Essentials of Biology
4th Edition
ISBN: 9780078024221
Author: Sylvia S. Mader Dr., Michael Windelspecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 27, Problem S5.4BYB
Section 5.4 How does active transport move molecules and ions against their concentration gradients?
Expert Solution & Answer
Summary Introduction
To determine:
The process of how active transport moves molecules and ion against their concentration gradients.
Given:
Active transport move molecules and ion against their concentration gradients.
Introduction:
Active transport is a process of transport in which ions or molecules can be transported against the concentration gradient in which energy requirement is fulfilled by the ATP
Explanation of Solution
The Na+K+ATPase is an enzyme which bring the breakdown of ATP to release energy to move ions against their concentration gradient from higher concentration to lower concentration.
Conclusion
During active transport the cell must uses energy in the form of ATP, to move substances against a concentration gradient.
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Students have asked these similar questions
Explain down bellow what happens to the cell in pictures not in words:
Decreased pH in mitochondria
Increased ATP
Decreased pH in cytosol
Increased hydrolysis
Decreasing glycogen and triglycerides
Increased MAP kinase activity
Poor ion transport → For each one:→ What normally happens?→ What is wrong now?→ How does it mess up the cell?
1.) Community Diversity:
The brown and orange line represent two different plant communities.
a. Which color represents the community with a higher species richness?
b. Which color represents the community with a higher species evenness?
Relative abundance
0.1
0.04
0.001
2 4 6
8
10 12 14 16 18 20 22 24
Rank abundance
c. What is the maximum value of the Simpson's diversity index (remember, Simpson's
index is D = p², Simpson's diversity index is 1-D)?
d. If the Simpson's diversity index equals 1, what does that mean about the number of
species and their relative abundance within community being assessed?
1.) Community Diversity:
The brown and orange line represent two different plant communities.
a. Which color represents the community with a higher species richness?
b. Which color represents the community with a higher species evenness?
Relative abundance
0.1
0.04
0.001
2 4 6
8
10 12 14 16 18 20 22 24
Rank abundance
c. What is the maximum value of the Simpson's diversity index (remember, Simpson's
index is D = p², Simpson's diversity index is 1-D)?
d. If the Simpson's diversity index equals 1, what does that mean about the number of
species and their relative abundance within community being assessed?
Chapter 27 Solutions
Essentials of Biology
Ch. 27.1 - 1. Describe the structure and function of a...Ch. 27.1 - Explain how a nerve impulse is generated and...Ch. 27.1 - Prob. 3LOCh. 27.1 - Give examples of drugs of abuse, and explain how...Ch. 27.1 - Prob. 5LOCh. 27.1 - Prob. 6LOCh. 27.1 - Prob. 1CYPCh. 27.1 - Prob. 2CYPCh. 27.1 - Prob. 3CYPCh. 27.1 - Prob. 4CYP
Ch. 27.1 - Identify the structures of the central nervous...Ch. 27.1 - Prob. 6CYPCh. 27.1 - Prob. 7CYPCh. 27.1 - Prob. 1ACh. 27.1 - Prob. 2ACh. 27.1 -
3. Transmission of a nerve impulse across a...Ch. 27.1 - Prob. 4ACh. 27.1 - Prob. 5ACh. 27.1 - Prob. 6ACh. 27.2 - Prob. 1LOCh. 27.2 - 3. Compare and contrast the actions of steroid and...Ch. 27.2 - Prob. 3LOCh. 27.2 - Prob. 1CYPCh. 27.2 - Prob. 2CYPCh. 27.2 - Prob. 3CYPCh. 27.2 - Prob. 4CYPCh. 27.2 - Prob. 5CYPCh. 27.2 - Prob. 7ACh. 27.2 - Prob. 8ACh. 27.2 - Prob. 9ACh. 27.2 - Prob. 10ACh. 27.2 - Prob. 11ACh. 27.2 - Prob. 12ACh. 27 - Section 5.4 How does active transport move...Ch. 27 - Prob. S19.1BYBCh. 27 - Prob. S22.3BYBCh. 27 - Prob. 1BYBCh. 27 - Prob. 2BYBCh. 27 - Prob. 3BYBCh. 27 - Prob. S22.3CTCCh. 27 - Prob. S24.1CTCCh. 27 - Prob. S28.1CTCCh. 27 - Prob. 1TCCh. 27 - Prob. 2TCCh. 27 - Prob. 3TCCh. 27 - The Food and Drug Administration (FDA) approved...Ch. 27 - Prob. 5TC
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