The process often referred to as "cellular eating" is
A. osmosis.
B. phagocytosis.
C. diffusion.
D. active transport.
E. pinocytosis.
Answer: B
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Is reverse transcriptase a RNA-dependent DNA polymerase, or a DNA-dependent DNA polymerase?
A. It is a DNA-dependent DNA polymerase B. It is a RNA-dependent DNA polymerase. C. It is both a a DNA-dependent DNA polymerase and a RNA-dependent DNA polymerase. D. It is neither, reverse transcriptase is actually a DNA-dependent RNA polymerase.
Naturally occurring unsaturated fatty acids typically
A) are highly branched. B) are omega-3 fatty acids. C) contain double bonds primarily in the trans configuration. D) contain double bonds primarily in the cis configuration. E) contain an odd number of carbon atoms.
You have crossed two Mexican hairless dogs, and the offspring are 1/3 hairy and 2/3 hairless. Given this phenotypic ratio, draw the Punnett square for this cross
What are the genotypes of the P1 and F1 dogs in this cross? List the predicted genotype as well as the phenotype for each of the offspring. Which genotypes are hairless, and which are hairy? Can you design a genetic cross that would yield a true-breeding hairless line (where all offspring are hairless)?
Two aqueous solutions are separated by a selectively permeable membrane that allows water to pass through but does not allow starch to pass through. Solution A is 10% starch and solution B is 5% starch. What will occur?
A) Water will diffuse from solution A to solution B. B) Both water and starch will diffuse from solution B to solution A. C) Starch will diffuse from solution A to solution B. D) Water will diffuse from solution B to solution A. E) Starch will diffuse from solution B to solution A.