The molecule that connects a growing polypeptide chain and mRNA is called:a

tRNA.
b. RNA polymerase.
c. rRNA.
d. a promoter.
e. a ribosome.


a

Biology & Microbiology

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One goal of pedigree analysis is to discover whether the gene in question is located on an X or a Y chromosome or on a(n) ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

The RNA copy of DNA that leaves the nucleus and travels to the cytoplasm to make proteins is

A. RNA polymerase. B. ribosomal RNA. C. tRNA. D. mRNA.

Biology & Microbiology

A typical long bone has an epiphysis at each end, which can be thought of as

A) yellow bone marrow. B) a cylindrical hollow shaft. C) a tough layer of connective tissue. D) a site of water storage. E) an enlarged knob.

Biology & Microbiology

The defensive mechanisms that target specific pathogens are called ____________ defenses. These responses involve the white blood cells called ____________ .

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology