Which of the following is the movement of molecules across a membrane as a result of differences in their concentration or electrical potential on opposite sides of the membrane?
A) Passive transport B) Tubular reabsorption
C) Tubular secretion D) Active transport
Question 2
A surgical technician calls the laboratory to ask about good skin preparation to reduce post-operative wound infections. Your suggestions should include
1. preoperative antiseptic or bath.
2. shaving the surgical site with a razor.
3.
scrubbing the skin with a bristled brush and isopropyl alcohol/CHG.
A) 1 and 2 B) 1 and 3 C) 1, 2, and 3 D) 2 and 3
Use of fluorescent molecules by Lowenstein and colleagues to determine the size of gap-junction chan
A method to measure the lateral movement of membrane proteins.
Differences in oxygen-hemoglobin dissociation curves under different physiological conditions and am
cell membrane
Electron microscope photo of mRNA molecules being read by ribosomes.
Structure of a typical cell membrane