The archegonia of ferns produce
A. sperm.
B. pollen.
C. eggs.
D. spores.
C. eggs.
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Once retroviral DNA is incorporated into the host genome, what happens to the newly transcribed RNA?
a. The RNA is translated into host proteins. b. The RNA is translated into viral proteins. c. The RNA serves as genetic material for new viruses. d. The RNA is reverse transcribed into double-stranded DNA. e. Some is translated into viral proteins and some serves as genetic material for new viruses.
Tracers are elements that
a. are used in minute amounts in plants. b. can be monitored through biochemical reactions. c. must be inert. d. have an unbalanced electrical charge. e. must have a stable nucleus
Which of the following builds up between the two
membranes of the mitochondria? a. pyruvate b. acetyl-CoA c. hydrogen ions d. electrons e. NADH
The significance of chromatin packaging of DNA includes
a) Physically fitting the genome into the nucleus b) Regulating regions of DNA that are transcriptionally active c) Positioning and maneuvering of DNA during mitosis and meiosis d) All of the above