Which phrase best describes the result of meiosis?
a. the generation of four haploid cells
b. the generation of four diploid cells
c. the generation of two diploid cells and two haploid cells
d. the generation of two diploid cells
Answer: a. the generation of four haploid cells
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Once an amino acid has been attached to the appropriate tRNA, the tRNA is called a(n) ________, and the amino acid is said to be ________.
Fill in the blank(s) with the appropriate word(s).
Elongated photosynthetic cells attached to the upper epidermis in leaves are called ________
a. pericycle b. epidermal cells c. palisade mesophyll d. spongy mesophyll
Which of the following is NOT contained in
gastric fluids?
a. acid b. mucus c. pepsin d. salivary amylase e. all of these are contained in gastric fluids
A friend of yours appears to have put on a lot of muscle very quickly. At the same time, you notice that your friend seems to have a lot of mood swings and appears depressed
It is reasonable for you to suspect that your friend has begun to take ________. A) amino acid supplements B) creatine C) protein powder D) an anabolic steroid