Pearson eText Conceptual Integrated Science -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135626573
Author: Paul Hewitt, Suzanne Lyons
Publisher: PEARSON+
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Chapter 16, Problem 70TE
To determine
To find:
Whether all codons code for amino acids.
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A ball of mass m = 1.95 kg is released from rest at a height h = 57.0 cm above a light vertical spring of force constant k as in Figure [a] shown below. The ball strikes the top of the spring and compresses it a distance d = 7.80 cm as in Figure [b] shown below. Neglecting any energy losses
during the collision, find the following.
т
h
m
a
d
T
b
(a) Find the speed of the ball just as it touches the spring.
m/s
(b) Find the force constant of the spring.
kN/m
Truck suspensions often have "helper springs" that engage at high loads. One such arrangement is a leaf spring with a helper coil spring mounted on the axle, as shown in the figure below. When the main leaf spring is compressed by distance yo, the helper spring engages and then helps to
support any additional load. Suppose the leaf spring constant is 5.05 × 105 N/m, the helper spring constant is 3.50 x 105 N/m, and y = 0.500 m.
Truck body
yo
Main leaf
spring
-"Helper"
spring
Axle
(a) What is the compression of the leaf spring for a load of 6.00 × 105 N?
m
(b) How much work is done in compressing the springs?
]
A block of mass m₁
=
10.0 kg is connected to a block of mass m₂
34.0 kg by a massless string that passes over a light, frictionless pulley. The 34.0-kg block is connected to a spring that has negligible mass and a force constant of k = 200 N/m as shown in the figure below. The spring is
unstretched when the system is as shown in the figure, and the incline is frictionless. The 10.0-kg block is pulled a distance h = 22.0 cm down the incline of angle = 40.0° and released from rest. Find the speed of each block when the spring is again unstretched.
Vm1
×
1.32
Vm2
= 1.32
×
m/s
m/s
Chapter 16 Solutions
Pearson eText Conceptual Integrated Science -- Instant Access (Pearson+)
Ch. 16 - What is a gene?Ch. 16 - Why do proteins determine many of an organisms...Ch. 16 - How is DNA packaged into chromosomes?Ch. 16 - What is the difference between a diploid cell and...Ch. 16 - How is DNA copied?Ch. 16 - Prob. 6RCCCh. 16 - How does RNA differ from DNA?Ch. 16 - Prob. 8RCCCh. 16 - What is a codon?Ch. 16 - Describe the role of tRNA in translation.
Ch. 16 - What are the two main causes of genetic mutations?Ch. 16 - What is a point mutation?Ch. 16 - What is a frameshift mutation, and what is its...Ch. 16 - What is crossing over? Why is crossing over...Ch. 16 - What are the products of meiosis?Ch. 16 - What is the difference between a dominant trait...Ch. 16 - Prob. 17RCCCh. 16 - Prob. 18RCCCh. 16 - Prob. 19RCCCh. 16 - What is pleiotropy?Ch. 16 - How many genes does a human have?Ch. 16 - What is an SNP?Ch. 16 - Is cancer usually the result of a single genetic...Ch. 16 - What does it mean for a cancer to have...Ch. 16 - Prob. 25RCCCh. 16 - Use examples to describe how genetically modified...Ch. 16 - Prob. 27RCCCh. 16 - Describe some of the safety, social, and ethical...Ch. 16 - Why is DNA described as a double helix?Ch. 16 - How is DNA like a ladder? What are the sides of...Ch. 16 - What are the four nucleotides found in DNA? How do...Ch. 16 - Prob. 32TISCh. 16 - Why can very high temperatures be a problem for...Ch. 16 - Prob. 34TISCh. 16 - Explain how DNA is damaged by exposure to...Ch. 16 - Which cells are most vulnerable to ionizing...Ch. 16 - Why is radiation used to treat some forms of...Ch. 16 - Prob. 38TISCh. 16 - Prob. 39TISCh. 