Which part of the membrane can catalyze chemical reactions? A. Fatty acids
B. Enzymes
C. Phosphilipids
D. Nucleic acids

Nucleic acid certain protein cell membranes certain carbohydrates

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? 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.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.