Biology: Concepts and Investigations
4th Edition
ISBN: 9780078024207
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 4, Problem 7WIO
Considering that enzymes are essential to all cells, including microbes, why might refrigeration and freezing help preserve food?
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Refrigeration prevents the spoilage of food. What does this action have to do with the way that enzymes work?
Why do food molecules need to be broken down by cells?
Which of these statements regarding enzymes is FALSE?
Question 28 options:
a)
A particular enzyme will only work on a specific kind of molecule.
b)
Enzymes are proteins that can make or break a molecule.
c)
Enzymes are broken down by the reactions they work on.
d)
Enzymes work best at a particuluar pH and temperature.
Chapter 4 Solutions
Biology: Concepts and Investigations
Ch. 4.1 - What are some examples of the work of a cell?Ch. 4.1 - Prob. 2MCCh. 4.1 - Prob. 3MCCh. 4.1 - Prob. 4MCCh. 4.2 - What is metabolism on a cellular level?Ch. 4.2 - Prob. 2MCCh. 4.2 - Prob. 3MCCh. 4.3 - What are the main parts of an ATP molecule?Ch. 4.3 - Prob. 2MCCh. 4.3 - Describe the relationships among endergonic...
Ch. 4.4 - Prob. 1MCCh. 4.4 - Prob. 2MCCh. 4.4 - Prob. 3MCCh. 4.4 - Prob. 4MCCh. 4.4 - List three conditions that influence enzyme...Ch. 4.5 - What is diffusion?Ch. 4.5 - What types of substances diffuse freely across a...Ch. 4.5 - Prob. 3MCCh. 4.5 - Prob. 4MCCh. 4.5 - Prob. 5MCCh. 4.5 - Prob. 6MCCh. 4.6 - How does a knifefish adjust its electric field?Ch. 4.6 - Prob. 2MCCh. 4 - Prob. 1MCQCh. 4 - Building proteins _____ energy; ATP hydrolysis...Ch. 4 - How does ATP participate in coupled reactions? a....Ch. 4 - How does an enzyme affect the energy of a...Ch. 4 - Imagine that you place a drop of red food coloring...Ch. 4 - Prob. 6MCQCh. 4 - Prob. 7MCQCh. 4 - Some people claim that lifes high degree of...Ch. 4 - List some examples of endergonic and exergonic...Ch. 4 - Why do electron transport chains release energy?Ch. 4 - Provide an example of an appliance that uses...Ch. 4 - Name at least four ways that a cell uses ATP.Ch. 4 - Use what you know about enzymes to propose an...Ch. 4 - Considering that enzymes are essential to all...Ch. 4 - Prob. 8WIOCh. 4 - Prob. 9WIOCh. 4 - Liver cells are packed with glucose. If the...Ch. 4 - List three ways the content in this chapter...Ch. 4 - Prob. 1PITCh. 4 - Prob. 2PITCh. 4 - Prob. 3PIT
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- Enzymes have all the following characteristics except: a. they act as biological catalysts b. they are proteins c. they carry out random chemical reactions d. they convert substrates into products e. they can cause genetic diseasearrow_forwardWith regard to enzymes, why are vitamins and minerals necessary for good health? Give examples.arrow_forward1) Answer the following questions about a Vegetarian diet: a) List Pros and Cons of being on the diet. b) List any possible misconceptions that may have been verified or nullified by scientific articles for this diet. c) What biochemical pathway would this diet target?arrow_forward
- What is the significance of thermotolerant E. coli? How did we use temperature to help select for it?arrow_forwardWhy is it important that enzymes are not changed by the reactions they control?arrow_forwardWith regard to enzymes, why are vitamins necessary for good health? Give examples.arrow_forward
- Identify chemical reactions involved in food preparation and preservation. Explain how these processes impact life and the environment. Discuss how their rates can be controlled to either enhance their beneficial effects or lessen their adverse effects.arrow_forwarda) what happens if an enzyme is not made correctly? b) what is the function of the major RNA is it proteins synthesis? c) what is the primary source of all glucose, and why is it such an important monosaccharide?You need to include its molecular formula. d) when you react ammonia with a halogenated alkane will you get only one organic product? Why or why not? (do not talk about inorganic products) e) emulsifiers are pretty important compounds for daily life, externally and internally to us humans. Describes the two parts of an emulsifier molecule, and how most emulsifiers work and what they actually do. f) consider the ring structure of B-D glucose. it will give a positive test as a reducing sugar. Describe how that can happen in a pH=7 solution such as fehlings'?arrow_forwardEnzyme Inhibitors inhibit the activity of the enzyme. i) Competitive Inhibitors: ii) Non-Competitive Inhibitorsarrow_forward
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