16 - Prob. 43TCCh. 16 - Lets assume that human height is a polygenic trait...Ch. 16 - Prob. 45TCCh. 16 - If an organisms diploid cells have 64 chromosomes,...Ch. 16 - One strand of DNA has the nucleotide sequence...Ch. 16 - A section of DNA with the nucleotide sequence...Ch. 16 - Suppose an mRNA molecule with the nucleotide...Ch. 16 - Suppose an mRNA molecule has the nucleotide...Ch. 16 - Suppose an mRNA molecule has the nucleotide...Ch. 16 - You have a pea plant with round seeds. Can you say...Ch. 16 - A woman carries an allele for red-green...Ch. 16 - What is the difference between genotype and...Ch. 16 - Prob. 55TECh. 16 - Is your finger made of diploid cells or haploid...Ch. 16 - Why do some of your cells have only 23 chromosomes...Ch. 16 - What kind of sex chromosomes do you have? Where in...Ch. 16 - Do different types of cells in your body have...Ch. 16 - Prob. 60TECh. 16 - Prob. 61TECh. 16 - Prob. 62TECh. 16 - Explain why scientists initially thought that...Ch. 16 - Prob. 64TECh. 16 - When DNA is copied, why isnt there an old molecule...Ch. 16 - Prob. 66TECh. 16 - How is transcription similar to DNA replication?...Ch. 16 - We compared mRNA processing to editing aggfr...Ch. 16 - Prob. 69TECh. 16 - Prob. 70TECh. 16 - Are point mutations in the first, second, and...Ch. 16 - Why is a frameshift mutation more likely to...Ch. 16 - You are studying two different mutations in a gene...Ch. 16 - You are studying two different mutations in a gene...Ch. 16 - Prob. 75TECh. 16 - Survivors of the atomic bombs in Hiroshima and...Ch. 16 - How can the same two parents produce children that...Ch. 16 - Prob. 78TECh. 16 - Prob. 79TECh. 16 - Explain how a trait can skip generations.Ch. 16 - If you have dimples, will all your children have...Ch. 16 - Is it possible for two parents with widows peaks...Ch. 16 - Prob. 83TECh. 16 - You are in an accident and you need a blood...Ch. 16 - Universal receivers are people who can safely...Ch. 16 - Why are there more color-blind men than...Ch. 16 - Does all your DNA code for proteins?Ch. 16 - Prob. 88TECh. 16 - Cancer is caused by genes gone awryyet cancer is...Ch. 16 - Are older people or younger people more likely to...Ch. 16 - Prob. 91TECh. 16 - Prob. 92TECh. 16 - Prob. 93TECh. 16 - How can genetic engineering help humans adapt to...Ch. 16 - How might genetic engineering affect the human...Ch. 16 - What is a superweed? Explain the benefits and...Ch. 16 - Write a letter to Grandpa telling him about...Ch. 16 - What are the three types of RNA, and what is the...Ch. 16 - You friend Stacie says, I understand how a point...Ch. 16 - Listen to this, your friend says, reading from a...Ch. 16 - Does the process of meiosis explain Mendels two...Ch. 16 - In the case of linked genes, explain why two genes...Ch. 16 - You learned that when red snapdragons are bred...Ch. 16 - Artemisinin is a powerful antimalaria drug....Ch. 16 - Prob. 105TDICh. 16 - If an organisms haploid cells have 10 chromosomes,...Ch. 16 - One strand of DNA has the sequence AGCCTG. The...Ch. 16 - Prob. 3RATCh. 16 - Which type of mutation describes the substitution...Ch. 16 - Prob. 5RATCh. 16 - In humans, having dimples is a dominant trait...Ch. 16 - Prob. 7RATCh. 16 - More than 99.9 of the human genome a carries...Ch. 16 - Prob. 9RATCh. 16 - Prob. 10RAT
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- A block of mass m₁ = 10.0 kg is connected to a block of mass m₂ = 34.0 kg by a massless string that passes over a light, frictionless pulley. The 34.0-kg block is connected to a spring that has negligible mass and a force constant of k = 200 N/m as shown in the figure below. The spring is unstretched when the system is as shown in the figure, and the incline is frictionless. The 10.0-kg block is pulled a distance h = 22.0 cm down the incline of angle 0 = 40.0° and released from rest. Find the speed of each block when the spring is again unstretched. m/s Vm1 Vm2 m/s mi m2 k iarrow_forwardTruck suspensions often have "helper springs" that engage at high loads. One such arrangement is a leaf spring with a helper coil spring mounted on the axle, as in the figure below. The helper spring engages when the main leaf spring is compressed by distance yo, and then helps to support any additional load. Consider a leaf spring constant of 5.45 × 105 N/m, helper spring constant of 3.60 × 105 N/m, and y = 0.500 m. Truck body Dyo Axle (a) What is the compression of the leaf spring for a load of 4.90 × 105 N? m (b) How much work is done compressing the springs? ]arrow_forwardA skier of mass 75 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 50 m up a 30° slope (assumed frictionless) at a constant speed of 2.8 m/s? KJ (b) What power (expressed in hp) must a motor have to perform this task? hparrow_forward
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