Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Question
Chapter 2, Problem 26RQ
Summary Introduction
To review:
Whether the following structures are present in a prokaryotic cell or a eukaryotic cell:
(a) Nucleus
(b) Plasma membrane
(c) Endoplasmic reticulum (ER)
(d) Mitochondria
(e) Nucleoid
(f) Cytoskeleton
Introduction:
The prokaryotic cells do not have a well-defined nucleus. The genetic material is free in the cytoplasm and is not enclosed within the nucleus. The eukaryotic cells have a nucleus that contains the genetic material (deoxyribonucleic acid).
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Chapter 2 Solutions
Biochemistry: The Molecular Basis of Life
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- Question #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__________ and_______________ are two granular organelles (enzyme complexes) that, respectively, synthesize and degrade proteins.arrow_forwardThe fatty acid tails in the plasma membrane are ______________ which means they are _______________.arrow_forward
- The cell membrane contains certain pores in it. This allows only a few substances to pass through the cell membrane. This property is called _________________.arrow_forward_____________ is a polymeric network in the prokaryotic cell wall in which short peptide chains are linked to carbohydrate chains.arrow_forwardQuestion 4.3 Now it's your turn to design and experiment. Your Aunt Kayla and Uncle Jerome, want to be home-brewers. When they find out that you have been studying yeast metabolism and the scientific method, they request your help in the study- design portion. Uncle Jerome likes beer that is very carbonated; whereas Aunt Kayla likes beer that is only mildly carbonated. They each want to make their own batch of beer. Using the information learned from this data, write instructions for each person in terms of which carbohydrate source to use and how long to allow the incubation to occur.arrow_forward
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