Which of the following designations indicates a sex-linked trait?
A. XB
B. A
C. IA
D. i
E. a
Answer: A
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Which one of the following characteristics of steroid hormones is not shared by nonsteroid hormones?
A. Hormones activate the transcription of particular genes in response to system requirements. B. Hormones bind to hormone receptors. C. Responsiveness to hormones can be cell- or tissue-specific. D. The hormone crosses the plasma membrane.
During which phase of aerobic respiration is
FADH2 produced? a. glycolysis b. ethanol production c. acetyl-CoA formation d. the Krebs cycle e. glycolysis and the Krebs Cycle
A baseball player leaping for a baseball and a cricket jumping away from a frog are both using ________. I) sensory receptors II) the central nervous system III) a muscle system
A) I only B) II only C) III only D) I, II, and III
Mesophyll tissue is part of the root system of a plant.
Answer the following statement true (T) or false (F)