Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 1, Problem 46RQ
Summary Introduction
To review:
The comparison between the general features of amanmade complex system and a living system.
Introduction:
A system is an interconnected and interactive assembly of
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Question 1.
Enzymes, proteins and deoxyribonucleic acid (DNA) are important biological
macromolecules. Enzymes are not only speed up the reaction, but also are necessary for DNA
reproduction.
c) Describe an example of biomedical application that utilizes a protein folding technique.
d) Describe the effect of pH on the oxygen binding affinity of hemoglobin.
The cell membrane contains certain pores in it. This allows only a few substances to pass through the cell membrane. This property is called _________________.
There are two types of living cells: ____________________and prokaryotic cells.
Chapter 1 Solutions
Biochemistry: The Molecular Basis of Life
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- A property conferred by the complexity and dynamics of a system is called a(n) _______________ property.arrow_forwardThere are two types of prokaryotes: bacteria and____________________.arrow_forwardQuestion 4. Diabetes mellitus possesses a serious health challenge worldwide and there has been an increased awareness for self-monitoring and point of care testing. The development of self- monitoring of blood glucose (SMBG) is probably the most important advance in controlling diabetes since the discovery of insulin. c) Compare the sensitivity and accuracy of glucose meter with a spectrophotometer. d) Elaborate the limitation of glucose meter in diagnostic application? e) Examine the advantage of DNA based biosensor as compared to enzyme biosensorarrow_forward
- Question 1. Enzymes, proteins and deoxyribonucleic acid (DNA) are important biological macromolecules. Enzymes are not only speed up the reaction, but also are necessary for DNA reproduction. e) Michaelis - Menten Kinetics model explains how reaction rates are depending on the concentration of enzyme and substrate. i. What is meant by the saturation of enzyme? ii. A decrement in enzyme activity is known as enzyme inhibition. Based on normal enzyme activity, explain the enzyme kinetics for competitive inhibition and noncompetitive inhibition, as shown in Figure 1. Normal enzyme Competitive inhibitor Noncompetitive inhibitor Substrate concentration Figure 1: Enzyme inhibition f) What is the importance of cofactor in the enzyme activity? Give an example of a disease that is related with cofactors. Rate of reactionarrow_forwardWhat is the Krebs bicycle?arrow_forwardProteins in/on target cells that bind messenger molecules and cause a response in the cells are called _________________.arrow_forward
- Question 7 2.5 pts Diseases such as typhus, typhoid, cholera, and dysentery were rife in the army hospitals during the 1800's. Many more soldiers were dying from diseases than from wounds. worked towards improvements in sanitation conditions, nutrition, and activity during the Crimean War. O Sir Austin Bradford Hill O Robert Koch O W.E.B. DuBois O Florence Nightingale O John Snowarrow_forwardThere are two types of prokaryotes: _____________ and _____________.arrow_forwardQuestion #2 To isolate DNA from cells, you must disrupt the cell Therefore, you treated your cells with a lysis buffer that contains a detergent. You also heated the cells and vortexed them during this time. What chemical property does the detergent in the lysis buffer have that helps disrupt a cell membrane? Briefly explain your answer. How does vortexing and heating your samples aid in disrupting the membrane?arrow_forward
- Neurotransmitters that are either amino acids or amino acid derivatives are referred to as _____________ .arrow_forwardQuestion 27 Distinguish the correct order of symptoms that may occur when the brain's dose of toluene goes from low to high. O 1) Slurred speech, euphoria, rapid heartbeat, ringing in ears O 2) Ringing in ears, euphoria, double vision, slurred speech 3) Slurred speech, rapid heartbeat, euphoria, ringing in ears O 4) Euphoria, double vision, slurred speech, dizziness 5) Euphoria, slurred speech, hallucinations, rapid heartbeatarrow_forwardQuestion 14 a) Radioactive decay produces ionising radiation. Like all ionising radiation this can lead to harmful effects on living tissue due to cell damage including damage to DNA, mutation and cell death. Contrast the differing health risks associated when working with alpha, beta or gamma radiation sources. b) Describe some ways in which those working with radioactive sources and people in general can be protected against the risks of radiation exposure from such sources.arrow_forward
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