Biology: Concepts and Investigations (Looseleaf) - With Access (Custom)
3rd Edition
ISBN: 9781259331923
Author: Hoefnagels
Publisher: MCG
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Chapter 3, Problem 3MCQ
Summary Introduction
Introduction:
The cell membrane or plasma membrane of all the cells is made up of phospholipids and proteins. The phospholipids for a bi-lipid layer around the cytoplasm and the proteins are embedded in it. It is fluid as explained by the fluid mosaic model.
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Which is incorrect about the plasma membrane?
a.
It has a hydrophobic interior and hydrophilic region that faces water.
b.
Cholesterol affects the fluid nature of the membrane.
c.
Proteins embedded in the lipid bilayer do not move.
d.
It surrounds all living cells
Which functions are carried out by smooth endoplasmic reticulum?
A. Makes phospholipids and stores calcium
B. Breaks down cellular wastes and debris via enzymes
C. Modifies polypeptides and lipids then sorts and packages the finished products into vesicles
D. Folds and modifies proteins and polypeptides via surface ribosomes
Make a sandwich based on the cell membrane structure.
Chapter 3 Solutions
Biology: Concepts and Investigations (Looseleaf) - With Access (Custom)
Ch. 3.1 - Why are cells, not atoms, the basic units of life?Ch. 3.1 - How have microscopes advanced the study of cells?Ch. 3.1 - What are the original components of the cell...Ch. 3.1 - Prob. 4MCCh. 3.1 - Which molecules and structures occur in all cells?Ch. 3.1 - Describe adaptations that increase the ratio of...Ch. 3.2 - How do prokaryotic cells differ from eukaryotic...Ch. 3.2 - Prob. 2MCCh. 3.2 - What is the relationship between cells and...Ch. 3.2 - Prob. 4MC
Ch. 3.3 - Prob. 1MCCh. 3.3 - How does the chemical structure of phospholipids...Ch. 3.3 - Where in the cell do phospholipid bilayers occur?Ch. 3.3 - Prob. 4MCCh. 3.3 - Prob. 5MCCh. 3.4 - Prob. 1MCCh. 3.4 - Prob. 2MCCh. 3.4 - What is the function of the nucleus and its...Ch. 3.4 - Prob. 4MCCh. 3.4 - Which organelle houses the reactions that extract...Ch. 3.4 - Prob. 5MCCh. 3.4 - Prob. 7MCCh. 3.5 - Prob. 1MCCh. 3.5 - Prob. 2MCCh. 3.5 - Prob. 3MCCh. 3.6 - Prob. 1MCCh. 3.6 - Prob. 2MCCh. 3.6 - Prob. 3MCCh. 3.6 - Prob. 4MCCh. 3.7 - Prob. 1MCCh. 3.7 - Prob. 2MCCh. 3 - Prob. 1MCQCh. 3 - One property that distinguishes cells in domain...Ch. 3 - Prob. 3MCQCh. 3 - Which of the following organelles are associated...Ch. 3 - Within a single cell, which of the following is...Ch. 3 - Prob. 6MCQCh. 3 - Prob. 7MCQCh. 3 - Prob. 1WIOCh. 3 - List the features that all cells share; then name...Ch. 3 - If a eukaryotic cell is like a house, how is a...Ch. 3 - Prob. 4WIOCh. 3 - Prob. 5WIOCh. 3 - Rank the following in order from smallest to...Ch. 3 - Which cell in figure 3.31 has the highest ratio of...Ch. 3 - What advantages does compartmentalization confer...Ch. 3 - Prob. 9WIOCh. 3 - 10. Emulsifiers are common food additives. A...Ch. 3 - Prob. 11WIOCh. 3 - Prob. 12WIOCh. 3 - Prob. 13WIOCh. 3 - How does the cytoskeleton interact with other...Ch. 3 - Prob. 15WIOCh. 3 - Prob. 16WIOCh. 3 - How might you connect the terms proteins and...Ch. 3 - Add the three main components of the cytoskeleton...Ch. 3 - Prob. 3PITCh. 3 - Prob. 4PITCh. 3 - Adel chloroplast, lysosome, and vacuole to this...Ch. 3 - Prob. 6PIT
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- Plant cell wall is characterized with having A. Cellulose B. chitin C. Peptidoglycan D. Glycogenarrow_forwardUse a phenomenon to explain how materials (water, glucose, oxygen/carbon dioxide) pass thru the cell membrane. In your explanation, be sure to include: the components of the cell membrane the structure and chemical properties of the molecules involvedarrow_forwardA student explains that plant cells have cell walls but not cell membranes, while animal cells have cell membranes but not cell walls. What is wrong with this statement?arrow_forward
- Give typing answer with explanation and conclusion What class of biomolecule makes up the cell wall of a plant cell? A. lipid B. carbohydrate C. nucleic acid D. proteinarrow_forwardProduce a diagram to illustrate the different types of molecules found in cells. Briefly describe their properties and functions within the cell.arrow_forwardWhich macromolecule is a primary component of cell walls, and which argument provides evidence for how the structure of this molecule relates to its purpose within the cell wall? A Lipids are the primary component, and they repel and prevent excess uptake of water because they form carbon chains. B Lipids are the primary component, and they protect the cell and help maintain its shape because they form carbon rings. C Carbohydrates are the primary component, and they repel and prevent excess uptake of water because they form carbon chains. D Carbohydrates are the primary component, and they protect the cell and help maintain its shape because they form carbon rings.arrow_forward
- What is the first step in protein synthesis? A. making an RNA copy of the DNA within the nucleus B. making a sequence of amino acids C. forming peptide bonds between amino acids D. making a copy of RNA with DNA outside the nucleusarrow_forwardwhich statement about phospholipids is false? a. they are hydrophobic at one end b. they are hydrophilic at one end c. they are used as organisms main form of long-term energy storage d. they are a major constituent of cell membranesarrow_forwardGive only typing answer with explanation and conclusion The chemical reactions that take place in a cell,as compared to the chemistry in nonliving matter primarily occur a) Betwen simple molecules b) in a hydrophobic environment c) in extremw temperatures d) between carbon based moleculesarrow_forward
- Which structure is the the site of the synthesis of proteins that will be used inside the cell? a. Golgi B. Smooth ER C. Rough ER D. free ribosomesarrow_forwardWrite short answers. i. Why proteins lose their function upon change in their 3D structure?arrow_forwardIn three sentence, how does ribosome relate to DNAarrow_forward
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