Shine–Dalgarno sequences are present in mRNAs of

A) prokaryotes.
B) eukaryotes.
C) humans.
D) plants.
E) both prokaryotes and eukaryotes.


Answer: A

Biology & Microbiology

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Aerobic respiration, anaerobic respiration, and fermentation are the three basic types of

A. chemoorganoautotrophic metabolism. B. photolithoautotrophic metabolism. C. chemolithoautotrophic metabolism. D. chemoorganoheterotrophic metabolism.

Biology & Microbiology

You make a knockout of a gene involved in neurological development, and find that the mice have malformed semicircular canals. Instead of being orthogonal (at right angles) to each other, they are parallel. What aberrant behavior might you see in these mice?  

A.  overeating B.  falling over C.  not startling to sudden noise D.  unable to respond to a call to locate another mouse E.  low muscle tone Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about semicircular canals? What other information is related to the question? Choose Answer Given what you now know, what information 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

Following a properly-performed Gram stain, gram-positive bacteria will appear as pink or red cells.

Answer the following statement true (T) or false (F)

Biology & Microbiology

What combination of the characteristics of Huntington's disease puzzled JBS Haldane?

What will be an ideal response?

Biology & Microbiology