Biology 114 Exam 2 Questions and
Answers
Which of the following are produced during the Calvin cycle?
✓ ~~~gylceraldehyde 3 phosphate, ADP, NADP+
Global warming due to the greenhouse effect may be
✓ ~~~moderated by photosynthesis, which removes carbon dioxide form the atmosphere
Oxidation is the _____, and reduction is the________.
✓ ~~~loss of electrons; gain of electrons
During which stage of meiosis do synapsis and crossing over occur
✓ ~~~Prophase I
The enzymes of the citric acid cycle are located in the
✓ ~~~matrix of the mitochondria
Eukaryotic cells spend most of their cell cycle in which phase?
✓ ~~~Interphase
What is the basic difference between exergonic and endergonic reactions?
✓ ~~~exergonic reactions release energy; endergonic reactions absorb it.
As a result of glycolysis there is a net gain of ______ ATP(s).
, ✓ ~~~2
Certain cells that line the stomach synthesize a digestive enzyme and secrete it into
the stomach. This enzyme is a protein. Which of the following processes could be
responsible for its secretion?
✓ ~~~exocytosis
A child is brought to the hospital with a fever of 107*F. Doctors immediately order
and ice bath to lower the child's temperature. Which of the following statements
offers the most logical explanation for this action?
✓ ~~~elevated body temperatures may denature enzymes. This would interfere with the
cell's abilities to catalyze various reactions.
In photosynthesis, the chemiosmotic production of ATP
✓ ~~~is similar to the production of ATP in mitochondria
Which of the following statements regarding the cell cycle control system is false?
✓ ~~~the cell cycle control system operates independently of the growth factors
the addition of oxygen instead of carbon dioxide to RuBP results in
✓ ~~~photorespiration
In most green plants, chloroplasts are
✓ ~~~concentrated in mesophyll cells
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