While rock climbing, you encounter the plant shown in the photo on the right growing out of a crevice.

(a) Is this the sporophyte or the gametophyte?
(b) What special name is given to the leaf of this plant?


(a) Is this the sporophyte or the gametophyte? sporophyte
(b) What special name is given to the leaf of this plant? frond

Biology & Microbiology

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If a mutation prevented synthesis of the beta subunit of DNA pol III, which would be most affected?  

A.  DNA unwinding B.  formation of RNA primers C.  formation of the replication fork D.  processivity E.  removal of RNA primers Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about DNA polymerase?   Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Which of the following is NOT usually present during the icteric stage of viral hepatitis?

a. Hepatomegaly b. Elevated serum liver enzymes c. Esophageal varices d. Lighter-colored stools

Biology & Microbiology

The primary reason for the circularization of eukaryotic mRNA through the interaction of proteins bound at the 5' terminus and 3' poly(A) tail is to:

A. sequester unneeded transcripts. B. prevent the phosphorylation of eIF4G. C. ensure that the mRNA is fully processed before translation begins. D. None of the choices is correct.

Biology & Microbiology

Aseptic technique in obtaining clinical specimens is essential to ensure bacterial presence is due only to

a. normal flora. b. infection. c. contamination. d. none of the above.

Biology & Microbiology