(1) What is meant by describingmembranes as semipermeable?(compared to permeable andimpermeable)?

INTRODUCTION Semipermeable membrane Semipermeable membrane is a layer that allowa the passage of…

Answered: (1) What is meant by describing…

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter4: Tissues, Organs, And Organ Systems

Section: Chapter Questions

Problem 9RQ: What is extracellular fluid, and how does the concept of homeostasis pertain to it?

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Similar questions

What is extracellular fluid, and how does the concept of homeostasis pertain to it?
Why is it advantageous for the cell membrane to be fluid in nature?
Assign a function(s) to the following cellular structures: a. plasma membrane b. mitochondrion c. nucleus d. ribosome
Which plasma membrane component can be either found on its surface or embedded in the membrane structure? a. protein b. cholesterol c. carbohydrate d. phospholipid
The tails of the phospholipids of the plasma membrane are composed of _____ and are _____? a. phosphate groups; hydrophobic b. fatty acid groups; hydrophilic c. phosphate groups; hydrophilic d. fatty acid groups; hydrophobic
Cell membranes consist mainly of a _________. a. carbohydrate bilayer and proteins b. protein bilayer and phospholipids c. phospholipid bilayer and proteins
Which of the following is not a component of the endomembrane system? a. mitochondrion b. Golgi apparatus c. endoplasmic reticulum d. Iysosome
The plasma membrane __________. a. surrounds the cytoplasm b. separates the nucleus from the cytoplasm c. separates the cell interior from the environment d. both a and c
Visit this link (http://openstaxcollege.org/l/diffusion) to see diffusion and how it is propelled by the kinetic energy of molecules in solution. How does temperature affect diffusion rate, and why?
Watch this video (http://openstaxcollege.org/l/endomembrane1) to learn about the endomembrane system, which includes the rough and smooth ER and the Golgi body as well as lysosomes and vesicles. What is the primary role of the endomembrane system?
In the fluid mosaic model: plasma membrane proteins orient their hydrophilic sides toward the internal bilayer. phospholipids often flip-flop between the inner and outer layers. the mosaic refers to proteins attached to the underlying cytoskeleton. the fluid refers to the phospholipid bilayer. the mosaic refers to the symmetry of the internal membrane proteins and sterols.
Enzymes contained in __________ break down worn-out organelles, bacteria, and other particles. a. lysosomes b. mitochondria c. endoplasmic reticulum d. peroxisomes

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(1) What is meant by describing membranes as semipermeable? (compared to permeable and impermeable)?