Question

1. Griffith worked on
a. Bacteriophage
c. Frog eggs
.......
b. Drosophila
c. Streptococci​

Answer 1

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Bacteriophage : a virus that parasitizes a bacterium by infecting it and reproducing inside it.

Frog Eggs : Frogs lay many eggs in a mass or spawn, which serves to protect most of the eggs from predators. The male frog fertilizes the eggs as the female lays them in water. That is, the eggs are fertilized outside the female’s body.

Drosophila : a small fruit fly, used extensively in genetic research because of its large chromosomes, numerous varieties, and rapid rate of reproduction.

Streptococci : a bacterium of a genus that includes the agents of souring of milk and dental decay, and hemolytic pathogens causing various infections such as scarlet fever and pneumonia.

.

It may be Frog Eggs.

Answer 2

Answer:

Streptococcus

Explanation:

He injected Streptococcus pneumoniae bacteria in mice and observe their affects on mice.