What is a required input for the light-independent reactions?
a. NADPH
b. phosphoglyceric acid (PGA)
c. phosphoglyceraldehyde (PGAL)
d. glucose
e. ribulose bisphosphate
ANSWER: a
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Who originally identified a highly condensed structure in the interphase of nuclei?
A. Lyon B. Barr C. Ohno D. None of the answers are correct
Which method is utilized by eukaryotes to control their gene expression that is NOT used in bacteria?
A) control of chromatin remodeling B) control of RNA splicing C) transcriptional control D) control of both RNA splicing and chromatin remodeling
Which of the following statements about hormones initiating second messenger systems is (are) true?
a) A lipophilic hormone initiates the system by binding to a receptor on the cell membrane b) A single hormone molecule binding to a receptor can ultimately activate millions of proteins c) A G protein is considered to be the second messenger d) Both a and b are true e) Both b and c are true
What makes up a nucleotide?