Who was the student in Morgan's laboratory who first realized that the sequence of genes could be determined by Morgan's proposal that two genes located relatively close to each other are less likely to form chiasma between them than if the two genes
were relatively far apart?
A) Barbara McClintock
B) Charles Darwin
C) A. H. Sturtevant
D) Gregor Mendel
E) Thomas Hunt
Answer: C
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Sponges are ____
a. herbivores b. filter feeders c. scavengers d. predators e. carnivores
The cell wall
a. provides physical support for plant cells. b. controls the transport of materials out of the cell. c. replaces the plasma membrane in plant cells. d. is found in all eukaryotes. e. prevents the transport of toxic substances into the plant cells.
The process by which light energy is converted into the stored chemical energy of organic moleculesis:a
photosynthesis. b. respiration. c. diffusion. d. fermentation. e. endocysis.
What is the fate of the prophage during the lysogenic stage?
a. It is released from the cell by lysing the cell. b. It is copied every time the host DNA replicates. c. It is packaged into viral proteins and maintained until the host is exposed to an environmental stress. d. It is degraded by the activity of host defense enzymes.