Suppose that a person is on a diet of primarily grains. Which two amino acids would such a diet likely be deficient in?
a. valine and lysine
b. methionine and lysine
c. isoleucine and lysine
d. methionine and tryptophan
Answer: c. isoleucine and lysine
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The part of the cell cycle that is preparation for cell division and that precedes mitosis is called ________
Fill in the blank(s) with correct word
Which of the following is not a type of tissue found in an animal?
A. ground B. connective C. epithelial D. muscle
Which of the following would NOT be true of
CAM plants?
a. they fix carbon only once b. they live in a desert environments c. they fix carbon during the day and at night d. they open stomata only at night e. they do not use rubisco
Mutations in an exon region of a gene are most likely to _____
a. prevent mRNA from being synthesized b. trap mRNA inside the nucleus c. prevent mRNA from being recognized by the ribosome d. prevent mRNA from being post-transcriptionally modified e. alter the amino acid sequence