__ 1.Before Any ATP Is Yielded from Carbohydrates During Glycolysis, First

__ 1.Before any ATP is yielded from carbohydrates during glycolysis, first

a)one ATP molecule must be added

b)two ATP molecules must be added

c)two phosphate groups must be added

d)one ATP molecule must be removed

e)two ATP molecules must be removed

__ 2.Glycolysis would quickly halt if the process ran out of ______, which serves as the electron acceptor.

a)NADP

b)ADP

c)NAD+

d)water

e)FAD

f)none of these

__ 3.The net yield per molecule of glucose used during glycolysis is:

a)one ATP

b)two ATP

c)four ATP

d)thirty-six ATP

e)thirty-eight ATP

__ 4.The gross yield per molecule of glucose used during glycolysis is:

a)one ATP

b)two ATP

c)four ATP

d)thirty-six ATP

e)thirty-eight ATP

__ 5.Under anaerobic conditions muscle cells produce:

a)ethanol

b)acetaldehyde

c)pyruvate

d)lactic acid

e)citric acid

__ 6.The Kreb’s TCA cycle takes place in the:

a)ribosomes

b)centromeres

c)cytoplasm

d)mitochondria

e)plastids

__ 7.The breakdown of pyruvate by the Kreb’s cycle results in the production of

a)ATP

b)carbon dioxide

c)oxygen

d)NADH

e)all except C

__ 8.If the organism is performing aerobic respiration, it uses ______as the final electron acceptor.

a)hydrogen

b)carbon

c)water

d)oxygen

e)NAD

f)NADH

__ 9.If fermentation follows glycolysis,

a)carbon dioxide will be one of the products as pyruvate is converted to lactate

b)the two NADH molecules produced during glycolysis will be used to reduce pyruvic acid to either lactic acid or ethanol and carbon dioxide.

c)oxidative phosphorylation occurs either on the plasma membrane or on derivatives of the plasma membrane.

__ 10.If the organism is performing aerobic respiration, it uses ______as the donor of electrons to the electron transport chain.

a)hydrogen

b)carbon

c)water

d)oxygen

e)NAD

f)NADH

__ 11.During electron transport, _____ ions accumulate in the outside of the inner mitochondrial membrane.

a)calcium

b)hydrogen

c)oxygen

d)protons

e)sodium

__ 12.Strenuous exercise increases CO2 production. Specifically, where is the CO2 coming from?

a)glycolysis

b)C3 cycle

c)Krebs cycle

d)chemiosmosis

e)fermentation

__ 13.At the end of glycolysis, the original carbons of the glucose molecule form:

a)six molecules of carbon dioxide.

b)two molecules of NADH.

c)two molecules of pyruvic acid.

d)two molecules of citric acid.

e)two molecules of fructose.

__ 14.Which of the following is an example of an electron carrier molecule?

a)Citric acid

b)CO2

c)Acetyl CoA

d)NADH

e)ATP

__ 15.From the above picture, “a” represents:

a)oxygen

b)NADPH

c)FADH2

d)water

e)ATP

f)ADP & Pi

g)sugar

h)CO2

i)NADP

j)NAD

__ 16.From the above picture, “b” represents:

a)oxygen

b)NADPH

c)FADH2

d)water

e)ATP

f)ADP & Pi

g)sugar

h)CO2

i)NADP

j)NAD

__ 17.From the above picture, “c” represents:

a)oxygen

b)NADPH

c)FADH2

d)water

e)ATP

f)ADP & Pi

g)sugar

h)CO2

i)NADP

j)NAD

__ 18.From the above picture, “d” represents:

a)oxygen

b)NADPH

c)FADH2

d)water

e)ATP

f)ADP & Pi

g)sugar

h)CO2

i)NADP

j)NAD

__ 19.From the above picture, “g” and “h” represents:

a)oxygen and water

b)NADH and NAD

c)FADH and water

d)ATPand NAD

e)ADP & Pi

f)sugar and CO2

__ 20.The process that occurs inside some types of living cells by which the energy from sunlight is trapped and converted into carbohydrate molecules is called

a)photosystem II

b)photosystem I

c)light dependent reaction

d)photosynthesis

e)Calvin cycle

__ 21.In photosynthesis, the chemical energy formed by the light-dependent reactions is used to drive the light-independent reactions. The name of the pathway used for the light independent pathway is

a)Kreb’s cycle

b)TCA cycle

c)photosystem I and II

d)Harley-Davidson cycle

e)Calvin cycle

__ 22.The carbons in the carbohydrates produced during photosynthesis originate as (are taken up by the plant cells as)

a)glucose phosphate

b)carbon dioxide

c)ATP

d)NADPH

e)starch

__ 23.Which color of light is least used in photosynthesis?