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1- The cell membrane is considered semipermeable because: a) It allows the passage of all substances b) It allows the passage of only water c) It allows the passage of some substances while restricting others d) It does not allow the passage of any substances 2- The lipid layer of the cell membrane is mainly composed of: a) Proteins b) Carbohydrates c) Phospholipids d) Cholesterol 3- Integral proteins in the cell membrane: a) Are loosely bound and easily dissociate from the membrane b) pass through the entire thickness of the cell membrane c) Are responsible for the attachment of cells to their neighbors d) Serve as receptor sites for hormones and neurotransmitters

1- The cell membrane is considered semipermeable because: a) It allows the passage of all substances b) It allows the passage of only water c) It allows the passage of some substances while restricting others d) It does not allow the passage of any substances 2- The lipid layer of the cell membrane is mainly composed of: a) Proteins b) Carbohydrates c) Phospholipids d) Cholesterol 3- Integral proteins in the cell membrane: a) Are loosely bound and easily dissociate from the membrane b) pass through the entire thickness of the cell membrane c) Are responsible for the attachment of cells to their neighbors d) Serve as receptor sites for hormones and neurotransmitters

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Choose the correct answer from the following 1- The cell membrane is considered semipermeable because: a) It allows the passage of all substances b) It allows the passage of only water c) It allows the passage of some substances while restricting others d) It does not allow the passage of any substances 2- The lipid layer of the cell membrane is mainly composed of: a) Proteins b) Carbohydrates c) Phospholipids d) Cholesterol 3- Integral proteins in the cell membrane: a) Are loosely bound and easily dissociate from the membrane b) pass through the entire thickness of the cell membrane c) Are responsible for the attachment of cells to their neighbors d) Serve as receptor sites for hormones and neurotransmitters 4- The fluid mosaic model of the cell membrane suggests that: a) The membrane is a solid structure with layers of proteins b) The membrane is a fluid with proteins floating within it c) The membrane is composed entirely of lipids
Transcribed Image Text:Choose the correct answer from the following 1- The cell membrane is considered semipermeable because: a) It allows the passage of all substances b) It allows the passage of only water c) It allows the passage of some substances while restricting others d) It does not allow the passage of any substances 2- The lipid layer of the cell membrane is mainly composed of: a) Proteins b) Carbohydrates c) Phospholipids d) Cholesterol 3- Integral proteins in the cell membrane: a) Are loosely bound and easily dissociate from the membrane b) pass through the entire thickness of the cell membrane c) Are responsible for the attachment of cells to their neighbors d) Serve as receptor sites for hormones and neurotransmitters 4- The fluid mosaic model of the cell membrane suggests that: a) The membrane is a solid structure with layers of proteins b) The membrane is a fluid with proteins floating within it c) The membrane is composed entirely of lipids
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