Test Bank...AP2 (Metabolism)

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Test bank for test 2 (class AP2)

Chemical reactions that break down complex organic molecules into simpler ones are called:

Catabolism

Chemical reactions that combine simple molecules and monomers to form complex structures are known as.

Anabolism

When the terminal phosphate is cut off ATP what is formed?

Adenosine diphosphate

Oxidation is

The removal of electrons

Reduction is the

The addiction of electrons

This is a derivative of vitamin B.

NAD

Which of the following is not a form of phosphorylation?

Reduction phosphorylation

Glycogenesis is NOT

one way to make glycogen

This process is the synthesis of triglycerides.

Lipoogenesis

This reaction oxidizes acetyl co-A to produce carbon dioxide, ATP, NADH=H and FADH2.

Krebs cycle

Glycolysis, formation of acetyl co-A, Krebs cycle and the electron transport chain are involved in:

Glucose catabolism

This is the key regulator of the rate of glycolysis.

Phosphofructokinase

Where can pyruvate dehydrogenase be found?

Mitochondria

The most abundant product of the reactions of the Kreb's cycle is...

Reduced co enzymes

The net result of the complete oxidation of glucose does not include:

oxygen

How many reactions take place during the Krebs cycle?

8

When a large amount of H+ accumulates between the inner and outer mitochondria membranes, this describes:

Chemiosmosis

How many ATPs can come from substrate level phosphorylation during glycolysis?

2

What hormones stimulates glycogenesis?

Insulin

What hormone stimulates gluconeogenesis?

Thyroid

Glycogenolysis is _____________ and stimulated by _________________.

Catabolic, Epinephrine

Thyroid hormones:

Promote glycolysis

These transport dietary lipids.

Chylomicrons

Most cholesterol medications are designed to:

None of the above

Where does glycolysis take place?

Cytosol

Where does the Kreb's cycle take place

Mitochondria

Lipogenesis occurs when

More calories are consumed than reqired for ATP need

Excess amino acids in the body are

Converted into glucose

Live cells convert:

Ammonia into urea

Glucose-6-phosphate

All of the above

Which of the following are used in "metabolic crossroads"?

Pyruvic acid

In the absorptive state

Storage of energy is important

Most glucose that enters the liver is converted to

Glycogen

Keto acids

Can enter Krebs or be used for ATP production

Which of the following is not a post absorptive state reaction?

Lipogenesis

Cardiac muscles can produce ATP from

Lactic acid

The most dramatic metabolic change that occurs with fasting is

Lipogenesis

Why is "Calorie" always spelled with a capital "C"?

None of the above

Which of the following is a factor that does NOT affect heat production?

Blood volume

This is a mechanism of heat transfer that involves direct contact.

Conduction

The higher the relative humidity

The lower the rate of evaporation

The heat promoting center stimulates parts of the brain that

Stimulates skeletal muscle activity

Thyrotropin-releasing hormone is secreted by the

Hypothalamus

Food induced thermogenesis

None of the above

Neuropeptide Y stimulates

Food intake

Which of the following is not a major nutrient the body needs?

Phosphates

Provitamins are

Building blocks of vitamins

Which of the following is a fat-soluble vitamin?

Vitamin E

Antioxidant vitamins

Can inactivate oxygen free radicals

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