Amniocentesis involves sampling
a. the fetus directly.
b. the fetal cells floating in the amniotic fluid.
c. sperm.
d. blood cells.
e. placental cells.
B
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The phase of the cell cycle in which it is carrying out its normal functions and getting read to divide is called
A) Anaphase B) Prophase C) Interphase D) Mitosis E) G2
A DNA copy of an mRNA molecule is called
A) dDNA. B) rDNA. C) mDNA. D) shDNA. E) cDNA.
Which pair is NOT matched correctly?
a. plant cell wall : cellulose b. intermediate filaments : tubulin c. microfilaments : actin d. cell membrane : phospholipid bilayer
Which list of muscle components is in the correct order from smallest to largest?
A) muscle, sarcomeres, myofibrils, muscle fibers B) sarcomeres, myofibrils, muscle fibers, muscle C) sarcomeres, myofibrils, muscle, muscle fibers D) myofibrils, muscle, sarcomeres, muscle fibers