Biology, 23.06.2019 17:00 mayachojnicki
78% of earth's atmosphere is nitrogen gas. all living things need nitrogen as a part of dna and rna. yet you and i, and other living things, cannot use the nitrogen in our atmosphere directly. one type of organism is responsible for "fixing" nitrogen or to put it in a form so other living things can use it. that organism is
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Biology, 22.06.2019 05:00
A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?
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Biology, 22.06.2019 13:10
Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
Answers: 2
Biology, 22.06.2019 19:30
Using the gas pedal analogy explain the impact on the cell cycle of one mutated tumor suppressor gene allele versus two mutated tumor suppressor alleles
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78% of earth's atmosphere is nitrogen gas. all living things need nitrogen as a part of dna and rna....
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