The union of the sperm and the egg that results in a cell with 46 chromosomes is called a(n) ________

A) embryo B) zygote C) trophoblast D) fetus


Answer: B

Biology & Microbiology

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Which of the following statements regarding CAM plants is true?

A) Stomata are open during the day. B) Malate is stored in large vacuoles. C) CO2 is transported directly into mesophyll cells. D) They assimilate 25% less CO2 than C3 plants. E) both choices B and C

Biology & Microbiology

A bone marrow transplant is an example of a stem cell therapy using adult stem cells

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

A male has a genetic disease coded for on his Y chromosome. This disease has been seen in his family in past generations. Which parent passed on this trait?

A) the mom B) the dad C) either the mom or dad D) neither parent — it is a spontaneous mutation

Biology & Microbiology

Nitogen Fixing Bacteria

What will be an ideal response?

Biology & Microbiology