The most notable difference between PrPC (normal protein) and PrPSc (prion protein) is ________.
A. PrPc folds appropriately whereas PrPSc does not fold correctly
B. PrPC causes a cell to undergo rapid apoptosis
C. PrPC is a much longer polypeptide chain, compared to PrPSc
D. PrPc is a functional glycolytic enzyme whereas PrPSc is nonfunctional
Answer: A
You might also like to view...
Which of the following statements is not true about phloem transport of sugars?
A. Active transporters move the sucrose into the phloem. B. Removing sugars from phloem increases turgor pressure at the sink. C. Increased sugar concentration causes water to flow into the sieve tube. D. Sugars are transported out of the phloem at the sink. E. Loading of sugars at the source is powered by ATP.
In A. thaliana, genes encoding proteins involved in secondary cell wall development are regulated by an average of
five different ____.
a. tissues b. lignins c. transcription factors d. ribosomes e. genes
For the following questions, choose the letter from the list below that best matches the description (please note the answer should be a single uppercase letter):A. desertB. savannaC. taigaD. temperate grasslandE. tropical rain forestSpruce, fir; moose; deep snow, brief summer; vast sameness; marshes, lakes, and ponds.
Fill in the blank(s) with the appropriate word(s).
During which phase of the mitotic cell cycle does assembly of spindle apparatus occur?
A) prophase B) anaphase C) telophase D) metaphase E) interphase