Which of the following correctly lists the parts of a nucleotide? a. Phosphate group, nitrogenous base, and helicase enzyme
b. Nitrogenous base, helicase enzyme, and 5-carbon sugar
C. 5-carbon sugar, nitrogenous base, and phosphate group
d. Phosphate group, protein, nitrogenous base, and 5-carbon sugar

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.

What are genotypes? what are phenotypes?

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?