BIOL 200 - ANKI IMPORT EXAM
QUESTIONS AND ANSWERS GRADED A+
2026
Polymer - ANS covalent bond linked chain of monomers
DNA, RNA, and protein are [...] - ANS DNA, RNA, and protein are informational biopolymers
Informational polymers have more than one kind of monomer. The order of information ([...]) is
the information - ANS Informational polymers have more than one kind of monomer. The
order of information (sequence) is the information
Informational polymers have more than one kind of monomer. The order of information
(sequence) is the [...] - ANS Informational polymers have more than one kind of monomer.
The order of information (sequence) is the information
Monomers have a characteristic element ([...]) and common element ([...]) - ANS Monomers
have a characteristic element (variable group) and common element (backbone)
Polymerization - ANS combining of monomers
Backbone - ANS covalent bond between monomers
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1
,Side chain - ANS characteristic elements from polymer backbone
One joining sites per monomer = [...] - ANS One joining sites per monomer = dimer
Two joining sites = [...] - ANS Two joining sites = infinite linear molecule
3 binding sites per molecule allow for branched polymers. These are often [...] but not [...] -
ANS 3 binding sites per molecule allow for branched polymers. These are often
carbohydrates but not informational biopolymers
3 binding sites per molecule allow for [...]. These are often carbohydrates but not informational
biopolymers - ANS 3 binding sites per molecule allow for branched polymers. These are often
carbohydrates but not informational biopolymers
Linear molecules - [...] - [...] - [...], ex. e.coli - ANS Linear molecules - allow for more efficient
packaging and handling - scientists can determine structure more easily - can have two ends and
joined in a circle, ex. e.coli
Asymmetric Monomers - two joining sites per monomer and sites are different - drives [...] of
polymer - ANS Asymmetric Monomers - two joining sites per monomer and sites are different
- drives asymmetry of polymer
Asymmetric Monomers - [...] joining sites per monomer and sites are [...] - drives asymmetry of
polymer - ANS Asymmetric Monomers - two joining sites per monomer and sites are different
- drives asymmetry of polymer
Polymer growth is unidirectional, this means [...] - ANS Polymer growth is unidirectional, this
means polymer growth occurs only at one end
Polymer growth is [...], this means polymer growth occurs only at one end - ANS Polymer
growth is unidirectional, this means polymer growth occurs only at one end
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2
,Base pairs are also called [...] - ANS Base pairs are also called heterocyclic (nitrogenous) bases
What is the nucleotide backbone made of? - ANS "made of pentose ""five"" sugar +
phosphate"
"5' End of a Nucleotide" - ANS "The phosphate (PO4), is negatively charged and acidic (which
is why it's called a nucleic acid)"
"3' End of a Nucleotide" - ANS OH hydroxyl group, new monomers are added to this end
Ribose and 2-Deoxyribose are different in that [...] has a hydroxyl group on the 2 carbon. -
ANS Ribose and 2-Deoxyribose are different in that RNA has a hydroxyl group on the 2
carbon.
Ribose and 2-Deoxyribose are different in that RNA has a [...] on the [...]. - ANS Ribose and 2-
Deoxyribose are different in that RNA has a hydroxyl group on the 2 carbon.
DNA is more stable and RNA is less stable. This is because the OH group on the 2 carbon means
[...] - ANS DNA is more stable and RNA is less stable. This is because the OH group on the 2
carbon means RNA is less resistant to chain cleavage by hydrolysis
DNA is [...] stable and RNA is [...] stable. This is because the OH group on the 2 carbon means
RNA is less resistant to chain cleavage by hydrolysis - ANS DNA is more stable and RNA is less
stable. This is because the OH group on the 2 carbon means RNA is less resistant to chain
cleavage by hydrolysis
Purines - ANS - adenine + guanine - two fused aromatic rings
Pyrimidines - ANS - Thymine, uracil, and cytosine - One aromatic ring
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3
, The base and pentose sugar are connected by an [...] - ANS The base and pentose sugar are
connected by an N-glycosidic bond
The presence of [...] instead of [...] makes DNA easier to repair (chemical damage). RNA (with
uracil) cannot be repaired. - ANS The presence of T instead of U makes DNA easier to repair
(chemical damage). RNA (with uracil) cannot be repaired.
The presence of T instead of U makes DNA easier to [...]. RNA (with uracil) cannot [...]. -
ANS The presence of T instead of U makes DNA easier to repair (chemical damage). RNA
(with uracil) cannot be repaired.
Phosphodiester Bond - ANS Joins a phosphate and two esters (hence diester)
Trinucleotide - ANS 3 nucleotides
What is the polymer backbone in a protein? - ANS carbon
R stands for what on an amino acid? - ANS Amino acid side chain
Two forms of stereoisomers, [...] and [...] form around a chiral carbon centre. L is the only one
used in living organisms because enzymes only read one stereostructure. - ANS Two forms of
stereoisomers, L and D form around a chiral carbon centre. L is the only one used in living
organisms because enzymes only read one stereostructure.
Two forms of stereoisomers, L and D form around a chiral carbon centre. [...] is the only one
used in living organisms because [...]. - ANS Two forms of stereoisomers, L and D form around
a chiral carbon centre. L is the only one used in living organisms because enzymes only read one
stereostructure.
