ANAT & PHYS (LL W/ACCESS)(CUSTOM)
4th Edition
ISBN: 9781266039621
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 4.3, Problem 8WDYL
Summary Introduction
To determine The importance of passive transport and explain the different types of diffusion present.
Introduction
Passive transport is a type of transportation system between cells where the exchange of substances across the cell membrane or cell walls without the expenditure of energy. When the movement happens from higher concentration to lower concentration, this flow is called a concentration gradient.
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Chapter 4 Solutions
ANAT & PHYS (LL W/ACCESS)(CUSTOM)
Ch. 4.1 - What is the advantage of using a TEM instead of an...Ch. 4.1 - Prob. 2WDYLCh. 4.1 - What are the three main structural features of a...Ch. 4.1 - What cellular structure is responsible for forming...Ch. 4.2 - How do lipids maintain the basic physical barrier...Ch. 4.2 - What type of plasma membrane protein provides the...Ch. 4.3 - How does O2 diffuse into a cell and CO2 diffuse...Ch. 4.3 - Prob. 8WDYLCh. 4.3 - Define osmosis.Ch. 4.3 - What occurs to the tonicity of a cell when it is...
Ch. 4.3 - What general conclusion can you make concerning...Ch. 4.3 - What transport process involved in the movement of...Ch. 4.3 - Diagram a flowchart for the active processes of...Ch. 4.4 - Define a resting membrane potential.Ch. 4.4 - Prob. 15WDYLCh. 4.5 - What are some examples of how cells communicate...Ch. 4.5 - How do action of enzymatic receptors and G...Ch. 4.6 - Describe the general structure of both the...Ch. 4.6 - Lysosomes and peroxisomes are both small...Ch. 4.6 - Which non-membrane-bound organelle functions (a)...Ch. 4.6 - Which cellular surface structure functions in (a)...Ch. 4.6 - Which cellular junction (a) provides resistance to...Ch. 4.7 - What is the function of nuclear pores within the...Ch. 4.7 - What is the function of the nucleolus?Ch. 4.7 - Describe the structural relationship of DNA and...Ch. 4.8 - What are the three major structures required for...Ch. 4.8 - What is a codon and an anticodon?Ch. 4.8 - How is mRNA attached to ribosomes and translated...Ch. 4.8 - The genetic code of DNA is the specific...Ch. 4.9 - How is chromatin distinguished from a chromosome?Ch. 4.9 - Describe the process of DNA replication that...Ch. 4.9 - What are the events that occur during the mitotic...Ch. 4.10 - What are the specific changes that occur to DNA...Ch. 4 - Prob. 1DYKBCh. 4 - _____ 2. The molecule that is responsible for most...Ch. 4 - Prob. 3DYKBCh. 4 - Prob. 4DYKBCh. 4 - Prob. 5DYKBCh. 4 - Prob. 6DYKBCh. 4 - Prob. 7DYKBCh. 4 - Prob. 8DYKBCh. 4 - _____ 9. During this stage of mitosis, the...Ch. 4 - _____ 10. Erythrocytes do not have a nucleus. In...Ch. 4 - Prob. 11DYKBCh. 4 - Prob. 12DYKBCh. 4 - Describe the passive processes of membrane...Ch. 4 - Describe the active processes of membrane...Ch. 4 - List the membrane-bound structures, and describe...Ch. 4 - Prob. 16DYKBCh. 4 - Prob. 17DYKBCh. 4 - Prob. 18DYKBCh. 4 - Prob. 19DYKBCh. 4 - Explain the processes that occur in the different...Ch. 4 - Michael was born with Tay-Sachs disease. Which of...Ch. 4 - Prob. 2CALCh. 4 - Prob. 3CALCh. 4 - Prob. 4CALCh. 4 - Prob. 5CALCh. 4 - Prob. 1CSLCh. 4 - Prob. 2CSLCh. 4 - Prob. 3CSL
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- Identify and explain two examples of diffusion you have experienced. Provide specific details in your explanation relating to the concept of diffusionarrow_forwardShow and explain three major differences between the simple and facilitated diffusion. Base your answer on energy requirement, detailed mechanism and the type of materials transported..arrow_forwardDiffusion has maximal transport rate? True or False?arrow_forward
- Define diffusion and describe the factors that influence the rate of diffusion.arrow_forwardDescribe in details the processes of active transport, including the concepts of pumps, primary active transport, secondary active transport, symports, and antiports. Indicate the sources of energy for moving solutes against their concentration gradients.arrow_forwardHow does the intensity of facilitated diffusion vary in relation to the concentration of the moved substance? What is the limiting factor?arrow_forward
- the maximal rate of solute movement during diffusion is greater than during mediated transport true or false?arrow_forwardDefine: simple diffusion, facilitated diffusion, primary active transport, secondary active transport and cotransport (by sure to address symport and antiport) . please explain this iin one sentense for each one please. note: I do not want more than one sentensearrow_forwardDescribe the two factors necessary for diffusion to occur.arrow_forward
- For each type of membrane transport, know the following:– Is a transporter protein required? If so, what type?– Is there an energy requirement, and if so, what is the energy source?– What is the relative rate of solute transport based on molecule type? On concentration gradient?– What are examples of the types of solutes transported by carriers and channels?arrow_forwardDiscuss carrier-mediated transport. How could you experimentally distinguish between the different types of carrier-mediated transport?arrow_forwardDefine facilitated diffusionarrow_forward
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