Which of the following molecules will likely cross a cell membrane through simple diffusion estrogen glycine hemoglobin OK+

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter3: The Plasma Membrane And Membrane Potential
Section: Chapter Questions
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Which of the following molecules will likely cross a cell membrane through simple diffusion:
estrogen
glycine
hemoglobin
K*
Listen
Which of the following statements is TRUE concerning the ABC transporter:
ABC transporters participate in active transport by ATP hydrolysis
ABC transporters create H* gradients
ABC transporters are responsible for drug resistance in tumors
Both A and B
Both B and C
Listen
Aquaporins are tailored to allow the passage of only water through the pore. Which of the following ways do
aquaporins achieve this?
The internal environment of the pore is negatively charged
The internal environment of the pore is hydrophobic
The internal environment of the pore is positively charged
The internal environment of the pore is hydropathic
Transcribed Image Text:Which of the following molecules will likely cross a cell membrane through simple diffusion: estrogen glycine hemoglobin K* Listen Which of the following statements is TRUE concerning the ABC transporter: ABC transporters participate in active transport by ATP hydrolysis ABC transporters create H* gradients ABC transporters are responsible for drug resistance in tumors Both A and B Both B and C Listen Aquaporins are tailored to allow the passage of only water through the pore. Which of the following ways do aquaporins achieve this? The internal environment of the pore is negatively charged The internal environment of the pore is hydrophobic The internal environment of the pore is positively charged The internal environment of the pore is hydropathic
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