Which of the following statements is true regarding polyploidy in plants?
A. Autopolyploids are thought to be derived
from plants of the same species.
B. Allopolyploids are thought to be derived
from plants of the same species.
C. Polyploidy is more likely to be seen in
mammals than plants.
D. Hybridization events between plants
cannot result in an alteration of chromosomal
number.
A
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As a microbiologist you have been asked to investigate the regulation of a novel gene in a bacterial species. Given what is known about bacteria, the logical place to begin your investigation is
A. transcriptional regulation. B. translational regulation. C. alternative splicing regulation. D. regulation by enhancer elements. E. regulation by general transcription factors. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about gene regulation in bacteria? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following is an advantage of molecular pharming?
A. Proteins are more likely to function properly when expressed in bacteria. B. Certain proteins may be degraded rapidly when expressed in mammals. C. The yield of recombinant proteins in mammalian milk is quite large. D. Post-translational modifications do not occur in mammals. E. Proteins are more stable when expressed in bacteria.
If a species has 42 pairs of chromosomes, which value represents the number of combinations of
maternal and paternal chromosome combinations that will be sorted to the poles?
a. 422 b. 242 c. 221 d. 212 e. 842
When proteins and fats are used as energy sources, their breakdown subunits enter
a. glycolysis. b. electron transport. c. the Krebs cycle. d. chemiosmosis. e. fermentation