Which of the following correctly describes bases that pair with each other in the DNA double helix?
A. Adenine bonds with guanine.
B. Guanine bonds with thymine.
C. Thymine bonds with cytosine.
D. Cytosine bonds with guanine
E. Guanine bonds with thymine.
D. Cytosine bonds with guanine
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The Calvin cycle includes 15 enzymes, most of which are involved in __________
A. RuBP carboxylation B. RuBP regeneration C. reduction D. starch synthesis E. ATP synthesis
For the purposes of this question, assume that being Rh+ is a consequence of D and that Rh- individuals are dd. The ability to taste phenylthiocarbamide (PTC) is determined by the gene symbolized T (tt are nontasters)
A female whose mother was Rh- has the MN blood group, is Rh+, and a nontaster of PTC, and is married to a man who is MM, Rh-, and a nontaster. List the possible genotypes of their children. Assume that all the loci discussed in this problem are autosomal and independently assorting.
Which of the following rows is a correct match?
A. Row 1
B. Row 2
C. Row 3
D. Row 4
Which process leads to a net movement of uncharged molecules from a low concentration to a higher concentration?
a. active transport b. osmosis c. facilitated diffusion d. exocytosis