Module 3 Quiz + Homework Answers Flashcards
Which of the following enzymes has the function of synthesizing DNA during DNA replication?
DNA Polymerase
Which of the following are considered active transport? (Check all possible correct options)
Pinocytosis
Bulk Transport
Sodium-Potassium Pump
Which type of RNA has the function of bringing amino acids to the ribosome for the process of translation?
tRNA
A membrane protein that is described as being firmly inserted into the plasma membrane is a/an:
Integral Protein
Which of the following organelles are INCORRECTLY matched with their function? (Check all possible options)
Golgi: ATP Production
Ribosomes: Detoxification
Smooth ER: Protein Production
Vesicles containing enzymes that neutralize toxins such as alcohol are called _________.
peroxisomes
_________ are intercellular junctions that tether intermediate filaments to the plasma membrane.
Desmosomes
The control center for cellular operations is the _________.
Nucleus
Reactions within the _________ provide most of the energy needed by a typical cell.
Mitochondrion
A sequence of three bases that call for a specific amino acid during translation is known as a __________.
Codon
___________ function to produce movement for a cell.
Flagella
A(n) ____________reaction is a chemical or physical reaction that releases heat.
Exothermic
A solution that contains a lower solute concentraion to that of a cell is called _________.
Hypotonic
A specialized subunit within a cell that has a specific function is known as a _________.
Organelle
________ is the diffusion of water.
Osmosis
Identify the CORRECT pairing(s) listed below:
Mitochondrial Fold: Cristae
Oxidative Phosphorylation: inner Mitochondrial Membrane
Glycolysis: Cytoplasm
Oxygen: End Acceptor of Hydrogen Ions
Krebs Cycle: Mitochondrial Matrix
Identify the correct statement(s) listed below concerning the Krebs Cycle:
NOT:
There is nothing left of original glucose molecule as an end product
Includes two cycles per glucose molecule
Dehydrogenase is the enzyme that adds hydrogen ions onto FAD+ molecules
Which of the following is/are NOT an active transport process: (Check all that apply)
Movement of glucose into the cell
Movement of H+ from the intermembranal space and into the mitochondrial matrix
The following organic molecule(s) is/are utilized in catabolism:
Amino Acids
Glucose
The events of glycolysis include all the following EXCEPT:
Production of Carbon Dioxide
Which of the following conditions would INCREASE the rate of diffusion within cells? (Check all possible correct options)
Solute of Small Size
Lack of Carrier Proteins
Increase in Temperature
A cell contains a 5% glucose solution. Which of the following extracellular solutions would cause the cell to undergo crenation? (Check all that apply)
1% Glucose
80% Water
The events of glycolysis include all the following EXCEPT:
Production of cabron dioxide
Chemiosmosis includes all the following EXCEPT: (Check all possible option)
Active transport of H+ into matrix
+ 1 other
Osmosis is the diffusion of:
water across a membrane.
The _______ is responsible for forming the outer, limiting barrier of a cell.
plasma membrane
What is the end acceptor of oxidative phosphorylation?
oxygen
The primary function of cellular respiration is to:
generate ATP, which traps some of the chemical energy of food molecules
in its high energy bonds
What order does the catabolic reactions occur ?
a. Glycolysis
b. Electron Transport Chain
c. Krebs Cycle
d. Transitional
a, d, c, b
Which of the following represents the correct reactants and products of cellular respiration?
glucose + oxygen»_space; water + carbon dioxide + energy
Identify the organelle that provides enzymes for autolysis.
Lysosomes
If the nucleotide or base sequence of the DNA strand used as a template for messenger RNA synthesis is ACGTT, then what would be the sequence of bases in the corresponding mRNA?
TGCAA
Which of the following cellular junctions allows passage of molecules and ions from one cell to another?
Gao junctions
The majority of ATP synthesis occurs in during:
oxidative phosphorylation
Mitosis is:
Nuclear division
The ATP molecules that are generated in during oxidative phosphorylation acquire they energy indirectly from:
high energy electrons
The nuclear envelope consists primarily of:
two phospholipid bilayers.
Which of the following nutrients yield the highest amount of energy per gram when metabolized?
fats
The plasma membrane is _______.
the phospholipid bilayer surrounding the cell
Cytokinesis usually begins before ________ ends.
NOT anaphase
Oxidative Phosphorylation occurs in which of the following phases of cellular respiration?
Electron transport chain
The primary site of cellular ATP production is the:
Mitochondrion
Cytokinesis usually, but not always, follows mitosis. If a cell completed mitosis, but not cytokinesis, what would be the result?
a cell with two identical nuclei
The electron transport chain functions in:
aerobic respiration, and involves proteins in the cristae of mitochondria.
The pigment melanin is a(n):
NOT membrane-bound organelle.
Three molecules that are important energy storage locations in the body are:
ATP, glycogen, and triglyceride.
Which of the following cell organelles is responsible for generating the energy the cell uses to perform work?
Mitochondrion
A gene can best be defined as:
a segment of DNA that carries the instructions for one polypeptide chain
Which of the following cell organelles function in supporting cellular structures and in generating cell movements?
Cytoskeleton
DNA is replicated during the ________ phase of the cell cycle.
S
During the early steps of glycolysis, glucose is converted to glucose 6-P, and then glucose 6-P is converted directly to:
fructose 6-P.
The _________ are responsible for synthesizing most of a human body cell’s ATP.
mitochondria
Which of the following is TRUE regarding filtration?
Only selective based on the size of molecules being filtered
Which of the following is a concept of the cell theory?
a cell is the basic structural and functional unit of living organisms
The process of transcription refers to:
Converting information in a DNA sequence into a complementary mRNA sequence
During transcription:
DNA is used as a template to make mRNA.
Select the most correct statement regarding the glycocalyx.
egg/sperm recognition
Which of the following is the correct sequence for the stages of mitosis?
Prophase, metaphase, anaphase, telophase
The mRNA start codon, AUG, matches up with a tRNA anticodon, _______.
UAC
The last part of interphase is called:
the second “gap” phase.
The process of translation refers to:
Converting information in a mRNA sequence into the amino acid sequence of a protein
Ribosomes are found:
in the cytosol and on the endoplasmic reticulum.
Cell junctions that promote the coordinated activity of cells by physically binding them together into a cell community include all the following except:
peroxisomes
Which does not occur during the G2 phase?
Each DNA molecule replicates.
