BIOLOGY 1201 FINAL EXAM- MORONEY
LSU WITH COMPLETE SOLUTIONS
An element has 8 protons, 9 neutrons, and 8 electrons. Its atomic number and atomic
mass, respectively are_____. - ANSWER-8 and 17
Which four elements make up approximately 96% of living matter? - ANSWER-carbon,
hydrogen, nitrogen, oxygen
If the pH of a solution is decreased from pH 7 to pH 5, it means that the - ANSWER-
concentration of OH- is 100 times less than what it was at pH7
A molecule that has all nonpolar covalent bonds would be - ANSWER-hydrophobic
What is the main substance that makes up the interior of a potato tuber? - ANSWER-
Starch
The overall three-dimensional shape of a single polypeptide is called the _____. -
ANSWER-Tertiary structure
Which one of the following functional group is important in protein folding? - ANSWER-
R-NH2
R-SH
R-COOH
R-OH
Which if the following structures directs newly made proteins to their correct location in
the cell? - ANSWER-Golgi Apparatus
Insulin, a protein secreted by some pancreas cells is made on_____. - ANSWER-The
rough endoplasmic reticulum
While at the store you buy some celery. The cells in the celery stalks are_____. -
ANSWER-alive
In which structure below do all of the atoms have reasonable numbers of chemical
bonds? - ANSWER-H
|
N
/\
HH
Erythrose, a 4 carbon sugar, has the following chemical formula - ANSWER-C4H8O4
, One strand of DNA has the sequence 5'A-T-A-A-G-G-A-T-3' - ANSWER-5' A-T-C-C-T-
T-A-T-3'
Which of the following is a false statement with respect to cellulose. - ANSWER-
Cellulose is a major food source for all animals because it is easily digested
carboxylic acid (exam 1) - ANSWER-O
-C=
\
O-
sulfhydryl group - ANSWER--S-H
In pure water about how many of the water molecules are dissociated into H+ and OH-?
- ANSWER-Less than 1 in 1 million water molecules has dissociated
This component is found in eukaryotic cells______. - ANSWER-Carbohydrate
lipid
protein
nucleic acid
The cytoskeleton is composed of______. - ANSWER-Protein
What is the approximate atomic mass of an atom with 16 neutrons, 15 protons, and 15
electrons? - ANSWER-31 daltons
Large nucleic acids are synthesized from nucleotide monomers by which process? -
ANSWER-the removal water (dehydration reactions)
What organelle is shown in the picture? - ANSWER-Chloroplast
The molecular formula of glucose is C6H12O6. What would be the molecular formula of
a polymer mad by linking ten glucose molecules together? - ANSWER-C60H102O51
An atom having an atomic number of 10 and a mass of 22 would be expected to
have_____ neutrons - ANSWER-12
An unequal sharing of electrons between atoms results in - ANSWER-A polar covalent
bond
Different atomic forms of an element contain the same number of protons but a different
number of neutrons. What are these different atomic forms called? - ANSWER-isotopes
The R group of side chain of the amino acid serine is -CH2-OH. The R group or side
chain of the amino acid leucine is -CH2-CH-(CH3)2. Where would you expect to find
LSU WITH COMPLETE SOLUTIONS
An element has 8 protons, 9 neutrons, and 8 electrons. Its atomic number and atomic
mass, respectively are_____. - ANSWER-8 and 17
Which four elements make up approximately 96% of living matter? - ANSWER-carbon,
hydrogen, nitrogen, oxygen
If the pH of a solution is decreased from pH 7 to pH 5, it means that the - ANSWER-
concentration of OH- is 100 times less than what it was at pH7
A molecule that has all nonpolar covalent bonds would be - ANSWER-hydrophobic
What is the main substance that makes up the interior of a potato tuber? - ANSWER-
Starch
The overall three-dimensional shape of a single polypeptide is called the _____. -
ANSWER-Tertiary structure
Which one of the following functional group is important in protein folding? - ANSWER-
R-NH2
R-SH
R-COOH
R-OH
Which if the following structures directs newly made proteins to their correct location in
the cell? - ANSWER-Golgi Apparatus
Insulin, a protein secreted by some pancreas cells is made on_____. - ANSWER-The
rough endoplasmic reticulum
While at the store you buy some celery. The cells in the celery stalks are_____. -
ANSWER-alive
In which structure below do all of the atoms have reasonable numbers of chemical
bonds? - ANSWER-H
|
N
/\
HH
Erythrose, a 4 carbon sugar, has the following chemical formula - ANSWER-C4H8O4
, One strand of DNA has the sequence 5'A-T-A-A-G-G-A-T-3' - ANSWER-5' A-T-C-C-T-
T-A-T-3'
Which of the following is a false statement with respect to cellulose. - ANSWER-
Cellulose is a major food source for all animals because it is easily digested
carboxylic acid (exam 1) - ANSWER-O
-C=
\
O-
sulfhydryl group - ANSWER--S-H
In pure water about how many of the water molecules are dissociated into H+ and OH-?
- ANSWER-Less than 1 in 1 million water molecules has dissociated
This component is found in eukaryotic cells______. - ANSWER-Carbohydrate
lipid
protein
nucleic acid
The cytoskeleton is composed of______. - ANSWER-Protein
What is the approximate atomic mass of an atom with 16 neutrons, 15 protons, and 15
electrons? - ANSWER-31 daltons
Large nucleic acids are synthesized from nucleotide monomers by which process? -
ANSWER-the removal water (dehydration reactions)
What organelle is shown in the picture? - ANSWER-Chloroplast
The molecular formula of glucose is C6H12O6. What would be the molecular formula of
a polymer mad by linking ten glucose molecules together? - ANSWER-C60H102O51
An atom having an atomic number of 10 and a mass of 22 would be expected to
have_____ neutrons - ANSWER-12
An unequal sharing of electrons between atoms results in - ANSWER-A polar covalent
bond
Different atomic forms of an element contain the same number of protons but a different
number of neutrons. What are these different atomic forms called? - ANSWER-isotopes
The R group of side chain of the amino acid serine is -CH2-OH. The R group or side
chain of the amino acid leucine is -CH2-CH-(CH3)2. Where would you expect to find
