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:
Is the contraction proceeds at a consistent muscle tension while the body parts move through its rage of motion!
Answer:The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
1. Stimulants
2. Hallucinogens
3. Amphetamines
4. Depressants
Answer:
D. Fossils of species that no longer exist but are ancestors of current species have been found in rock layers.
Explanation:
