The presence of cholesterol in the plasma membranes of some animals

(a) enables the membrane to stay fluid more easily when cell temperature drops.
(b) enables the animal to add hydrogen atoms to unsaturated phospholipids.
(c) enables the animal to remove hydrogen atoms from saturated phospholipids.
(d) makes the animal more susceptible to circulatory disorders.
(e) makes the membrane less flexible, allowing it to sustain greater pressure from within the cell

Which organelles are involved in energy conversion

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from