Diffusion is important to organisms because it is the process by which useful molecules enter the body cellsand waste products are removed. Digested food molecules (amino acids, glucose) move down a concentration gradient from the intestine to the blood.
Answer: When no oxygen is present, the electron transport chain can't run
Explanation: I know this because I am in biology and I am passing with a 99
Answer:
Yes
Explanation:
Oxidative phosphorylation is a mechanism for ATP synthesis in both plant and animal cells, the mitochondria or mitochondrian has 2 membranes both the inner and outer membrane.
The right answer is D) photosynthesis in plants
Cellular respiration does not produce oxygen, it consumes it rather. The same for the respiration of animals and the human being.
The degradation of organic matter does not produce oxygen.
Photosynthesis is the only one of these proposals that produces oxygen, and this process belongs to the plants.