Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?
a. mRNA
b. RNA polymerase
c. rRNA
d. tRNA
Answer: a. mRNA
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Primordial germ cells can be found in the ________ of the developing female embryo
A) yolk sac B) chorion C) allantois D) placenta
Which of these substances plays a major role in regulating potassium ions?
A. ADH B. atrial natriuretic factor C. renin D. aldosterone E. angiotensin I
Blocking potassium ion channels in a mammalian cell membrane would __________.
A) increase the resting potential B) decrease the magnitude of the membrane potential C) decrease sodium's equilibrium potential D) increase the magnitude of the membrane potential E) increase potassium's equilibrium potential
According to data from the Human Genome Project, 98.9% of the human genome is composed of ____________________ DNA sequences
Fill in the blank(s) with correct word