They are warned about contracting Toxoplasma.
Uracil is found in RNA and not DNA. DNA instead has thymine
The answer is A, Viruses
Viruses cannot reproduce on their own , so they have to inject their DNA or RNA into the nucleuus of a cell. By doing this, the virus will take over that cells and within times, that cells will pop up and producing more viruses.
This reproduced virus will repeat the same process until our immune systems stop them
Answer: Osteoclasts are the bone cells that break down bone.
Explanation: