What kinds of proteins are usually recognized by the cap of a proteasome?

a) proteins with a single ubiquitin
b) naked proteins
c) precipitated proteins
d) polyubiquitinated proteins
e) lysinated proteins


Ans: d) polyubiquitinated proteins

Biology & Microbiology

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The main difference between a mature zygospore and a young zygospore is that the young zygospore is:

a. haploid b. equivalent to a fruiting body c. diploid d. dikaryotic e. fertilized

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Nodules found on the roots of some plants are involved in supplying which element for the plant?

a. aluminum b. boron c. magnesium d. nitrogen e. chlorine

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The damage caused by ultraviolet radiation is

A) Repaired during transcription. B) Never repaired. C) Cut out and replaced. D) Repaired by DNA replication. E) Repaired during translation.

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At the start of translation, where is the initiator tRNA base paired with the start codon?

a. at the A site in the ribosome b. first at the A site in the ribosome, and then the E site in the ribosome c. first at the A site in the ribosome, and then the P site in the ribosome d. at the P site in the ribosome

Biology & Microbiology