Answer:
Prokaryotic cells (bacteria) lack a nuclear envelope; eukaryotic cells have a nucleus in which evolution was thus reached in the early 1980s, when it was discovered an early stage of chemical evolution is thought to have been based on chloroplasts are still encoded by the organelle genomes.
Explanation:
Answer:
option B
Explanation:
You contracted malaria after an infected mosquito bit you on your arm
Plasma membrane allows some material to pass through it while on the same time it blocks other material from entering through it.
Having a high surface area helps so yes in the human body villi is an example of a structure that increases surface area to increase absorption rates.
Answer:
Oxidation occurs when a reactant loses electrons during the reaction. Reduction occurs when a reactant gains electrons during the reaction. This often occurs when metals are reacted with acid.