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Think about a virus with a plus strand RNA genome 8 kb in length, which encodes eight proteins. Determine which of the following is a known mechanism for producing all eight proteins from this genome?
A. A single polyprotein is synthesized which is then processed by proteases to form 8 proteins
B. The RNA is cleaved into 8 fragments, each of which is translated into a different protein
C. Immediately upon entering the cells, the virion-associated viral RNA polymerase produces 8 subgenomic mRNAs from the plus strand RNA genome
D. There is no way to produce multiple proteins from a eukaryotic RNA
E. A and C
create a specific experiment to measure the rate of cellular respiration in an organism of your choice
A mammal uses only one to two percent of its energy in ventilation as a fish must spend about 15 percent of its energy to move water over its gills. Explain this huge difference in their efforts to collect oxygen.
Describe the significance of historical achievements in proving the role of microorganisms in human health and disease and maintaining health of the environment. Be sure to explain the current classification of microorganisms.
by a series of experiments with sterilized broth, Louis Pasteur disproved the idea of what?
Evaluate the sizes of the different digestive organs of the earthworm. Which organ is largest in the earthworm? How does its size make it well suited for its function.
If a transferrin receptor has a cross-sectional area of 50 Angstroms X 100 angstroms (5x10nm), and how many receptors could be accomodated in a 100nm clathrin-coated vesicle assume that only 50% of surface area can be occupied by proteins.
define in your own words how Christian Anfinsen's ribonuclease renaturation experiments showed that amino acid sequence determines tertiary structure.
A storm brings two formerly separated populations of beetles together. They look very similar. Under the biological species concept, which would show that the two populations are different species.
What is the dissimilarity between germline mutations, and somatic mutations which can be transferred and which is more severe also which sequence in these letters could be set up to because point mutation that would not affect a person severely seque..
Explain especially what happens to DCPIP and why and how. Explain results and purposes of each of the four tubes of solutions where the photosynthetic output of the Hill reaction was measured.
How a biologist would explain how ability to run fast evolved in cheetahs, assume their ancestors would only run 20 miles per hour. How various total depurinations in your body each day.
She was hospitalized on September 17. Thereafter she developed flaccid paralysis, had loss of mental acuity, and died on October 1. Serum collected on October 2 was negative for rabies antibody, but serum collected on September 25 had a 23 titer.
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