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Advanced Biology
Test Description: Chapter 3 and 4
Instructions: Answer all questions to get your test result.
1) The idea that all living things are composed of cells and that all cells come from other cells defines
A
the laws of inheritance.
B
inheritance of acquired characteristics.
C
cell theory.
D
organelle theory.
2) In the plasma membrane, the phospholipid heads
A
are hydrophobic and face inward, shielded from water
B
are hydrophilic and face outward towards the aqueous solution on both sides of the membrane
C
are hydrophilic and face inward, shielded from water
D
are hydrophobic and face outward towards the aqueous solution on both sides of the membrane
3) Which of the following structures is exclusively associated with prokaryotic cells?
A
chromosome
B
nucleoid
C
ribosomes
D
a membrane-bound nucleus
4) ________ cells lack a membrane-enclosed nucleus.
A
Fungal
B
Eukaryotic
C
Plant
D
Prokaryotic
5) Unlike animal cells, plant cells have ________ and ________. Unlike plant cells, animal cells have ________.
A
chloroplasts . . . cell walls . . . a nucleus
B
centrioles . . . chloroplasts . . . cell walls
C
chloroplasts . . . cell walls . . . centrioles
D
centrioles . . . cell walls . . . large central vacuoles
6) Which location in the cell is unlikely to contain ribosomes or ribosomal subunits?
A
endoplasmic reticulum
B
cytoplasm
C
nuclear envelope
D
plasma membrane
7) Which of the following statements regarding the endomembrane system is false?
A
The endomembrane system includes the rough and smooth endoplasmic reticulum.
B
The endomembrane system includes the nuclear envelope.
C
The endomembrane system is a system of interrelated membranes that are all physically connected.
D
The endomembrane system is involved in the synthesis, storage, and export of important molecules.
8) The Golgi apparatus
A
strings together amino acids to produce proteins.
B
is composed of stacks of membranous vesicles that are continuous with one another.
C
is the site of carbohydrate breakdown.
D
stores, modifies, and packages proteins.
9) The stroma is the
A
thick fluid enclosed by the inner chloroplast membrane.
B
space between the inner and outer membranes of a chloroplast.
C
space between the inner and outer membranes of a mitochondrion.
D
watery fluid enclosed by the inner membrane of a mitochondrion.
10) The extracellular matrix attached to cells via glycoproteins that then bind to _______ in the plasma membrane.
A
integrins
B
polysaccharides
C
collagen
D
dynein
11) Which of the following statements about enzymes is false?
A
They increase the rate of chemical reactions.
B
They regulate virtually all chemical reactions in a cell.
C
They are monomers used to build proteins.
D
They function as chemical catalysts.
12) The storage form of carbohydrates is ________ in animals and ________ in plants.
A
glycogen . . . cellulose
B
starch . . . glycogen
C
glycogen . . . starch
D
cellulose . . . glycogen
13) Skin cells are fastened into strong sheets by
A
communicating junctions.
B
anchoring junctions.
C
tight junctions.
D
basal bodies.
14) A disaccharide forms when
A
two starches join by dehydration synthesis.
B
two starches join by hydrolysis.
C
two monosaccharides join by hydrolysis.
D
two monosaccharides join by dehydration synthesis.
15) Which of the following options correctly pairs a polymer and its monomer?
A
DNA, nucleotides
B
RNA, ribose
C
cellulose, amino acids
D
collagen, nucleic acids
16) The results of dehydration synthesis can be reversed by
A
the addition of an amino group.
B
polymerization.
C
hydrolysis.
D
condensation.
17) Proteins differ from one another because
A
each protein contains its own unique sequence of sugar molecules.
B
the peptide bonds linking amino acids differ from protein to protein.
C
the sequence of amino acids in the polypeptide chain differs from protein to protein.
D
the number of nucleotides found in each protein varies from molecule to molecule.
18) Organic compounds
A
always contain oxygen.
B
always contain nitrogen.
C
are synthesized only by animal cells.
D
always contain carbon.
19) Which of the following lists contains only polysaccharides?
A
starch, amino acids, and glycogen
B
fructose, cellulose, and glucose
C
sucrose, starch, and cellulose
D
cellulose, starch, and glycogen
20) Fatty acids are
A
composed of four linked rings.
B
composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio.
C
hydrophobic.
D
composed of carbon, hydrogen, glycerol, and a phosphate group.
*select an answer for all questions
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