DNA Review

The final proof as DNA as genetic material came from the experiment of

• Griffith

• Hershey and chase

• Avery, Mcleod, & McCarty

• Hargovind khorana

Bacteriophages are

• Viruses

• Bacteria

• Prions

• Viroids

Transformation is

• Formation of DNA from DNA

• Formation of mRNA from DNA

• Foreign DNA entryby Virus

• Genetic alteration of a cell

what bacteria did Griffith use in his experiment?

• e. coli

• pneumonia

• cholera

• strep

Why did mice die with R strain was mixed with heat killed S strain?

• the heat killed S strain took in the DNA of the R strain to become live S again

• the R strain took in the DNA of the heat killed S to become live S

• the live S strain took in the DNA of the R strain and became live R

Tags

NGSS.HS-LS3-2

The change in the characteristics/traits of an organism resulting from the uptake of foreign DNA

• transconfiguration

• transformation

• transcription

• translation

What did Griffith discover?

• DNA

• transformation

• bacteria

• cure for pneumonia

What type(s) of bacteria did Frederick Griffith work with? Select all that apply

• Heat-killed smooth pneumonia

• Smooth pneumonia

• Heat-killed rough pneumonia

• Rough pneumonia

In short, what is bacterial transformation?

• The process by which bacteria can pass genetic information to one another...even when dead

• The process of converting bacteria into viruses

• The process of converting viruses into bacteria

• The process by which bacteria turn pathogenic

In short, how did Avery's experiments differ from those of Griffith?

• Avery performed the same experiments but he selectively removed specific organic molecules each time to determine which of them was the transforming molecule.

• Avery used viruses instead of bacteria

• Avery performed very similar experiments but he infected a different organism rather than mice.

• Avery's experiments were inconclusive whereas Griffith's definitely showed that DNA was the genetic material.