This electrophoresis blood quiz assesses knowledge on molecular and cellular biology topics, including enzyme activity, protein structure, and lipid properties. It is designed for students and professionals looking to deepen their understanding of biochemical interactions and cellular mechanisms.
The ability of a cell to obtain a sufficient amount of nutrients from the environment is hampered
The ability of a cell to get rid of wastes at a high enough rate is compromised by the lower ratio.
The ability of a cell to get rid of nutrients to the environment is hampered
The ability of a cell to build up wastes at a high enough rate is compromised by the lower ratio.
A and b
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The pigment is amphipathic, having polar and nonpolar regions.
The pigment is probably hydrophobic and is attempting to bond with the oil.
The pigment is hydrophilic and will not form hydrophobic bonds with the oil.
The pigment is a polar molecule and is forming hydrogen bonds with both the water and oil molecules.
The pigment is neither polar or nonpolar, but is apolar.
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Define cell boundaries
Regulation of transport
Compartmentalization
Cell-cell communication
Information storage
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The ability of lipid molecules to be packed together
Whether the fatty acid chains of the lipids are saturated or unsaturated
The extent to which the fatty acid chains of the lipids contain double bonds
The length of the fatty acid chains
All of the above
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Primary
Secondary
Tertiary
Quaternary
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Destabilizes the cell membrane.
Is found only in plants.
Intercalates between the fatty acid chain within the bilayer.
Is found in abundance in prokaryotic cell membranes.
Hincreases permeability for small cations.
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Nothing happens
The membrane becomes more fluid
The membrane becomes less fulid
The membrane fluidity fluctuates back and forth from high to low fluidity
The membrane fluidity fluctuates back and forth from low to high
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Asymmetrical.
Identical.
Not identical, but symmetrical.
A mirror image.
Highly random and varies throughout the cell.
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A mirror image
Asymmetrical.
Not identical, but symmetrical.
Highly random and varies throughout the cell.
Identical.
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Temperature control.
Information storage
Amphipathic modification
Protein manufacture.
Receiving extracellular signals.
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The synthetic enzyme was not made of amino acids
Denaturation of the synthesized enzyme was not complete.
The synthesized enzyme was not folded correctly
The van der Waals radius was altered during laboratory synthesis.
The ATP required for self-assembly was present in the cell extract but not in the laboratory synthesis.
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On the surface of a water-soluble protein
The core of a water-soluble protein
In contact with water molecules
Between two charged molecules
Between two ions
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Glycerol + 2 phosphate groups + 1 fatty acid
Glycerol + 1 phosphate group + 2 fatty acids
Glycerol + 2 phosphate groups
Glycerol + 3 fatty acids
Glycerol + 2 phosphate groups + 2 fatty acids
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Secondary
Primary
Tertiary
All of the above
None of the above
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Ferritin conjugated lectins.
SDS-PAGE.
Photobleaching.
Liposome formation.
The freeze fracture technique.
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H bonds perpendicular to
Ionic bonds parallel to
Ionic bonds perpendicular to
Peptide bonds perpendicular to
H bonds parallel to
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Region 1
Region 3
Region 2
Region 4
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The biggest
The smallest
The more negative
The more positive
A and c
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The membrane may absorb several times its weight in cholesterol.
It provides a good barrier between the inside and outside of the cell.
It allows cells to attach to adjacent tissues.
Proteins will avoid a selectively permeable membrane.
All of the above
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Serine is a molecule that may be part of a phosphoglyceride.
Phospholipids are important in membrane structure.
Phosphatidic acid contains two fatty acids and a phosphate group.
Sphingolipids are the predominant phospholipid in membranes.
Phospholipids are amphipathic.
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Carbon-containing molecules form stereoisomers.
Carbon-containing molecules are stable.
Carbon-containing molecules are diverse.
Carbon atoms are most likely to form ionic bonds with one another.
Carbon has a valence of 4.
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Integral membrane proteins
Peripheral proteins
GPI-anchor proteins
Chaperones
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Only a single polar region
Two polar regions
Can donate or accept electrons
Can accept or donate protons
Both a polar and a nonpolar region
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Equal amounts of saturated and unsaturated fatty acids, as long as the chain was close to 12 carbons in length.
Largely saturated fatty acids.
Cell wall to define the cell, as the cell membrane would not be present.
Largely unsaturated fatty acids.
None of the above
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Hydrophobicity
Hydrophilicity
Amphoteric nature
Fluidity
Amphipatic nature
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Are called buffers
Protect cells and organisms from fluctuations in salinity
Protect cells and organisms from pH stability
A and b
A and c
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In the cytoplasm
Between DNA strands
Deep in a protein's core where water is excluded
On the surface of a protein
On the surface of a lipid
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Several mannose-6-phosphate monomers
Carbohydrates
Any hydrophilic substance
Polar amino acids
Lipids
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Phenylalanine
Asparagine
Serine
Threonine
Glutamic acid
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Primary structure
Secondary structure
Tertiary structure
Quaternary structure
C and d
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GPI-peripheral proteins
Peripheral proteins
Transmembrane proteins
A and c
B and c
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Heat-shock, do. Hydrophobic
Heat- shock, do. Hydrophilic
Heat shock, do not. Hydrophilic
Heat shock, do not. Hydrophobic
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Receptors
Mechanical support for membrane
Enzymes
Molecules that serve in signal transmission
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Phospathase
GPI-phosphorylase
Phospholipase
Trypsin
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Amphipathic
Idiopathic
Hydrophilic
Hydrophobic
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