1)Plants create energy when they convert CO2 to glucose: true or false? True Fal

Question

1)Plants create energy when they convert CO2 to glucose: true or false?

True

False

2)Plants create energy when they convert CO2 to glucose: true or false?

True

False

3)Glycolysis:

does not require O2 to generate energy

requires O2 to generate energy

is inhibited by O2

rate is increased in the presence of O2

4)The phosphorylation of glucose to glucose 6-phosphate (G-6-P)

Occurs without a catalyst.

Is so favorable that the source of phosphate is not important.

Is so favorable that it can be used to synthesize ATP.

Requires energy from ATP to occur.

5)Glucose is prevented from leaving the cell once it enters because:

a)It is converted to glucose-6-P, which cannot cross the membrane.

b)It is converted to glucose-6-P, which cannot exit through the glucose transporter.

c)It is used immediately for glycolysis.

5)The conversion of F-1,6-P to two three carbon sugars by the enzyme aldolase has a standard energy change of +25 kJ/mol. This reaction is sponaneous in glycolysis with a Gibbs energy of ~0 because:

One of the products of aldoase is phosphorylated by ATP.

A subsequent reaction in glycolysis is highly favorable.

Aldolase lowers the Gibbs energy.

NADH is used as an energy source.

Explanation / Answer

1) True
2) True
3) Does not require O2 to generate energy
4) Requires energy from ATP to occur
5) It is converted to glucose-6-P, which cannot exit through the glucose transporter.
6) Aldolase lowers the Gibbs energy

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