Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Chapter 36, Problem 3DAA
Risks of Hypertension Eleni Rapsomaniki and her colleagues analyzed medical records of 1.25 million people in the United Kingdom to see how hypertension affects the risk of cardiovascular disorders. They looked at records of people who at 30 years old had no history of heart disease or stroke, although some had high blood pressure. By looking at which of these people later had a heart attack or stroke, the researchers were able to estimate the lifetime risks of these disorders in people with, and without high blood pressure. FIGURE 36.19 shows the researchers’ estimates of the lifetime risk for heart attack and for transient ischemic attack (TIA), a type of stroke.
FIGURE 36.19 Lifetime risks of heart attack and TIA (a type of stroke), with and without hypertension at age 30. A transient ischaemic attack (TIA), sometimes called a mini-stroke, is caused by a temporary blockage of a blood vessel that supplies blood to the brain.
Which is a person who has hypertension at age 30 more likely to have by age 60, a heart attack or a TIA?
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QUESTION 3
The table below shows the results of an investigation in which the effect of
temperature and light on the yield of tomatoes in two greenhouses on a farm
was investigated.
TEMPERATURE
(°C)
AVERAGE YIELD OF TOMATOES PER
3.1
PLANT
(kg)
LOW LIGHT LEVELS
HIGH LIGHT LEVELS
5
0,5
0,5
10
1,5
2,5
15
3,0
5,0
20
3,6
8,5
25
3,5
7,8
30
2,5
6,2
State TWO steps the investigator may have taken into
consideration during the planning stage of the investigation.
(2)
3.2
Identify the:
a) Independent variables
(2)
b) Dependent variable
(1)
3.3
Plot a line graph showing the results of the average yield of the
tomatoes from 5°C to 30°C for low light levels.
(6)
3.4
State ONE way in which the scientists could have improved the…
Explain why you chose this mutation. Begin by transcribing and translating BOTH the
normal and abnormal DNA sequences. The genetic code below is for your reference.
SECOND BASE OF CODON
כ
FIRST BASE OF CODON
O
THIRD BASE OF CODON
SCAGUCAGUGAGUCAG
UUU
UUC
UCU
UAU
UGU
Phenylalanine
(F)
Tyrosine (Y)
Cysteine (C)
UCC
UAC
UGC
Serine (S)
UUA
UUG
Leucine (L)
UCA
UCG_
UAA
UGA
Stop codon
-Stop codon
UAG
UGG -Tryptophan (W)
CUU
CUC
CCU
CAU
CGU
Histidine (H)
CCC
CAC
CGC
-Leucine (L)
Proline (P)
CUA
CCA
CAA
CUG
CCG
CAG-Glutamine (Q)
-Arginine (R)
CGA
CGG
AUU
ACU
AAU
AGU
AUC
Isoleucine (1)
Asparagine (N)
ACC
AAC
Threonine (T)
AUA
ACA
AAA
Methionine (M)
Lysine (K)
AUG
ACG
Start codon
AAG
AGC-Serine (S)
-Arginine (R)
AGA
AGG
GUU
GCU
GAU
GUC
GUA
GUG
GCC
Valine (V)
-Alanine (A)
GCA
GCG
GAC
GAA
GAG
Aspartic acid
(D)
GGU
Glutamic acid
(E)
GGC
GGA
GGG
Glycine (G)
In order to provide a complete answer to the question stated above, fill in the mRNA bases
and amino acid sequences by using the Genetic Code…
Chapter 36 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 36 - Prob. 1DAACh. 36 - Prob. 2DAACh. 36 - Risks of Hypertension Eleni Rapsomaniki and her...Ch. 36 - Prob. 1SQCh. 36 - Prob. 2SQCh. 36 - Prob. 3SQCh. 36 - Prob. 4SQCh. 36 - Prob. 5SQCh. 36 - Prob. 6SQCh. 36 - Blood flows directly from the left atrium to...
Ch. 36 - Contraction of the _________ drives blood out into...Ch. 36 - Blood pressure is highest in the _______ and...Ch. 36 - In a person at rest, the largest volume of blood...Ch. 36 - Which of the following has the thickest wall? a....Ch. 36 - Prob. 12SQCh. 36 - Which artery carries oxygen-poor blood?Ch. 36 - Prob. 14SQCh. 36 - Match the terms with their definition. _____ bone...Ch. 36 - Suppose a blood clot forms in the leg, then breaks...Ch. 36 - An atrial septal defect is a birth defect in which...Ch. 36 - Prob. 3CTCh. 36 - Prob. 4CT
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