Blood typing is often used as evidence in paternity cases in court. In one case, the mother had blood type B and the child had blood type O. Which of the following blood types could the father NOT have?
A) B B) A C) AB D) O
C
Biology & Microbiology
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Which of the following scenarios leads to the highest level of lac operon expression?
A. high glucose levels, lactose absent B. low glucose levels, lactose absent C. high glucose levels, lactose present D. low glucose levels, lactose present
Biology & Microbiology
Many microbes use pyruvate carboxylase or phosphoenolpyruvate carboxylase to
A. to synthesize glucose. B. to synthesize amino acids. C. to synthesize oxaloacetate. D. to synthesize acetyl-CoA.
Biology & Microbiology
A method of ranking individuals from highest to lowest is
A. imprinting. B. territorial behavior. C. dominance hierarchy. D. ethology.
Biology & Microbiology
According to the accompanying figure, which of the following are large enough to see in the light microscope?
A) atoms
B) proteins
C) viruses
D) mitochondria
Biology & Microbiology