What is required to engineer a synthetic gut microbiome?
A. A collection of pure, live cultures
B. A set of complete DNA genomes
C. A fecal sample from a particularly healthy individual
D. A collection of 16S rRNA amplicons
Answer: A
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Which of the following best describes the relationship of insulin to glucagon?
A) They work together to prepare the body to deal with stress. B) Insulin stimulates the pancreas to secrete glucagon. C) High levels of insulin inhibit pancreatic secretion of glucagon. D) They are antagonistic hormones.
Which of the following is true about genes that are located on different chromosomes?
a. These genes are inherited independently of each other. b. Only the dominant alleles of these genes tend to be inherited together. c. These genes are always inherited together. d. These genes are more likely to undergo mutation. e. I don't know the answer.
The filtration of wastes from the blood using artificial devices because of failure or impairment of the kidneys is known as ________
Fill in the blank(s) with correct word
Why has finding an effective AIDS vaccine been so difficult?
A. Because it is caused by a virus. B. Because they have not yet isolated the virus that causes AIDS. C. Because the virus constantly mutates and so vaccines need to be made for all types. D. It is a sexually transmitted virus. E. The body does not make antibodies against the virus.