Viruses inject dna or rna into the nucleus of a cell to reproduce
The cell structures found only in the plant cell are the chloroplast, cell wall, and chlorophyll.
Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
Frog's heart<span> has one ventricle, while humans have 2, hence deoxygenated blood from body mixes with the oxygenated blood coming from lungs.
Source: S</span><span>ocratic</span>
Answer:
It will help him because firstly,an apple is a vitamin and according to the six classes of food, vitamin's function to the body is to help fight disease and harmful organism therefore making you strong.So if Usain bolt eats that apple it will make him strong. (Reminder: pls follow me and i will follow u oo)
