DNA carries genetic information in its
A) sequence of bases.
B) helical form.
C) tertiary structure.
D) phosphate groups.
E) sugar groups.
A
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In horses, there are four alleles at the A locus. Arranged in dominance sequence they are:A
(wild), ab (bay), ac (brown), ad (black) If you bred several bay mares whose sires were brown to a brown stallion whose sire was black, what are the genotypes of the parents; what type of offspring would be produced; and in what proportion? What will be an ideal response?
When a pigment molecule absorbs light energy,
a. it becomes more stable. b. it may gain an electron. c. an electron from an inner energy level may move to another level. d. an electron from an outer energy level may move to an inner level. e. a proton may be ejected from the nucleus of the atom.
During mammalian development, a
A) blastula becomes a zygote. B) morula becomes gastrula. C) zygote becomes a blastula. D) gastrula becomes a morula. E) morula becomes a blastula.
The Glutamate Hypothesis was proposed by an observation of PCP intoxication. PCP blocks (A)______ receptor, thus it inhibits (B)_____ influx. The PCP intoxication is accompanied by (C)___________ like symptom.
a. (A) NMDA (B) Na+ and Ca2+ (C) schizophrenia b. (A) NMDA (B) Na+ and Ca2+ (C) major depression c. (A) AMPA (B) Na+ (C) schizophrenia d. (A) AMPA (B) Na+ (C) major depression