Biology, 28.07.2019 17:10 VamLS6316

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.

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 01:00, Samuelgamboe

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Answers: 2

continue

Biology, 22.06.2019 05:30, JoJo3671

Which statement describe events that occur during interphase?

Answers: 2

continue

Biology, 22.06.2019 09:30, mckeeshallea400

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Answers: 1

continue

Biology, 22.06.2019 12:00, ashiteru123

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.

Answers: 2

continue

You know the right answer?

Which one of the following discoveries involving dna happened first? a. avery discovered that dna w...