Name the individual who, while working with the garden pea in the mid-1850s, demonstrated quantitative patterns of heredity and developed a theory involving the behavior of hereditary factors
A) Barbara McClintock
B) Walter Sutton
C) George Wallace
D) Theodor Boveri
E) Gregor Mendel
Answer: E
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This is the name given to a negatively charged atom.
a) superoxide b) isotope c) catalyst d) anion e) cation.
The ___________________ deals with geological processes and carbon reservoirs, some of which have been built up (or take place) over a period of millennia
In contrast, the __________ involves biological processes that are carried out on a daily and/or seasonal basis. A. short-term carbon cycle; long-term carbon cycle B. long-term carbon cycle; short-term carbon cycle C. short-term carbon cycle; rapid carbon cycle D. long-term carbon cycle; intermediate carbon cycle
The reverse transcription of HIV RNA utilizes host cell tRNA as a primer. Specifically, a tRNA for lysine is utilized. Would a drug that blocked the host cell synthesis of the tRNA for lysine be a good drug to prevent the HIV life cycle?
A. Yes, it should stop the reverse transcription of the HIV genome with few side effects. B. No, the virus would just use a different tRNA for priming. C. No, this would likely kill the cells that were drug treated, because they couldn't appropriately incorporate lysine into their proteins D. No, the priming function of the tRNA is not essential for the HIV life cycle.
Phospholipids assemble spontaneously into bilayers driven by the attraction of their "tail" portions to each other and of their "head" portions to each other. The "head" portions are:
A) hydrophobic. B) composed of carbon-hydrogen chains. C) hydrophilic. D) nonpolar. E) directed away from intra- and extracellular fluid.