Which of the following is the best light for plant
growth according to the results of Engelmann’s
investigation?
a. blue
b. green
c. yellow
d. orange
e. mostly violet with some red
Answer: e
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If the progeny of a mating of pea plants have the following ratios 1342 smooth seed/green pod, 447 wrinkled seed/yellow pod, 429 smooth seed/ yellow pod, 1361 wrinkled seed/green pod what are the genotypes of the parents?
A. Parent 1: Homozygous for seed shape and pod colorParent 2: Heterozygous for seed shape and homozygous for pod color B. Both parents are heterozygous for seed shape and pod color C. Parent 1: Heterozygous for seed shape and pod colorParent 2: Homozygous seed shape and heterozygous for pod color D. Parent 1: Heterozygous for both seed shape and pod color Parent 2: Homozygous for both seed shape and pod color
Which component of the accompanying scenario would be considered the compensatory response?
a. release of insulin b. glycogen and fat synthesis c. potassium ion channel d. increased glucose levels e. liver and muscle
The movement of auxin downward from its site of production is referred to as:
a. gravitropism. b. apical dominance. c. nonpolar transport. d. polar transport. e. turgor movement.
The information within the central squares of a Punnett square represents
A. parental genotypes. B. parental gametes. C. offspring genotypes. D. gamete phenotypes.