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