Which term(s) refer(s) to bacterial morphology?
A. Bacillus
B.
Coccus
C.
Polyhedral
D.
Coccus AND Bacillus
D
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Proteins made by a ribosome reading through a transcript's stop codon without their own discrete ribosome binding sites
A) are thought to be a primitive mechanism to avoid host defenses. B) appear most abundant in archaeal viruses and relatively uncommon in bacteriophage. C) suggest a relatively low level of protein product is essential for the virus due to its rare frequency. D) create opportunities for viruses to make different capsid proteins.
In Thomas Hunt Morgan's experiments, males had white eyes but females did not. What cross could you perform with his flies to obtain white-eyed females?
A. cross the F1 offspring to each other. B. cross an F1 female to a white-eyed male. C. cross an F2 female with an F1 male. D. cross an F2 female with a white-eyed male. E. crossing either the F1 or F2 females with a white-eyed male will produce some white-eyed females.
Which is true about mitochondria?
A) The mitochondrial genome is circular in all species. B) Mitochondria are found in all eukaryotic cells, except those with chloroplasts. C) Mitochondrial genomes vary in length from 6 kb to 2400 kb. D) Translation in mitochondria utilizes the universal genetic code.
The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the phase of the cell cycle where the green arrow is pointing?
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A. At this point in the cycle the cell is continuing to grow and make abundant tubulin proteins. B. At this point in the cell cycle, the cell has determined that the DNA is intact and environmental conditions are favorable for DNA replication. C. At this point in the cell cycle, DNA has already been replicated correctly and the cell is preparing for mitosis. D. At this point in the cycle the cell is determining if environmental conditions are favorable for growth and proliferation. E. At this point in the cell cycle, chromosomes have properly aligned on the metaphase plate and are beginning to separate.