What is the term for gene regulation that occurs by removing introns and splicing together exons that will be sent to a ribosome?
a. epigenetic level of regulation
b. post-transcriptional level of regulation
c. translational level of regulation
d. post-translational level of regulation
b. post-transcriptional level of regulation
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Oxygen has an atomic mass of 16 and an atomic number of 8 . How many neutrons are present?
A. 8 B. 16 C. 4 D. 24
In angiosperms, the gametophyte generation:a
results from the fertilization of two gametes. b. is dominant. c. is nutritionally dependent on the sporophyte. d. produces gametes via meiosis. e. produces spores by mitosis
Signals from the _____excite motor neurons, resulting in action potentials in muscle fibers.
Fill in the blank(s) with the appropriate word(s).
A nutrition facts label from a fortified cereal states that in a single serving of cereal there is 8% of the percent daily value of the element phosphorous. The label also says that a single serving of cereal plus one-half cup of skim milk has 20% of the
percent daily value of phosphorus. Which of the following statements is false? A) A half-cup of skim milk contains 12% of the percent daily value of phosphorus. B) A half-cup of skim milk contains twice as much phosphorus as a serving of cereal. C) Eating five servings of cereal and two and a half cups of skim milk will give you 100% of the phosphorus that you need for one day. D) The amount of phosphorus in six servings of cereal is equal to the amount of phosphorus in two cups of skim milk.