatase
d. AMP ligase

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A

a. Phosphodiesterase

18
Q

Examine the image. What is “Enzyme X”?

Select one:
a. Hormone-sensitive lipase
b. cAMP-dependent protein phosphatase
c. Triacylglycerol kinase
d. Triacylglycerol ligase

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A

a. Hormone-sensitive lipase

19
Q

Examine the image. What is “Enzyme X”?

Select one:
a. cAMP-dependent protein kinase
b. cAMP-dependent protein phosphatase
c. ATP ligase
d. cAMP hydrolase

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A

a. cAMP-dependent protein kinase

20
Q

Examine the image. What is “Enzyme X”?

Select one:
a. Lipase phosphatase
b. Lipase kinase
c. Lipase hydrolase
d. cAMP-dependent protein phosphatase
e. Lipase oxidoreductase

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A

a. Lipase phosphatase

21
Q

Examine the image. What is “Enzyme X”?

Select one:
a. Hormone-sensitive lipase
b. Diacylglycerol ligase
c. Monoacylglycerol synthetase

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A

a. Hormone-sensitive lipase

22
Q

Examine the image. What is “Enzyme X”?

Select one:
a. Hormone-sensitive lipase
b. Diacylglycerol ligase
c. Monoacylglycerol synthetase

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A

a. Hormone-sensitive lipase

23
Q

Examine the image. What is “Enzyme X”?

Select one:
a. 2-Monoacylglycerol lipase
b. 2-Monoacylglycerol kinase
c. 2-Monoacylglycerol ligase
d. Glycerol synthetase

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A

a. 2-Monoacylglycerol lipase

24
Q

Examine the image. What is “Molecule X”?
Select one:
a.ATP
b. ADP
c. AMP

25
Examine the image. What is "Hormone X", regulating the 3 indicated steps? Select one: a. Insulin b. Glucagon c. Adrenaline (Epinephrine) d. Noradrenaline (Norepinephrine) e. Testosterone
a. Insulin
26
Examine the image. Which type of drugs could be "Molecule X"? Select one: a. beta-Adrenergic blockers b. alpha-Adrenergic blockers c. Both alpha- and beta- Adrenergic blockers
a. beta-Adrenergic blockers
27
Examine the image. How do the 3 indicated groups of chemical compounds influence the enzyme Adenylyl cyclase? Select one: a. Epinephrine and Glucagon activate the enzyme; Insulin inhibits it. b. Epinephrine and Insulin activate the enzyme; Glucagon inhibits it. c. Nicotinic acid and TSH activate the enzyme; Norepinephrine inhibits it. d. All activate the enzyme. e. All inhibit the enzyme.
a. Epinephrine and Glucagon activate the enzyme; Insulin inhibits it.
28
Examine the image. How do Adenosine and FFA (free fatty acids) influence the enzyme Adenylyl cyclase? Select one: a. Both inhibit the enzyme. b. Both activate the enzyme. c. Adenosine activates the enzyme; FFA inhibit it. d. FFA activate the enzyme; Adenosine inhibits it.
a. Both inhibit the enzyme.
29
Examine the image. How do the Methylxanthines influence the indicated steps? Select one: a. Inhibition in both cases. b. Activation in both cases. c. Inhibition of Phosphodiesterase; activation of the Adenosine's effect on Adenylyl cyclase. d. Activation of Phosphodiesterase; inhibition of the Adenosine's effect on Adenylyl cyclase.
a. Inhibition in both cases.
30
Examine the image. What are the 2 hormones' effects on the indicated steps? Select one: a. Activation in both cases. b. Inhibition in both cases. c. Activation from the Thyroid hormone; inhibition from the Growth hormone. d. Activation from the Growth hormone; inhibition from the Thyroid hormone.
a. Activation in both cases.
31
Examine the image. What is the effect of cAMP on the cAMP-dependent protein kinase? Select one: a. Activation. b. Inhibition. c. Neither activation nor inhibition, cAMP is only a substrate for the enzyme.
a. Activation.
32
Examine the image. What is the effect of cAMP on the cAMP-dependent protein kinase? Select one: a. Activation. b. Inhibition. c. Neither activation nor inhibition, cAMP is only a substrate for the enzyme.
a. Activation.
33
Examine the image. What are the regulatory effects of Insulin and Thyroid hormone on the Phosphodiesterase? Select one: a. Positive from Insulin; negative from Thyroid hormone. b. Positive from Thyroid hormone; negative from Insulin. c. Positive from both. d. Negative from both.
a. Positive from Insulin; negative from Thyroid hormone.
34
Examine the image. What are the regulatory effects of Insulin on the indicated steps? Select one: a. Positive on Lipase phosphatase; negative on the cAMP-independent pathway. b. Negative on Lipase phosphatase; positive on the cAMP-independent pathway. c. Positive in both cases. d. Negative in both cases.
a. Positive on Lipase phosphatase; negative on the cAMP-independent pathway.

Biochemistry (Questions) (35 decks)

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