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Bio 1406 exam2 Questions with Answers (100% Correct
Answers)
Cell theory Answer: What theory states that all living things are
composed of cells
Scanning electron microscope Answer: What type of microscope
would be best for studying the detailed structure of the surface of a
plasma membrane?
Prokaryotic Answer: When using a light microscope to view a cell you
obtained from scraping under your fingernails, you notice that the cell
lacks a nucleus; therefore, you conclude that the cell must be a type of
______ cell.
One difference between eukaryotic and prokaryotic cells is that
eukaryotic cells ______ prokaryotic cells. Answer: have membrane-
bound organelles, which are lacking in
Cytoplasm Answer: In eukaryotic cells, what name is given to the
region between the nucleus and the plasma membrane?
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a function of the plasma membrane? Answer: regulation of the passage
of material into and out of the cell
Phospholipids Answer: _ are the major lipids of plasma membranes.
have hydrophilic phosphate groups that are attracted to water and
hydrophobic fatty acid tails that avoid water Answer: When mixed
with water, phospholipids spontaneously form membranes because
they ______
phospholipids and most proteins to drift about in the plane of the
membrane Answer: The concept of a membrane as a fluid mosaic
reflects the ability of ____
Protect and support cells Answer: The extracellular coats of cells
______.
Genes Answer: store the information necessary to produce proteins.
Double membrane Answer: The nuclear envelope is composed of
Chromatin Answer: The structural combination of DNA and protein
forms
46 Answer: Most human cells contain ______ chromosomes.
© 2025 All rights reserved
Bio 1406 exam2 Questions with Answers (100% Correct
Answers)
Cell theory Answer: What theory states that all living things are
composed of cells
Scanning electron microscope Answer: What type of microscope
would be best for studying the detailed structure of the surface of a
plasma membrane?
Prokaryotic Answer: When using a light microscope to view a cell you
obtained from scraping under your fingernails, you notice that the cell
lacks a nucleus; therefore, you conclude that the cell must be a type of
______ cell.
One difference between eukaryotic and prokaryotic cells is that
eukaryotic cells ______ prokaryotic cells. Answer: have membrane-
bound organelles, which are lacking in
Cytoplasm Answer: In eukaryotic cells, what name is given to the
region between the nucleus and the plasma membrane?
© 2025 All rights reserved
, 2
a function of the plasma membrane? Answer: regulation of the passage
of material into and out of the cell
Phospholipids Answer: _ are the major lipids of plasma membranes.
have hydrophilic phosphate groups that are attracted to water and
hydrophobic fatty acid tails that avoid water Answer: When mixed
with water, phospholipids spontaneously form membranes because
they ______
phospholipids and most proteins to drift about in the plane of the
membrane Answer: The concept of a membrane as a fluid mosaic
reflects the ability of ____
Protect and support cells Answer: The extracellular coats of cells
______.
Genes Answer: store the information necessary to produce proteins.
Double membrane Answer: The nuclear envelope is composed of
Chromatin Answer: The structural combination of DNA and protein
forms
46 Answer: Most human cells contain ______ chromosomes.
© 2025 All rights reserved
