What normal process is blocked by cleavage and inhibition of SNARE proteins?
A.) budding of vesicles from the ER
B.) fusion of vesicles with target membranes
C.) entry of proteins with ER signal sequence into the ER luman
D.) docking of vesicles to target membranes
Ans: B.) fusion of vesicles with target membranes
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What is the most likely way a mutation in one gene can convert one body part to another?
A) The mutated gene encodes a protein that affects the expression of many other genes. B) The mutated gene encodes a protein that determines cell shape. C) The mutation is in a structural gene and results in production of more protein than usual. D) A mutation in only one gene cannot convert one body part to another.
According to the principle of interspecific competition, two species cannot continue to occupy the same __________.
Fill in the blank(s) with the appropriate word(s).
Ctenophores capture food by:
A. sticky mucus on their tentacles that capture small invertebrates. B. adhesive glue cells that trap prey. C. stinging hair cells that immobilize small invertebrates. D. digging through the bottom mud for small invertebrates. E. filter feeding
Who developed a rabies vaccine by separating bacteria from virus using a filter?
A. Leewonhoek B. Koch C. Pasteur D. Cohn