Microfilaments (actin) are important for

a.
cell movement
b.
maintaining cell shape
c.
muscle contraction
d.
a and b only
e.
a, b and c

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

What is the function of the nucleus in the euglena cells you observed?

According to cell theory; which structures carry out the basic function of living things? a. atoms b. organs c. cells b. nuclei