I believe the answer is a
I say D, because there are certain states that have national parks and a large tree area.
Homozygous being (TT): 50%
Heterozygous being (Tt): 50%
Hetero- different
Homo- the same
Answer:
using multiple origins of replication on each chromosome
Explanation:
When lactose is not present, what happens to E. coli is that the genes that produce the enzymes needed to break down lactose are not expressed. The correct answer is B.