To maintain adequate nutrition, animals require dietary access to certain amino acids. An amino acid that is not "essential" would be best described as one that _____
A) can be made by the animal's body from other substances
B) is not used by the animal in biosynthesis
C) must be ingested in the diet
D) is not readily absorbed by the gastrointestinal tract
E) is not found in many proteins
Answer: A
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Most human embryos that are aneuploid
A. result in Down's syndrome. B. result in sterility. C. are spontaneously aborted in the first trimester. D. can develop and survive to adulthood. E. are usually the result of increased nondisjunction in the gametes of older men.
Which compound is NOT soluble in water?
a. olive oil b. table salt c. sugar d. albumin e. sucrose
An experimental chemical has been shown to selectively cleave phosphodiester bonds. How would this affect a virus?
A. Fragment the genome B. Digest the capsid C. Dissociate the envelope D. Hydrolyze the protein coating E. Alter the host binding site
When comparing recombination rates between a dog with a genome size of 2410 Mb and a mustard weed with a genome size of 100 Mb, which would you expect to have a larger recombination rate per kilobase? Explain your answer
What will be an ideal response?