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Clathrin-coated vesicles bud from eukaryotic plasma membrane fragments when adaptins, clathrin, and dynamin-GTP are added.
A. adaptins were omitted
B. Clathrin was omitted
C. Dynamin was omitted
D. Prokaryotic membrane fragments were used
Viruses are the ultimate scavenger-a necessary consequence of their small genomes. Wherever possible they make use of the cell's machinery to accomplish the steps involved in their own reproductions. Many different viruses have membrane coverings. These so-called enveloped viruses gain access to the cytosol by fusing with a cell membrane. Why do you suppose that each of these viruses encodes its own special fusion protein, rather than making use of a cell's SNAREs?
Write a general formula for a-amino acids and draw the actual formulae for any two named amino acids you choose. What is a peptide bond? Show, with formulae, how such a bond forms a link between two amino acids. Distinguish between L- and D-amino ..
Consider this reaction from lactic acid fermentation, in the forward direction only: pyruvate + NADH + H+ ? lactic acid + NAD+ Answer and briefly explain.
Describe why asexually reproducing organisms are generally found in environments that do not change very much through time, while sexually reproducing organisms are very successful in environments.
why is there a need to produce Okazaki fragments on the lagging strand, but not on the leading strand of DNA?
What is the consequence of administering a hypothetical drug which dilates blood vessels in the periphery without directly affecting other tissues?
Which of these biomes is characterized by little rainfall? A) temperate broadleaf forest B) coniferous forest C) desert D) temperate grassland E) tropical rain forest.
A patient has a dead space of 150 mL, functional residual capacity of 3 L, tidal volume of 650 mL, expiratory reserve volume of 1.5 L, total lung capacity of 8 L.
Some key differences between the processes of replication and transcription include.
How do materials enter and exit the nucleus? What are participating proteins?
For each of the three molecules water, oxygen, and carbon dioxide describe the context of its production or consumption in photosynthesis or respiration.
How would you achieve the same g force with two rotors, one with a radius that is longer than the other? Show your calculation or equation set up.
What happens to the wave-front pattern as the source speed is increased beyond the wave speed?
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