Answer:
Whether a cell uses facilitated diffusion or active transport depends on the specific needs of the cell. For example, the sugar glucose is transported by active transport from the gut into intestinal epithelial cells, but by facilitated diffusion across the membrane of red blood cells.
Explanation:
Answer:
1.red-RR blue- BB purple-RB
2. RR RR
BB BB
Explanation:
Answer:pre-formed structures and chemicals, and by infection-induced responses of the immune system.
Explanation: brainliest?
I would say c would be the best.
The more you observe, the more you catch on