What forms the channels in the phospholipid bilayer?
A) Hydrophilic Heads
B) Proteins
C) Carbohydrates
D) Lipids
The question had no answer labels, to I put them on myself.

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.

How does friction with the atmosphere affect the speed of an artificial satellite

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.