Lactose is a(n)
A) ribose.
B) monosaccharide.
C) oligosaccharide.
D) polysaccharide.
E) starch.
C
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Among the largest RNA genome viruses are ________ which contain a ________ genome
A) coronaviruses / dsRNA B) coronaviruses / positive ssRNA C) polioviruses / dsRNA D) polioviruses / positive ssRNA
What event results from the hydrolysis of ATP to ADP by the myosin head?
A. cross-bridge formation B. shortening of the muscle fiber C. cocking of myosin head to its high-energy position D. the power stroke
Which statement about triglycerides is true?
a. Triglycerides are made of glycerol and three fatty acids. b. Triglycerides provide short-term energy storage. c. Triglycerides can be broken down but not made. d. Triglycerides are recycled from amino acids.
Natural selection ________
A) works on populations, but its long-term effect is rendered on individuals B) works on individuals, but its long-term effect is rendered on populations C) can work only on populations of genetically identical individuals D) works regardless of the amount of genetic variability in populations