Answer:
Option D is correct
Explanation:
Luria broth contains yeast concentrate so it would show a marked B- galactosidase activity which is an enzyme that catalyzes the hydrolysis of B- galactosides including lactose and it is the first step of lactose fermentation.
Answer:
The action potential is conducted into a skeletal muscle fiber by, transverse tubules.
A) is false as condoms aren't designed to be used twice and it increases the risk of your partner getting pregnant
Answer:
A. the population must be very large
No because if you take that out , it acts like a skeleton so if you take that out, it will spill it contents out and won't really do any thing