Which one of the following discoveries involving dna happened first? a. avery discovered that dna was responsible for storing and passing information through generations. b. griffith learned that a chemical changed harmless cells into harmful cells. c. chargaff discovered that base pairing was consistent in samples of dna. d. hershey and chase used bacteriophages to confirm that dna was the genetic material in genes.
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Biology, 21.06.2019 23:00, Jenniferlam12
What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid
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What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid
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Biology, 22.06.2019 15:30, mrojas1011
Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species
Answers: 1
Which one of the following discoveries involving dna happened first? a. avery discovered that dna w...
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