LSC ANATOMY & PHYSIOLOGY CONNECT ACCESS
4th Edition
ISBN: 9781264929290
Author: McKinley
Publisher: MCG CUSTOM
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Question
Chapter 4, Problem 4DYKB
Summary Introduction
Introduction:
The active transport uses cellular energy in the form of adenosine triphosphate (ATP) for the movement of molecules across the cell membrane against the concentration gradient.
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One substance flows down its concentration gradient, and the energy is harnessed to move another substance up its gradient in the same direction. This best describes a. primary active transport. b. endocytosis. c. symport secondary active transport. d. antiport secondary active transport.
Choose the processes from the list below which require active transport
A. Water moving through the membrane
B. Sodium moving out of a cell
C. Potassium moving into a cell
D. Endocytosis
E. Oxygen moving from inhaled air into blood stream.
Choose pne of these choices:
A. Water molecules will still be able to move across the cell membrand but at a slkwer rate.
B. Water moleces will no longer be able to move across the cell membrane.
C. Water molecules will move across the cell membrand at a faster rate without the aquaporin regulating their flow.
D. Water molecules will only be able to enter the cell by active transport.
Chapter 4 Solutions
LSC ANATOMY & PHYSIOLOGY CONNECT ACCESS
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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- Which of the following methods of transport is being used to transfer the substance into the cell in the accompanying graph? a. diffusion down a concentration gradient b. osmosis c. facilitated diffusion d. active transport e. vesicular transport f. It is impossible to tell with the information provided.arrow_forwardThe following is a type of active transport mechanism: O a Na-K-ATPase Protein Pump O b. Phagocytosis O c. Pinocytosis O d. Exocytosis Oe. All of the Abovearrow_forwarda. Substance X is transported by passive transport and Substance Y is transported by active transport b. Substance X is transported by active transport and Substance Y is transported by passive transport c. Substance X is transported by active transport and Substance Y is transported by active transport d. Substance X is transported by passive transport and Substance Y is transported by passive transportarrow_forward
- The movement of water across the plasma membrane of a cell is facilitated bya. aquaporins.b. substrate-mediated endocytosis.c. receptor-mediated diffusion.d. channel proteins.e. Both a and d are correctarrow_forwardPassive membrane transport processes include... a.movement of water from an area of high solute concentration to an area of low concentration b.consumption of ATP c.the use of transport proteins when moving substances from areas of low to high concentration d.movement of a substance down its concentration gradientarrow_forwardDuring passive transport, substances will move across a selectively permeable membrane until… explain why A. There is no longer any energy to be used B. All solutes reach the other side of the membrane C. There is no more room inside of the cell D. Equilibrium is reachedarrow_forward
- one reason active transport has a limited maximum transport rate at which it can progress is due to the fact that a. energy required is not available inside the cell b. carrier proteins are not on the surface of the cell membrane c. ion channels are limited in size d. the number of carrier proteins is limited and therefore they can become saturatedarrow_forwardGlucose is transported across the cell membrane of intestinal cells. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm. Using this information, which transport mechanism is most probably functioning in the intestinal cells? A facilitated diffusion B simple diffusion C osmosis D concentration gradientarrow_forwardDiffusiona. is always facilitated.b. occurs by active transport.c. is increased when temperature increases.d. requires aquaporin proteins.arrow_forward
- Active transport must function continuously because. a. plasma membranes wear out b. not all membranes are amphiphilic c. facilitated transport opposes active transport d. diffusion is constantly moving solutes in opposite directionsarrow_forwardWhich of the following is an example of a primary active transport? a.CPT-I b.Na+/K+ pump c.proton pump d.O2 pumparrow_forwardWhich of the following statements is/are true about transport proteins?I. They carry out biochemical functions that remove nutrients in a cell.II. They are proteins which have high specificity to a single kind of molecule.III. They function to accumulate solutes against the concentration gradient.IV. They are highly regulated in a cell.arrow_forward
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