BIO 212 HUMAN BIOLOGY LAB NOTEBOOK
16th Edition
ISBN: 9781307769883
Author: Mader
Publisher: MCG/CREATE
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Chapter 12, Problem 2TC
Summary Introduction
To determine:
The homeostatic mechanism in the body in terms of positive and negative feedback.
Given:
a. The adrenal gland produces epinephrine in response to a hormone produced by the pituitary gland. In times of stress, the pituitary gland censuses the epinephrine in the blood and stops producing the hormone.
b. As the bladder fills with urine pressure sensors send a message to the brain with increasing frequency, signaling that the bladder must be emptied the more the bladder fills the more messages are sent.
c. When you drink, an excess of water specialized cells in your brain, as well as stretch receptors in your heart, detect the increase in blood volume; thus, both signals are transmitted to the kidney which increases the production of urine.
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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 12 Solutions
BIO 212 HUMAN BIOLOGY LAB NOTEBOOK
Ch. 12.1 - Prob. 1LOCh. 12.1 - Explain the process of capillary exchange.Ch. 12.1 - Prob. 1CYPCh. 12.1 - Prob. 2CYPCh. 12.2 - Prob. 1LOCh. 12.2 - Prob. 2LOCh. 12.2 - 3. Define capillary exchange, and describe the...Ch. 12.2 - Prob. 1QTCCh. 12.2 - Prob. 2QTCCh. 12.2 - Prob. 3QTC
Ch. 12.2 - Prob. 1CYPCh. 12.2 - Prob. 2CYPCh. 12.2 - Identify some types of diseases that would be...Ch. 12.2 - Prob. 4CYPCh. 12.3 - Identify the major components of the heart,...Ch. 12.3 - Prob. 2LOCh. 12.3 - Describe the intrinsic and extrinsic control of...Ch. 12.3 - Prob. 1CYPCh. 12.3 - Prob. 2CYPCh. 12.3 - Prob. 3CYPCh. 12.3 - Prob. 4CYPCh. 12.4 - Prob. 1LOCh. 12.4 - Prob. 2LOCh. 12.4 - Prob. 1CYPCh. 12.4 - Name the major blood vessels through which blood...Ch. 12.4 - Prob. 3CYPCh. 12.5 - Describe the major categories of cardiovascular...Ch. 12.5 - Define hypertension and explain its most common...Ch. 12.5 - Prob. 3LOCh. 12.5 - Review the risk factors discussed in this reading....Ch. 12.5 - Prob. 2QTCCh. 12.5 - Prob. 3QTCCh. 12.5 - Prob. 1CYPCh. 12.5 - Prob. 2CYPCh. 12.5 - Prob. 3CYPCh. 12 - Prob. S4.2BYBCh. 12 - Prob. S11.1BYBCh. 12 - Section 11.5 The cardiovascular system interacts...Ch. 12 - Prob. 1ACh. 12 - Prob. 2ACh. 12 - Prob. 3ACh. 12 - Prob. 4ACh. 12 - Prob. 5ACh. 12 - Prob. 6ACh. 12 - Prob. 7ACh. 12 - Prob. 8ACh. 12 - Prob. 9ACh. 12 - An electrocardiogram measures
chemical signals...Ch. 12 - Prob. 11ACh. 12 - Prob. 12ACh. 12 - In which of the following does a blood vessel...Ch. 12 - Prob. 14ACh. 12 - Prob. 1TCCh. 12 - Prob. 2TCCh. 12 - Prob. 3TCCh. 12 - There are not enough living heats available to...
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