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Bio 1406 exam2 Questions and Correct
Answers
Cell theory Ans: What theory states that all living things are
composed of cells
Scanning electron microscope Ans: What type of microscope
would be best for studying the detailed structure of the surface of
a plasma membrane?
Prokaryotic Ans: 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. Ans: have membrane-
bound organelles, which are lacking in
Cytoplasm Ans: In eukaryotic cells, what name is given to the
region between the nucleus and the plasma membrane?
a function of the plasma membrane? Ans: regulation of the
passage of material into and out of the cell
Phospholipids Ans: _ are the major lipids of plasma membranes.
have hydrophilic phosphate groups that are attracted to water and
hydrophobic fatty acid tails that avoid water Ans: When mixed
with water, phospholipids spontaneously form membranes
because they ______
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, 2 | Page
phospholipids and most proteins to drift about in the plane of the
membrane Ans: The concept of a membrane as a fluid mosaic
reflects the ability of ____
Protect and support cells Ans: The extracellular coats of cells
______.
Genes Ans: store the information necessary to produce proteins.
Double membrane Ans: The nuclear envelope is composed of
Chromatin Ans: The structural combination of DNA and protein
forms
46 Ans: Most human cells contain ______ chromosomes.
Nucleolus Ans: What name is given to the organelle that
manufactures the components of ribosomes?
Ribosomes Ans: Many antibiotic drugs are effective against
bacteria without hurting humans because the antibiotics rely upon
differences in the structure of human and bacterial ___
On ribosomes Ans: Where does protein synthesis take place?
mRna Ans: Information is transferred from the nucleus to
ribosomes via
Golgi apparatus, lysosomes, vacuoles, and the endoplasmic
reticulum Ans: The endomembrane system includes _
) attached to the endoplasmic reticulum Ans: A hormone that will
be secreted from the cell is manufactured by ribosomes _
© 2025 All rights reserved
Bio 1406 exam2 Questions and Correct
Answers
Cell theory Ans: What theory states that all living things are
composed of cells
Scanning electron microscope Ans: What type of microscope
would be best for studying the detailed structure of the surface of
a plasma membrane?
Prokaryotic Ans: 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. Ans: have membrane-
bound organelles, which are lacking in
Cytoplasm Ans: In eukaryotic cells, what name is given to the
region between the nucleus and the plasma membrane?
a function of the plasma membrane? Ans: regulation of the
passage of material into and out of the cell
Phospholipids Ans: _ are the major lipids of plasma membranes.
have hydrophilic phosphate groups that are attracted to water and
hydrophobic fatty acid tails that avoid water Ans: When mixed
with water, phospholipids spontaneously form membranes
because they ______
© 2025 All rights reserved
, 2 | Page
phospholipids and most proteins to drift about in the plane of the
membrane Ans: The concept of a membrane as a fluid mosaic
reflects the ability of ____
Protect and support cells Ans: The extracellular coats of cells
______.
Genes Ans: store the information necessary to produce proteins.
Double membrane Ans: The nuclear envelope is composed of
Chromatin Ans: The structural combination of DNA and protein
forms
46 Ans: Most human cells contain ______ chromosomes.
Nucleolus Ans: What name is given to the organelle that
manufactures the components of ribosomes?
Ribosomes Ans: Many antibiotic drugs are effective against
bacteria without hurting humans because the antibiotics rely upon
differences in the structure of human and bacterial ___
On ribosomes Ans: Where does protein synthesis take place?
mRna Ans: Information is transferred from the nucleus to
ribosomes via
Golgi apparatus, lysosomes, vacuoles, and the endoplasmic
reticulum Ans: The endomembrane system includes _
) attached to the endoplasmic reticulum Ans: A hormone that will
be secreted from the cell is manufactured by ribosomes _
© 2025 All rights reserved
