EBK BIOLOGY
10th Edition
ISBN: 9780133556209
Author: *BYERS
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 11, Problem 3AC
BioEthics If you enter "myostatin blocker" into an Internet search engine, you will find sites selling substances that are claimed to block the action of myostatin, and thereby supposedly help to build larger muscles. Let's assume that they work (most probably don't). From what you have learned about myostatin in this chapter, would this be a safe, effective way to bulk up? If you were a member of the World Anti-Doping Agency, would you allow athletes to compete in the Olympics who have used myostatin blockers?
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Chapter 11 Solutions
EBK BIOLOGY
Ch. 11 - 1. DNA consists of subunits called_________. Each...Ch. 11 - The subunits of DNA are assembled by linking...Ch. 11 - The “base pairing rule” in DNA is that adenine...Ch. 11 - 4. When DNA is replicated, two new DNA double...Ch. 11 - The DNA double helix is unwound by an enzyme...Ch. 11 - 6. Sometimes mistakes are made during DNA...Ch. 11 - Describe the experimental evidence that DNA is the...Ch. 11 - Draw the general structure of a nucleotide. Which...Ch. 11 - 2. Draw the general structure of a nucleotide....Ch. 11 - Describe the structure of DNA. Where are the...
Ch. 11 - Describe the structure of DNA. Where are the...Ch. 11 - How is information encoded in the DNA molecule?Ch. 11 - 5. Describe the process of DNA replication.
Ch. 11 - How do mutations occur? Describe the principal...Ch. 11 - In an alternate universe, DNA is constructed of...Ch. 11 - 1. In an alternate universe, although proteins are...Ch. 11 - BioEthics If you enter "myostatin blocker" into an...
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- Using the biceps brachii as an example, describe the biochemical and mechanochemical series of events that enables motor neurons to trigger muscle contraction. Thank you!arrow_forwardYour friend wants to join you in your exercise routine, which includes running at least 3 km every morning. This form of exercise requires adequate energy. Discuss three pathways that are involved in the production of energy during muscle contractionarrow_forwardTrue or Falsearrow_forward
- Thank youarrow_forwardThe human body has mainly two types of muscle fibres: slow-twitch and fast-twitch. The { slow or fast} twitch contract slowly and resist fatigue and produce most of their energy through { aerobic or anaerobis} rispiration. These muscle fibres are best used for activities like { weight lifting and playing tennis or biking and jogging} The { slow or fast} twitch are adapted for the rapid regeneration of power. They can best be used in activities such as { weight lifting and playing tennis or biking and jogging}. They are rich in glycogen and depend on { aerobic or anaerobis} rispiration. to produce energy. This leaves them vulnerable to the accumulation of lactate and they fatigue quickly. which one are those? the answersarrow_forwardelectrophysiology Using your knowledge, list the excitation contraction coupling events that explain how a muscle fiber contracts starting from the definition of a motor unit. (you can use a flow diagram or point form) |No molecular details and no crossbridge cycle required.arrow_forward
- Actin is sometimes called the "thick" filament. It splits ATP and is responsible for the "power stroke" during muscle contraction. True Falsearrow_forwardWhat do you mean by myosin myofilaments?arrow_forwardCompare and contrast the major biochemical and mechanical properties of the three primary types of muscle fibers found in human skeletal muscle.arrow_forward
- Hello, may I please get help with this physiology question? An explanation leading to the correct answer would be helpful! Scenario: Your friend Arnold S, who sometimes goes by "Dutch", has started lifting weights because he wants his muscles to get bigger. He's done a little bit of research, and he tells you that weight lifting is increasing the size of myofibrils. Arnie is getting huge, and so you are hesitant to correct him, but you know that what he's saying isn't quite right. The more likely explanation for Arnold's muscles getting bigger is...arrow_forwardTable1.Contractionofsmoothmusclebythreeagonists Contractileresponse(mm) Loglagonist] (M) -10 -9 -8.5 -8 -7.5 -7 -6.5 -6 -5.5 -5 -4.5 -4 agonist-1 0.2 1.8 4 9.8 14.8 18 19.6 19.4 20 20 20 20 agonist-2 0.2 1 2.6 4 7.6 8.8 9.6 9.8 10 10 agonist-3 0.2 2 5.2 10 14.8 18 19.6 20 a) Experiments were performed on the contraction of smooth muscleusingincreasingconcentrationsofthreeagonistsandtherespo nsesare given in Table 1. The maximum response of the system was 20mm contraction. Calculate the % maximum response of the systemforeachconcentrationofagonistandplotgraphsshowingthede pendence of the response on log [agonist]. Compare the threeagonists in terms of their maximal effect and their potency usingpharmacologicalterms. EIN 5arrow_forward2) Phosphorylation of will transform curled into the uncurled form and initiates the smooth muscle contractionarrow_forward
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