Sperm-carrying fluid from the human male is
A. called semen.
B. released on a twenty-eight-day cycle (approximately).
C. stored in the urinary bladder.
D. described by two of these answers.
A. called semen.
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The ribosomes
A. move along the tRNA in a 3'-5' direction. B. move along the mRNA in a 5'-3' direction. C. move along the DNA in a 5'-3' direction. D. provide a platform that brings the amino acids into a favorable position for joining. E. move along the mRNA in a 5'-3' direction AND provide a platform that brings the amino acids into a favorable position for joining.
A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees. She explains that the fungal hyphae of her research organism is heterokaryotic. You raise your hand and request that she define that word. Her correct response is
A. heterokaryotic means that the nuclei of the fungal hyphae are genetically the same. B. heterokaryotic means that the nuclei of each compartment of the hyphae are genetically distinct. C. heterokaryotic means that each compartment of the hyphae contain two distinct nuclei. D. heterokaryotic means that each compartment of the hyphae contains only one nucleus.
The figure below illustrates a __________ reaction
that produces a __________. a. condensation; hydroxyls; polymer b. condensation; water molecule c. cleavage; water molecules; monomer d. rearrangement; water molecules; polymer e. rearrangement; hydrogen ions; polymer
In the creation of a DNA profile, what type of DNA is used?
A. Microsatellites D. Transposons B. Short tandem repeats E. Fragment length polymorphisms C. Introns