Traits that are controlled by several sets or pairs of alleles, such as skin color and height in humans, are the result of what form of inheritance?
A. codominance
B. polygenic
C. incomplete dominance
D. simple Mendelian inheritance
E. multiple allele systems
Answer: B. polygenic
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The second phase of glycolysis:
A. phosphorylates glucose. B. cleaves the phosphorylated glucose and rearranges the products. C. generates ATP by substrate level phosphorylation. D. reduces NAD+ to NADH. E. generates ATP by oxidative phosphorylation.
All of the following are true about the plasma membrane EXCEPT:
a. It forms the outer boundary of the cell. b. It contains genetic material. c. It is selectively permeable. d. It is composed of phospholipids.
Sea anemones and other cnidarians have
a. radial symmetry. b. a “nerve net.” c. tentacles. d. no centralized brain e. all of these.
The correct order of the layers of tissue from the outside of the digestive system toward the lumen is:
a. mucosa, submucosa, muscle layer, and visceral peritoneum. b. mucosa, visceral peritoneum, muscle layer, and submucosa. c. visceral peritoneum, muscle layer, submucosa, and mucosa. d. muscle layer, visceral peritoneum, mucosa, and submucosa. e. visceral peritoneum, mucosa, muscle layer, and submucosa.