Each DNA nucleotide is made up of
a. a six-carbon sugar, a phosphate group, and one of twenty amino acids.
b. a five-carbon sugar, a nitrogenous base, and one of twenty amino acids.
c. a five-carbon sugar, a phosphate group, and one of four nitrogenous bases.
d. a six-carbon sugar, a nitrogenous base, and one of four amino acids.
e. a five-carbon sugar, a phosphate group, and one of four amino acids.
C
You might also like to view...
Once the embryo has implanted, the inner cell mass becomes
a. the neural tube. b. somites. c. the embryonic disk. d. the coelom. e. the neural plate.
According to the sliding-filament model of muscle contraction, a sarcomere contracts when its ________
A) thick filaments slide across the ends of the sarcomere B) thin filaments slide across the ends of the sarcomere C) thin and thick filaments slide further away from each other D) thin and thick filaments slide past each other to get closer together
Northern coniferous forests, characterized by long, cold winters and conifers with short needles, are the largest terrestrial biome
Indicate whether the statement is true or false
In Southern blotting, DNA molecules are immobilized on
A. silicon chips. B. nitrocellulose membranes. C. agarose. D. gold beads. E. paper.