Quiz bio 103
Bio 103: Cellular Biology Quiz
Test your knowledge of cellular biology with our comprehensive Bio 103 quiz. This quiz covers various topics including cell structure, biochemical processes, and the fun
Key Features:
- 30 multiple choice questions
- Instant feedback on answers
- Score tracking and improvement tips
In a hydrolysis reaction, __________, and in this process water is __________.
A polymer is broken up into its constituent monomers ... consumed
Monomers are assembled to produce a polymer ... consumed
Monomers are assembled to produce a polymer ... produced
A polymer is broken up into its constituent monomers ... produced
In what polysaccharide form do plants store glucose to be available later as an energy source?
Starch
Cellulose
Protein
Glycogen
Which of the following is/are likely to limit the maximum size of a cell?
The shape of the cell
The time it takes a molecule to diffuse across a cell
The cell's surface-to-volume ratio
All of the choices are correct.
Which of the following groups is primarily involved in synthesizing molecules needed by the cell?
Ribosome, rough endoplasmic reticulum, smooth endoplasmic reticulum
Rough endoplasmic reticulum, lysosome, vacuole
Lysosome, vacuole, ribosome
Vacuole, rough endoplasmic reticulum, smooth endoplasmic reticulum
Chloroplasts and mitochondria are thought to be of prokaryotic origin. One piece of evidence that supports this hypothesis is that these organelles contain prokaryotic-like ribosomes. These ribosomes are probably most similar to ribosomes found __________.
On the rough ER
In bacterial cells
Free in the cytoplasm of eukaryotes, on the rough ER, and in bacterial cells
The fatty acid tails of a phospholipid are __________ because they __________.
Hydrophobic ... Have no charges to which water molecules can adhere
Hydrophilic ... Consist of units assembled by dehydration reactions
Hydrophobic ... Dissolve easily in water
Enzyme molecules require a specific shape to perform their catalytic function. Which of the following might alter the shape of an enzymatic protein?
Denaturing the protein
Heating the protein
A change in salt concentrations or pH
Treating the protein with a chemical that breaks hydrogen bonds
All of the listed responses are correct.
At 80000g for 60 minutes what we will find in the pellet is :
Nuclei
Ribosome
Microsomes
A glucose molecule is to starch as __________.
A nucleotide is to a nucleic acid
A protein is to an amino acid
A nucleic acid is to a polypeptide
An amino acid is to a nucleic acid
Which of the following structures is found in animal cells but NOT in plant cells?
Plasma membrane
Mitochondria
Centrioles
Golgi apparatus
Cilia and flagella move due to the interaction of the cytoskeleton with which of the following?
Tubulin
Actin
Motor proteins
Pseudopodia
The peptide bond is __________
A covalent bond joining simple sugars together to form a polypeptide
A covalent bond joining nucleotides together to form a nucleic acid
A hydrogen bond joining amino acids together to form a polypeptide
covalent bond joining amino acids together to form a polypeptide
The α helix and β pleated sheet represent which level of protein structure?
Tertiary structure
Quaternary structure
Secondary structure
Primary structure
A disaccharides is from dehydration reaction joins :
One monosaccharide.
Six monosaccharides
Two monosaccharides
All of the following are polymers except:
Lipids
Carbohydrates
Proteins
Nucleic acids
Which of the following sequences represents the order in which a protein made in the rough endoplasmic reticulum might move through the endomembrane system?
Nuclear envelope → lysosome
Plasma membrane → nuclear envelope
Golgi apparatus → lysosome
Golgi apparatus → mitochondria
The lipids that form the main structural component of cell membranes are __________.
Phospholipids
Carbohydrates
Cholesterol
Proteins
Carbohydrates can function in which of the following ways?
Structural support
Energy storage
Structural support and energy storage
Enzymatic catalysis
Which of the following categories best describes the function of the rough endoplasmic reticulum?
Information storage
Energy processing
Manufacturing
Breakdown of complex foods
Which of the following is FALSE in respect to eukaryotic chromosomes?
Chromosomes are present even when cells are not actively synthesizing proteins.
Chromosomes are present throughout a cell's reproductive cycle.
Chromosomes appear only as a cell is about to divide.
All eukaryotic cells possess one or more chromosomes.
None of the listed responses is false.
The lightest component of the cell is :
Chloroplast
Nuclei
Ribosome
Mitochondria
One of the following domains belong to prokaryotic cells:
Archaea
Fungi
Animals
Protists
A polysaccharide that is used for storing energy in human muscle and liver cells is __________.
Chitin
Glycogen
Glucose
Cellulose
Bacterial cells are prokaryotic. Unlike a typical eukaryotic cell, they __________.
Have no membrane-bounded organelles in their cytoplasm
Have a smaller nucleus
Have no ribosomes
Lack chromosomes
Which of the following features do prokaryotes and eukaryotes have in common?
Nucleus, plasma membrane, and ribosomes
Mitochondria, cytoplasm, and plasma membrane
Ribosomes, plasma membrane, and cytoplasm
Mitochondria, ribosomes, and cytoplasm
One characteristic shared by sucrose, lactose, and maltose is that __________.
They are all monosaccharides
They are all disaccharides
They all contain fructose
They are all polysaccharides
The subunits (monomers) in cellulose are linked together by __________.
Ionic bonds
Glycosidic linkages
Ester linkages
Peptide bonds
Which of the following is FALSE?
Mitochondria contain ribosomes in the intermembrane space
Mitochondria have more than one membrane
Mitochondria are involved in energy metabolism.
A protein that ultimately functions in the plasma membrane of a cell is most likely to have been synthesized __________.
In the rough endoplasmic reticulum
In the ribosomes of the mitochondria
In the plasma membrane
In the smooth endoplasmic reticulum
Amylase is an enzyme that breaks down starch. Why cannot the same enzyme break down cellulose?
The bonds between the monosaccharide monomers in cellulose are much stronger.
The monosaccharide monomers in cellulose are bonded together differently than those in starch.
Cellulose molecules are much too large.
Starch is made of glucose; cellulose is made of fructose.
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