I am arranged as a double helix, and my shape is often described as a “twisted ladder” DNA ONLY
RNA ONLY
BOTH DNA AND RNA

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.

Where are the strongest jet streams located?

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from