Some cells, such as human nerve and muscle cells contain many more mitochondria than do cells such as skin cells why do some cells have more mitochondria than others A. The cells use more energy
B. The cells store more nutrients
C. The cells degrade more protein
D. The cells divide more frequently

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Me with these questions image attached

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes