Normal microbiota are responsible for all of the following except
A) helping us digest foods.
B) impacting our moods and brain functions.
C) producing vitamins for us.
D) training our immune system.
E) controlling epigenetic expression.
Answer: E
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The ras proto-oncogene family is a group of related genes that slow or stop the progression of cancer
a. True b. False
If recombination frequency is equal to distance in map units, what is the approximate distance between genes A and B?
A) 3 map units B) 6 map units C) 15 map units D) 30 map units
When hermit crabs crawl across the ocean floor, they often have sea anemones attached to their backs. The anemones use their dangerous tentacles to keep hermit crab predators at bay, and they dine on the particles of food that the crab does not eat. This
is an example of A) bioremediation. B) alternation of generations. C) symbiosis. D) endosymbiosis.
The ________ is a modified form of endoplasmic reticulum that stores and releases calcium ions when a muscle contracts
Fill in the blank(s) with correct word