Homework Answers
Correct Answer: D. The concentration of glucose on either side of the membrane.
Explanation:
In passive transport, substance move from its region of higher concentration to its lower concentration. Hence option D is correct.
- Amount of energy to fuel the transport i.e., option C is true for active transport.
- Metabolic activity is not the concern with transportation.
- Charge difference is required for transportation of ions across membrane via Ion gated channels.
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Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
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Please answer the following questions for numbers 7-9. If you
are not sure please write it next to the problem number. I am a
little confused with these. I will rate good!
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help with key word matching
Match some of the keywords found in chapters with their correct definition Phospholipid Oncogene A A type of diffusion that occurs down a concentration gradient B. This process occurs during exocytosis C. A localized redistribution of ions across the cell membrane, resulting in a shift of the membrane potential (Vm) to more positive values. D. The normal function of this dass of mutant gene is "regulates the cell cycle" Channels Electrochemical The membrane potential (Vm)...
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