Vaccinations against chicken pox provide individuals with ____ immunity
a. active natural
b. active artificial
c. passive natural
d. passive artificial
e. cell-mediated
b
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What is the minimum number of aminoacyl-tRNA synthetase enzymes needed to attach amino acids to all the various tRNA molecules?
A. 20 B. As many enzymes as there are different tRNAs are necessary. C. 61 D. 64
During the citric acid cycle, the production of CO2 is a(n) _____ reaction coupled to the production of ____________
A. oxidation; NADH B. oxidation; ATP C. reduction;, NADH D. reduction; ATP E. oxidation; GTP
In certain Latin American countries during periods of political volatility, children were removed from their families and their parents were executed (then referred to as being "disappeared")
The methods with the best chance of reuniting those children with members of their extended family have used mtDNA matching. Why and how? A) Remains of the children's mothers can be used to match their mtDNA with that of their children. B) Children's mitochondria will have genomes that are 1/4 identical to each of their grandparents. C) Children's mitochondria will have genomes that are 1/2 identical to their maternal grandparents. D) Children's mitochondria will have genomes that are identical to those of their maternal grandmothers. E) Children's mtDNA will be identical to those of their first cousins.
Which of the following provides the shape of the prokaryotic cell and protection from osmotic pressure
What will be an ideal response?