D.
A fixed allele is homozygous within a population so D should be the correct answer.
Hope this helps!
Answer:0.5 g/cm
Explanation:
calculate the density : we'll use the formula below
density = volume over mass
Usually, density will have units of
g
m
L
when dealing with a liquid or units of
Usually, density will have units of
g
m
L
when dealing with a liquid or units of
g
c
m
3
when dealing with a solid.
The mass has units of grams,
g
.
The volume can have units of
m
L
or
c
m
3
We are given the mass and the volume, both of which have good units. All we have to do is plug the given values into the equation:
D
e
n
s
i
t
y
=
5
g
10
c
m
3
Thus, the substance has a density of
0.5
g
c
m
3
.
I believe the answer is: C
Xylem transports water and minerals from the roots to the leaves of the plant, where it is used in the production of food.
Prokaryotes don’t have any membrane bound-organelles but they have DNA, a cell membrane and ribosomes