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
4
QUESTIONS AND ANSWERS GRADED A+
2026
Polymer - ANS covalent bond linked chain of monomers
DNA, RNA, and protein are [...] - ANS DNA, RNA, and protein are informational biopolymers
Informational polymers have more than one kind of monomer. The order of information ([...]) is
the information - ANS Informational polymers have more than one kind of monomer. The
order of information (sequence) is the information
Informational polymers have more than one kind of monomer. The order of information
(sequence) is the [...] - ANS Informational polymers have more than one kind of monomer.
The order of information (sequence) is the information
Monomers have a characteristic element ([...]) and common element ([...]) - ANS Monomers
have a characteristic element (variable group) and common element (backbone)
Polymerization - ANS combining of monomers
Backbone - ANS covalent bond between monomers
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
,Side chain - ANS characteristic elements from polymer backbone
One joining sites per monomer = [...] - ANS One joining sites per monomer = dimer
Two joining sites = [...] - ANS Two joining sites = infinite linear molecule
3 binding sites per molecule allow for branched polymers. These are often [...] but not [...] -
ANS 3 binding sites per molecule allow for branched polymers. These are often
carbohydrates but not informational biopolymers
3 binding sites per molecule allow for [...]. These are often carbohydrates but not informational
biopolymers - ANS 3 binding sites per molecule allow for branched polymers. These are often
carbohydrates but not informational biopolymers
Linear molecules - [...] - [...] - [...], ex. e.coli - ANS Linear molecules - allow for more efficient
packaging and handling - scientists can determine structure more easily - can have two ends and
joined in a circle, ex. e.coli
Asymmetric Monomers - two joining sites per monomer and sites are different - drives [...] of
polymer - ANS Asymmetric Monomers - two joining sites per monomer and sites are different
- drives asymmetry of polymer
Asymmetric Monomers - [...] joining sites per monomer and sites are [...] - drives asymmetry of
polymer - ANS Asymmetric Monomers - two joining sites per monomer and sites are different
- drives asymmetry of polymer
Polymer growth is unidirectional, this means [...] - ANS Polymer growth is unidirectional, this
means polymer growth occurs only at one end
Polymer growth is [...], this means polymer growth occurs only at one end - ANS Polymer
growth is unidirectional, this means polymer growth occurs only at one end
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
,Base pairs are also called [...] - ANS Base pairs are also called heterocyclic (nitrogenous) bases
What is the nucleotide backbone made of? - ANS "made of pentose ""five"" sugar +
phosphate"
"5' End of a Nucleotide" - ANS "The phosphate (PO4), is negatively charged and acidic (which
is why it's called a nucleic acid)"
"3' End of a Nucleotide" - ANS OH hydroxyl group, new monomers are added to this end
Ribose and 2-Deoxyribose are different in that [...] has a hydroxyl group on the 2 carbon. -
ANS Ribose and 2-Deoxyribose are different in that RNA has a hydroxyl group on the 2
carbon.
Ribose and 2-Deoxyribose are different in that RNA has a [...] on the [...]. - ANS Ribose and 2-
Deoxyribose are different in that RNA has a hydroxyl group on the 2 carbon.
DNA is more stable and RNA is less stable. This is because the OH group on the 2 carbon means
[...] - ANS DNA is more stable and RNA is less stable. This is because the OH group on the 2
carbon means RNA is less resistant to chain cleavage by hydrolysis
DNA is [...] stable and RNA is [...] stable. This is because the OH group on the 2 carbon means
RNA is less resistant to chain cleavage by hydrolysis - ANS DNA is more stable and RNA is less
stable. This is because the OH group on the 2 carbon means RNA is less resistant to chain
cleavage by hydrolysis
Purines - ANS - adenine + guanine - two fused aromatic rings
Pyrimidines - ANS - Thymine, uracil, and cytosine - One aromatic ring
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3
, The base and pentose sugar are connected by an [...] - ANS The base and pentose sugar are
connected by an N-glycosidic bond
The presence of [...] instead of [...] makes DNA easier to repair (chemical damage). RNA (with
uracil) cannot be repaired. - ANS The presence of T instead of U makes DNA easier to repair
(chemical damage). RNA (with uracil) cannot be repaired.
The presence of T instead of U makes DNA easier to [...]. RNA (with uracil) cannot [...]. -
ANS The presence of T instead of U makes DNA easier to repair (chemical damage). RNA
(with uracil) cannot be repaired.
Phosphodiester Bond - ANS Joins a phosphate and two esters (hence diester)
Trinucleotide - ANS 3 nucleotides
What is the polymer backbone in a protein? - ANS carbon
R stands for what on an amino acid? - ANS Amino acid side chain
Two forms of stereoisomers, [...] and [...] form around a chiral carbon centre. L is the only one
used in living organisms because enzymes only read one stereostructure. - ANS Two forms of
stereoisomers, L and D form around a chiral carbon centre. L is the only one used in living
organisms because enzymes only read one stereostructure.
Two forms of stereoisomers, L and D form around a chiral carbon centre. [...] is the only one
used in living organisms because [...]. - ANS Two forms of stereoisomers, L and D form around
a chiral carbon centre. L is the only one used in living organisms because enzymes only read one
stereostructure.
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
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