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
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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
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
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.
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