Each of the following plays a role in the recycling of proteins in a cell except ________.

A. ATP
B. ubiquitin
C. proteasomes
D. clathrin


Answer: D

Biology & Microbiology

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Evolution is the result of selecting only those mutations that result in an increased reproductive success

Indicate whether the statement is true or false

Biology & Microbiology

When only one nucleotide base is involved in a mutation, this is called 

A. chromosomal mutation. B. template error. C. point mutation. D. nonsense codon.

Biology & Microbiology

A research made an interesting observation about a protein made by the rough ER and eventually found in a cell's plasma membrane. The protein in the plasma membrane was actually slightly different from the protein made in the ER. The protein was probably altered in the _____.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Organisms categorized as osmoconformers are most likely _____

A) found in freshwater lakes and streams B) marine C) amphibious D) found in arid terrestrial environments E) found in terrestrial environments with adequate moisture

Biology & Microbiology