Answer: B. Osmosis Across a Membrane
The movement of water across a gradient is called osmosis.
Answer:
One
Explanation:
Sodium (Na) has one valence electron so it gets one dot.
Answer:
Chromosomes are made up of DNA(deoxyribosenucleicacid) which is a protein complex called chromatin that is organized into subunits called nucleosomes. The way in which eukaryotes compact and arrange their chromatin also helps regulate gene expression.
Explanation:
ATP stands for<span> adenosine triphosphate</span>
Answer: gas in the air, pollution
Explanation: