Biology, 20.10.2020 20:01 FlyToTheGalaxy
Which explains a difference between prokaryotic and eukaryotic gene reguation?
A. Eukaryotes utilize operons, so they do not need to produce sections of mRNA.
B. Prokaryotes do not have mRNA, so they do not have processes to degrade mRNA.
C. Eukaryotic gene regulation is controlled by more than one promoter and one regulator.
D. Prokaryotes process DNA in the nucleus, so genes do not need to be activated.
Answers: 2
Biology, 21.06.2019 18:30
Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine
Answers: 3
Biology, 21.06.2019 20:00
In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia
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Biology, 22.06.2019 10:00
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
Which explains a difference between prokaryotic and eukaryotic gene reguation?
A. Eukaryotes utiliz...
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