Answer:
The correct answer is <u><em>B. Cell Wall</em></u>
Explanation:
A <u><em>cell wall</em></u> is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides as well. The cell wall provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell.
You can make an electromagnet stronger by doing things like wrapping the coil around a piece of iron adding more turns to the coil, increasing the current flowing through the coil.
<span>- genetic drift
</span>Which mechanism affected the gene pool of the immigrants that entered the United States through Ellis Island?
NOT:
- gene flow
- gene mutation
<span>- natural selection</span>
Answer:
C. Mitochondria
Explanation:
Viruses lack a mitochondria.
