In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like
A) an antenna.
B) a propeller on a motorboat.
C) a windmill.
D) a spring.
Answer: A
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A possible sequence of nucleotides in the template strand of DNA that would code for the polypeptide sequence phe-leu-ile-val would be _____
A) TTG-CTA-CAG-TAG B) AAC-GAC-GUC-AUA C) AUG-CTG-CAG-TAT D) AAA-AAT-ATA-ACA E) AAA-GAA-TAA-CAA
What is the difference between a linkage map and a physical map?
A) Markers are spaced by recombination frequency on a linkage map and by number of base pairs on a physical map. B) The ATCG order and sequence must be determined for a linkage map but not for a physical map. C) A linkage map shows how each gene is linked to every other gene, but a physical map does not. D) Distances must be calculable in units such as nanometers on a physical map but not on a linkage map. E) There is no difference between the two except in the type of pictorial representation.
When feces are not expelled regulary, additional water is absorbed from them. This may lead to a condition called_________
Fill in the blank(s) with the appropriate word(s).
List the structures involved in the production of semen and indicate their contribution.
What will be an ideal response?