What is the new cell formed from the union of egg and sperm called and how many chromosomes does it have?
A. Zygote with 23 pairs of chromosomes
B. Egg with 46 chromosomes
C. Zygote with 23 chromosomes
D. Tetrad with 23 pairs of chromosomes
Answer: A
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Indicate whether this statement is true or false.
During skeletal muscle contraction, adjacent ________ are pulled closer together as the ________ between them shorten.
A. Z disks; A bands B. I bands; A bands C. A bands; I bands D. Z disks; M lines
Net diffusion of water down its own concentration gradient toward an area of higher solute concentration is known as ____________________
Fill in the blank(s) with correct word
Lying flat on one's stomach with the face pointing downward would be what position??
A) ?Supine B) ?Prone C) ?Extension