Stem cells are differentiated into different types of cells by a process called signaling, which leads to changes in gene activity, causing the cell to differentiate.
<span>B.
TRUE
"</span>About 200 million years ago<span>, the supercontinent began to </span>break up<span>."
</span>
The picture is up side down and it’s too dark, we cannot read it
Answer:
D
Explanation:
#1 is a solute, a solute meaning an ingredient.
#2 is a solvent, meaning a liquid in which a solute is dissolved to form a solution.
#3 is obvious after that. :)
Hope i helped and have a super calla fragalistic expialadocious day. :D
Answer:
Diffusion occurs in a type of cell transport called passive transport.
This type of cell transport doesn't use any energy. It goes from a high to low concentration gradient.
