Which of the following statements about the unfolded protein response (UPR) is false?
(a) Activation of the UPR results in the production of more ER membrane.
(b) Activation of the UPR results in the production of more chaperone proteins.
(c) Activation of the UPR occurs when receptors in the cytoplasm sense misfolded proteins.
(d) Activation of the UPR results in the cytoplasmic activation of gene regulatory proteins.
(c) The receptors for the unfolded proteins are on the ER membrane, and they sense the misfolded proteins using their luminal domains.
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Which of the following animals is an ectotherm?
A) human B) parrot C) spiny lobster D) field mouse
Evolution can be defined as
A) one species diverging into two species. B) a change in the genetic makeup of a population over time. C) a change in the phenotype of an individual over his or her lifetime. D) a change in the genetic makeup of an organism over time. E) an individual changing into another species.
When "matching" a donated organ or tissue to a recipient, it is necessary that the ________ of the donor and the recipient be as similar as possible
A) blood type B) T helper cells C) antibodies D) APCs E) MHCs
In a genotype with complete penetrance, less than 100% of individuals with a particular genotype exhibit the expected phenotype
Indicate whether the statement is true or false