Sustained contraction is called  

A.  twitching.
B.  summation.
C.  recruitment.
D.  isometric binding.
E.  tetanus.


E.  tetanus.

Biology & Microbiology

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The lower neck of the uterus, which opens into the vagina, is called the ____________________. Fill in the blank(s) with the appropriate word(s)

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Which protein binds to the silencer sequence and promotes transcriptional silencing in the presence of glucose?

A) Gal2 B) Mig1 C) Gal4 D) Gal10 E) Gal80

Biology & Microbiology

The root of a carrot serves as

A. Only a translocation sink B. Only a translocation source C. Both a translocation source and sink D. Only a transpiration source

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Suppose one strand of a "mini-gene" has the base sequence TACCCGGATTCA. If we assume no introns are involved, how many amino acids does the polypeptide encoded by this gene have?

A) 12 B) 6 C) 2 D) 4

Biology & Microbiology