Substance abuse can spread STIs because when a user shares needles with an infected person, it can spread through the blood. Any high-risk behavior like this spreads STIs.
Answer:
Red blood cells are a type of specialized cell that move <u>oxygen </u>and carbon dioxide throughout the body.
A structure made of two or more tissues working together to achieve a common function is a/an <u>an</u><u> </u><u>organ</u><u> </u>
<u>cellular </u><u>defferentiation</u><u> </u>describes the degree of specialization that a cell is able to undergo.
A/An <u>embroynic</u><u> </u>stem cell can differentiate into all cell types found within an embryo.
In <u>cytoplasm</u> organisms, all cellular activities take place within a single cell.
Answer:
Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
<span>After one round of replication, you get two brands namely parental DNA, Daughter DNA.The parental DNA is would remain intact.The daughter DNA would be entirely new.After one round of replication in the semi conservative model, all the double standard DNA is composed of one heavier parental and one daughter parental strand.</span>
All living organisms need to take substances from their environment to obtain energy, to grow and to stay healthy