BIO 210 REVIEW TIPS QUESTIONS AND ANSWERS
SURE A+
✔✔Name the components of a phospholipid - ✔✔1. Fatty acid
2. Glycerol
3. Phosphate
4. Choline
✔✔Phospholipids are amphipathic molecules. Which part of the molecule is hydrophilic
- ✔✔The end with Choline
✔✔Phospholipids are amphipathic molecules. Which part of the molecule is
hydrophobic - ✔✔The fatty acid end
✔✔In glucose and other hexoses, the hydroxyl group on carbon 1 can be either above
or below the plane of the monosaccharide ring. Does this have a significant
consequence in the structure of carbohydrates possessing one kind of glucose or the
other - ✔✔If the hydroxyl group is above the plane it is an alpha-D-glucose, if it is below
the plane it is a beta-D-glucose
✔✔Which glycosidic bond can enzymes in our body digest; glucose-alpha 1-4-glucose
or glucose- beta 1-4-glucose - ✔✔glucose-alpha 1-4-glucose
✔✔Two cellulose molecules are side-by-side in a cellulose microfibril. What kind of
bond holds them together - ✔✔beta 1-4 glycosidic bonds
✔✔Two starch molecules are side-by-side. Do any bonds hold them together - ✔✔alpha
1-4 glycosidic bonds
✔✔What two organic molecules distinguish DNA form RNA - ✔✔Thymine and Uracil
✔✔What organic base must Thymine pair with in nucleic acids - ✔✔Adenine
, ✔✔What organic base must Guanine pair with in nucleic acids - ✔✔Cytosine
✔✔What organic base must Cytosine pair with in nucleic acids - ✔✔Guanine
✔✔What organic base must Adenine pair with in nucleic acids - ✔✔Thymine (DNA) or
Uracil (RNA)
✔✔What organic base must Uracil pair with in nucleic acids - ✔✔Adenine
✔✔Given the sequence UUCAGUUACGUCCAG, what nucleic acid does this represent
- ✔✔RNA
✔✔Given the sequence TTACGTATATCGGCC, what nucleic acid does this represent -
✔✔DNA
✔✔Write the complementary RNA sequence for UUCAGUUACGUCCAG -
✔✔AAGUCAAUGCAGGUC
✔✔Write the complementary DNA sequence for TTACGTATATCGGCC -
✔✔AATGCATATAGCCGG
✔✔What atom is missing from ribose to give deoxyribose - ✔✔Oxygen
✔✔When ribose is in a nucleotide, how are ribose carbon atoms 1-5 numbered - ✔✔1 is
the carbon to the right of the oxygen attached to the Nitrogenous base, count clockwise
and 5 is the carbon attached to the oxygen of the first phosphate group
✔✔When we write nucleotide sequence from left to right, what end of the molecule is on
the left - ✔✔The phosphate group
✔✔When we talk about the 5' end of a nucleotide sequence, what organic molecule
possesses a 5' carbon atom - ✔✔Ribose
✔✔Which nucleic acid is normally double stranded - ✔✔DNA
✔✔Given two DNA strands, all the enzymes and deoxyribonucleotides necessary for
DNA synthesis, what is lacking to initiate DNA synthesis - ✔✔RNA
✔✔What kind of chemical bonds hold amino acids together to form a protein chain -
✔✔Peptide bonds
SURE A+
✔✔Name the components of a phospholipid - ✔✔1. Fatty acid
2. Glycerol
3. Phosphate
4. Choline
✔✔Phospholipids are amphipathic molecules. Which part of the molecule is hydrophilic
- ✔✔The end with Choline
✔✔Phospholipids are amphipathic molecules. Which part of the molecule is
hydrophobic - ✔✔The fatty acid end
✔✔In glucose and other hexoses, the hydroxyl group on carbon 1 can be either above
or below the plane of the monosaccharide ring. Does this have a significant
consequence in the structure of carbohydrates possessing one kind of glucose or the
other - ✔✔If the hydroxyl group is above the plane it is an alpha-D-glucose, if it is below
the plane it is a beta-D-glucose
✔✔Which glycosidic bond can enzymes in our body digest; glucose-alpha 1-4-glucose
or glucose- beta 1-4-glucose - ✔✔glucose-alpha 1-4-glucose
✔✔Two cellulose molecules are side-by-side in a cellulose microfibril. What kind of
bond holds them together - ✔✔beta 1-4 glycosidic bonds
✔✔Two starch molecules are side-by-side. Do any bonds hold them together - ✔✔alpha
1-4 glycosidic bonds
✔✔What two organic molecules distinguish DNA form RNA - ✔✔Thymine and Uracil
✔✔What organic base must Thymine pair with in nucleic acids - ✔✔Adenine
, ✔✔What organic base must Guanine pair with in nucleic acids - ✔✔Cytosine
✔✔What organic base must Cytosine pair with in nucleic acids - ✔✔Guanine
✔✔What organic base must Adenine pair with in nucleic acids - ✔✔Thymine (DNA) or
Uracil (RNA)
✔✔What organic base must Uracil pair with in nucleic acids - ✔✔Adenine
✔✔Given the sequence UUCAGUUACGUCCAG, what nucleic acid does this represent
- ✔✔RNA
✔✔Given the sequence TTACGTATATCGGCC, what nucleic acid does this represent -
✔✔DNA
✔✔Write the complementary RNA sequence for UUCAGUUACGUCCAG -
✔✔AAGUCAAUGCAGGUC
✔✔Write the complementary DNA sequence for TTACGTATATCGGCC -
✔✔AATGCATATAGCCGG
✔✔What atom is missing from ribose to give deoxyribose - ✔✔Oxygen
✔✔When ribose is in a nucleotide, how are ribose carbon atoms 1-5 numbered - ✔✔1 is
the carbon to the right of the oxygen attached to the Nitrogenous base, count clockwise
and 5 is the carbon attached to the oxygen of the first phosphate group
✔✔When we write nucleotide sequence from left to right, what end of the molecule is on
the left - ✔✔The phosphate group
✔✔When we talk about the 5' end of a nucleotide sequence, what organic molecule
possesses a 5' carbon atom - ✔✔Ribose
✔✔Which nucleic acid is normally double stranded - ✔✔DNA
✔✔Given two DNA strands, all the enzymes and deoxyribonucleotides necessary for
DNA synthesis, what is lacking to initiate DNA synthesis - ✔✔RNA
✔✔What kind of chemical bonds hold amino acids together to form a protein chain -
✔✔Peptide bonds
