Font size
WorksheetsBiology 1107 Chapter 3-4
Total questions: 22
Worksheet time: 20mins
What is the difference between unsaturated and saturated fats?
Unsaturated - has double bonds
Saturated - has single bonds
Unsaturated - has single bonds
Saturated - has double bonds
What are trans fats?
Are they a healthy alternative?
Turning saturated fats into unsaturated fats, and yes
Turning unsaturated fats into saturated fats, and yes
Turning saturated fats into unsaturated fats, and no
Turning unsaturated fats into saturated fats, and no
PART 1
The phospholipid bilayer is semi-permeable because the....
Head is Hydrophilic
AND
Tail is Hydrophobic
Head is Hydrophobic
AND
Tail is Hydrophilic
Head is Hydrophobic
Tail is Hydrophilic
The double bonds in unsaturated fats cause a bend in the structure of the molecule.
True
False
PART 2
The phospholipid bilayer is semi-permeable because....
Nonpolar molecules are repelled by the hydrophobic lipids that line the inside of the bilayer. While polar molecular are not.
Polar molecules are repelled by the hydrophobic lipids that line the inside of the bilayer. While nonpolar molecular are not.
The tail has unsaturated & saturated hydrocarbon, so large molecules can diffuse through but small ones cannot.
The tail has unsaturated & saturated hydrocarbon, so small molecules can diffuse through but large ones cannot.
What are the bonds in primary level of protein structure?
Disulfide bonds, hydrogen bonds, ionic bonds, and hydrophobic interactions.
Hydrogen bonds formed between atoms of the polypeptide backbone.
Sequence of amino acids linked together to form a polypeptide chain. (peptide bonds)
Subunits are held by the same bonds in tertiary level.
What are the bonds in secondary level of protein structure?
Disulfide bonds, hydrogen bonds, ionic bonds, and hydrophobic interactions.
Hydrogen bonds formed between atoms of the polypeptide backbone.
Sequence of amino acids linked together to form a polypeptide chain. (peptide bonds)
Subunits are held by the same bonds in tertiary level.
What are the bonds in tertiary level of protein structure?
Disulfide bonds, hydrogen bonds, ionic bonds, and hydrophobic interactions.
Hydrogen bonds formed between atoms of the polypeptide backbone.
Sequence of amino acids linked together to form a polypeptide chain. (peptide bonds)
Subunits are held by the same bonds in tertiary level.
What are the bonds in quaternary level of protein structure?
Disulfide bonds, hydrogen bonds, ionic bonds, and hydrophobic interactions.
Hydrogen bonds formed between atoms of the polypeptide backbone.
Sequence of amino acids linked together to form a polypeptide chain. (peptide bonds)
Subunits are held by the same bonds in tertiary level.
Which are the base pairs for DNA and RNA?
DNA
A - T
G - C
RNA
A - T
G - U
DNA
A - U
G - C
RNA
A - T
G - C
DNA
A - T
G - U
RNA
A - T
G - C
DNA
A - T
G - C
RNA
A - U
G - C
Which is the correct pairs of base sequences that can be made into DNA?
5′-AGCT-3′
5′-TCGA-3′
5′-AGCT-3′
3′-TCGA-5′
In DNA, A% +T% +G% +C% = 100%
If A=20%, then T= ?
What would G+C= ?
T = 30%
G + C = 50%
T = 20%
G + C = 60%
T = 40%
G + C = 40%
T = 60%
G + C = 20%
Why is dietary fiber found only in plant foods?
Humans cannot digest the cellulose found in plant cell wall.
Humans cannot digest the chitin found in plant cell wall.
The difference between alpha-glucose and Beta-glucose monomers is that in a a-glucose, the Hydroxyl (OH) group is on the (a) side
Options: same or opposite
Name organelles that a particular cell would have that the others would not
Animal - Mitochondria
Plant - Chloroplasts
Bacteria - Cell Wall
Animal - Centromers
Plant - Vacuole
Bacteria - ribosomes
Animal - Lysosomes
Plant - Chloroplasts
Bacteria - Circular DNA
Animal - Large Central Vacuole
Plant - Plasmodesma
Bacteria - Flagella
What process is this?
Photosynthesis
protein secretion pathway
ATP production
Transcription
-PO43- is which functional group?
Phosphate group
Sulfhydryl group
Hydroxyl group
Amine group
-SH is which functional group?
Carboxyl group
Hydroxyl group
Carbonyl group
Sulfhydryl group
-OH is which functional group?
Hydroxyl group
Carboxyl group
Carbonyl group
Amine group
-COOH is which functional group?
Carboxyl group
Hydroxyl group
Carbonyl group
Sulfhydryl group
-NH2 is which functional group
Sulfhydryl group
Amine group
Hydroxyl group
Methyl group
-CH4 is which functional group
Phosphate group
Carbonyl group
Amine group
Methyl group
