Chromosomes are made of ___.
What will be an ideal response?
DNA
Biology & Microbiology
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Secondary immune responses upon a second exposure to a pathogen are due to the activation of _____
A) memory cells B) macrophages C) stem cells D) B cells E) T cells
Biology & Microbiology
Once activated, what do plasma cells do to overcome infection?
What will be an ideal response?
Biology & Microbiology
Which nucleotide is added to the end of a completed messenger RNA transcript?
a. adenine b. thymine c. cytosine d. guanine e. alternating adenine and thymine
Biology & Microbiology
Eukaryotic cell mRNA transcripts can remain in the cell for hours because they are
A. isolated. B. analogous. C. long. D. stable.
Biology & Microbiology