The twisted ladder shape of DNA is a result of the covalently bonded building blocks called
A. sterols.
B. nucleotides.
C. amino acids.
D. monosaccharides.
E. phospholipids.
B. nucleotides.
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A trait that confers a greater level of fitness, relative to those who lack it, is called a(n) ________
A) adaptation B) mutation C) variation D) allele E) None of the above.
When looking at the MN blood group with three alleles, how many degrees of freedom will be used to compare observed versus expected results?
What will be an ideal response?
Pollination is the arrival of pollen on the _________.
A. corolla of another flower B. stigma of a seed plant C. stamen of a neighboring flower D. pistil of a plant a distance away E. female gametophyte
At the end of this experiment two layers are formed in the tube. Where will the DNA be?
A) In the aqueous mixture at the bottom of the tube. B) At the interface between the two layers. C) In the alcohol layer at the top of the tube.