During photosynthesis plants make glucose (C6H12O6) from CO2 and water using light. This is an example of:
a. endothermic reaction
b. endergonic reaction
c. a decrease in entropy
d. non-spontaneous reaction
e. all the above
Answer: e. all the above
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The Tat system is involved in
A) protein synthesis. B) transcriptional initiation. C) protein folding. D) protein secretion.
Cilia and flagella are comprised of a(n) ________ connected to a(n) ________.
Fill in the blank(s) with the appropriate word(s).
An enucleated egg cell ________
A) contains an extra copy of a gene B) has two nuclei C) lacks a nucleus D) cannot be used for cloning E) is a type of stem cell
Examination of a woody stem reveals that some tissues are dead at maturity. These dead tissues are
A) secondary xylem and secondary phloem. B) primary phloem and periderm. C) cork and heartwood. D) vascular cambium and primary phloem. E) sapwood and bark.