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Question 1
3.2 out of 3.2 points
house enzymes that trap carbon dioxide and bind it to larger substrate
molecules.
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Answer:
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Question 2
Carboxysom
es
3.2 out of 3.2 points
The bases in a DNA molecule include all of the following except
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Answer:
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Question 3
Glycoproteins
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Answer:
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Question 4
uraci
l.
are molecules that are partially simple sugars and
partially protein.
3.2 out of 3.2 points
3.2 out of 3.2 points
Ribosomes in an acinar cell generate the amino acid sequence of the digestive enzyme
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Answer:
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Question 5
amylas
e.
3.2 out of 3.2 points
The structure of testosterone could best be described as
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Answer:
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Question 6
four rings of carbon atoms bonded together with hydrogen atoms
around the edges.
3.2 out of 3.2 points
A eukaryotic cell structure (organelle) in which the final stages of protein maturation are
completed:
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Answer:
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Question 7
the Golgi
complex
3.2 out of 3.2 points
In order for the nasty bacterium Streptococcus pyogenes to adhere to your throat cells,
attachment to your cells must be made. This is done using new proteins called
and
new cell structures called
.
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Answer:
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Question 8
adhesins,
fimbriae
3.2 out of 3.2 points
, the cell’s DNA plus its scaffolding contains the cell’s archive of .
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Answer:
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Question 9
Chromatin,
information
3.2 out of 3.2 points
Respiratory proteins, ion channels, transport proteins and attachment point proteins are
all examples of protein found
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Answer:
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Question 10
within the membrane of a prokaryotic
bacterial cell.
3.2 out of 3.2 points
In a eukaryotic cell the reactions of
process energy into the form of ATP within a
structure called the
.
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Answer:
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Question 11
Which is not
cell respiration,
mitochondrion
3.2 out of 3.2 points
a function of a lipid?
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Question 12
storing information as DNA in the
nucleus.
3.2 out of 3.2 points
The Streptococcal cell structure that does the most direct damage to the human body is
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Answer:
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Question 13
hemolysin
protein.
3.2 out of 3.2 points
It is impossible to write a brief dictionary definition of life because
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Answer:
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Question 14
a good description of life is too complex to get into a
small definition.
3.2 out of 3.2 points
Which of the following eukaryotic structures (organelles) uses photosynthesis to capture
solar energy?
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Answer:
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Question 15
chloropla
st
3.2 out of 3.2 points
A eukaryotic cell structure (organelle) that results when a vesicle formed from the Golgi
complex simply remains in the cytoplasm of the cell:
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Answer:
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Question 16
the
lysosome
3.2 out of 3.2 points
Five of the six carbon atoms in a glucose molecule are typically found
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Question 17
bonded together with an oxygen atom in a ring
structure.
3.2 out of 3.2 points
Bacteria are typically very small, yet even the largest bacterium is still a prokaryote
because it
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Answer:
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Question 18
does not have a well-defined
nucleus.
3.2 out of 3.2 points
The structure of a phospholipid molecules admirably suits it to the function of
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Question 19
separating a cell’s internal aqueous environment from the
external one.
3.2 out of 3.2 points
Which of these cell organelles has ribosomes in its membranes? (Ribosomes do protein
synthesis.)
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Answer:
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Question 20
rough endoplasmic
reticulum
3.2 out of 3.2 points
DNA contains four kinds of nitrogenous bases whose principle function is
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Answer:
determining how the cell
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Question 21
structures itself.
3.2 out of 3.2 points
The binding of acetylcholine to an acinar cell surface receptor protein causes an
immediate
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Answer:
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Question 22
change in the calcium ion concentration within the acinar cell
cytoplasm.
3.2 out of 3.2 points
Some bacterium always lives in surroundings with the same concentration of dissolved
substances as in their own cytoplasm. These bacteria will not need
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Answer:
thick cell
walls.
An important function of the eukaryotic cell membrane is to
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Question 24
maintain the high level of orderliness found
within the cell.
3.2 out of 3.2 points
Cells are small because
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Question 25
the diffusion rate of molecules won’t support life over
greater distances.
3.2 out of 3.2 points
A single-stranded polymer whose monomers contain the sugar ribose and the
nitrogenous base uracil:
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RN
Answer:
A
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Question 23
3.2 out of 3.2 points
