Biology, 03.04.2020 21:56 gungamer720
Before Watson and Crick described DNA structure, Linus Pauling proposed a possible model with three strands of support running down the middle and the bases extending out the sides. How did Pauling's model differ from Watson and Crick's?A. He missed the number of support strands which was two rather than three. B. The support strands ran along the outside rather than down the center. C. The bases were paired in the middle rather than sticking out the sides. D. All of the choices describe how Pauling's model was different than Watson and Crick's model.
Answers: 2
Biology, 22.06.2019 00:50
Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems
Answers: 3
Biology, 22.06.2019 09:00
Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.
Answers: 1
Biology, 22.06.2019 19:20
16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next
Answers: 2
Before Watson and Crick described DNA structure, Linus Pauling proposed a possible model with three...
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