Answer:
Point mutation
Please mark brainliest
D = m/V
m = 75g
V = 4 x 4 x 4 = 64 cm^3
d = 75/64 = 1 11/64 g/cm^3
a. phosphate group, sugar, nitrogen base.
b. if it is DNA- deoxyribose sugar and if it is RNA- ribose sugar
c.Nitrogen base
d. Adenine, Gaunine, cytosine, Thymine.
Answer:
The answer is between a or b
but I strongly suggest the option a.
Evolution is the answer
Endangered Species Act of 1973
