Which of the following elements is most likely to carry a +1 charge in its ionic state?
A. Silicon
B. Barium
C. Argon
D. Nitrogen
E. Potassium
Ans: E. Potassium
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What type of thinking is required?
What will be an ideal response?
The graph in Figure 53-1 would best be described as:
a. being characteristic of exponential growth.
b. being characteristic of arithmetic growth.
c. an S-shaped curve.
d. a J-shaped curve.
e. being a J-shaped curve characteristic of exponential growth.
Photosynthesis occurs mainly in the leaf's:
a. subsidiary cells. b. bundle sheath extensions. c. palisade mesophyll. d. trichomes. e. vascular bundles
A cross between two pea plants produces a population of 732 purple and 268 white plants. What is the genotype and phenotype of the parents that produced this population?
A. both parents heterozygous purple B. one parent homozygous purple, second parent homozygous white C. one parent heterozygous purple, second parent heterozygous white D. one parent heterozygous purple, second parent homozygous white E. one parent homozygous purple, second parent heterozygous white