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