BIOLOGY HELP! please help?

B

Britt tit

New member
1. Define a gene in three ways.

2.explain why you would expect a mouse to:

a. live if given an injection of living harmless bacteria

b. die if given an injection of living harmful bacteria

c. live if given an injection of dead harmful bacteria

d. die when given a mixture of living a dead harmful bacteria.




PLEASE HELPP!
 
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