Which one of the following discoveries involving dna happened first? a. griffith learned that a chemical changed harmless cells into harmful cells. b. chargaff discovered that base pairing was consistent in samples of dna. c. hershey and chase used bacteriophages to confirm that dna was the genetic material in genes. d. avery discovered that dna was responsible for storing and passing information through generations.
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Biology, 22.06.2019 03:30
State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)
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Biology, 22.06.2019 08:00
This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.
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Biology, 22.06.2019 09:00
Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia
Answers: 1
Which one of the following discoveries involving dna happened first? a. griffith learned that a che...
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