According to Mendel, if a male that is homozygous for the dominant form (PP) of a trait is crossed with a female that is
homozygous for the recessive (pp) form of a trait, all offspring will show the ____ form of the trait.
a. sex-linked
b. dominant
c. recessive
d. codominant
e. lethal
ANSWER: b
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Which of the following proteins isnot associated with the C-terminal domain of RNA polymerase II?
A. cap binding complex B. RNA-editing terminal uridylyl-transferase C. guanylyltransferase D. polyadenylation factors
Which component of plasma constitutes antibodies?
a. albumin b. dissolved gases c. fibrinogen d. hormones e. immunoglobulins
The immotile sperm develop motility in about 18 hours after arriving at the long, coiled tube called the
A. vas deferens B. seminiferous tubules C. epididymis D. testis
Which vein collects blood from the head, arms and chest?
a. inferior vena cava b. left pulmonary vein c. right pulmonary vein d. left pulmonary vein e. superior vena cava