Small circular pieces of DNA that are found in the cytoplasm of a prokaryotic cell are called:
a. capsules
b. nucleoids
c. plasmids
d. ribosomes
c. plasmids
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Outside the protein sheath, many viruses have a(n) _______ made of protein, lipid, and carbohydrate.
Fill in the blank(s) with the appropriate word(s).
Which of the following primary immunodeficiencies is the most common?
A. Severe combined immunodeficiency B. Selective IgA deficiency C. Agammaglobulinemia D. Di George's syndrome
What is the sequence of the DNA synthesized in the sequencing reaction?
You performed a Sanger sequencing reaction and obtained the following read. In this figure, A = green, C = purple, G = black, T = red. The height of the peaks is unimportant. The smallest molecule is at the left of the trace.
A) 5' TTTGCTTTGTGAGCGGATAACAA 3'
B) 3' TTTGCTTTGTGAGCGGATAACAA 5'
C) 5' AAACGAAACACTCGCCTATTGTT 3'
D) 3' AAACGAAACACTCGCCTATTGTT 5'
What is the structure and function of the TATA box?
What will be an ideal response?