Module 3 Quiz + Homework Answers

Question 1

Which of the following enzymes has the function of synthesizing DNA during DNA replication?

Answer 1

DNA Polymerase

Question 2

Which of the following are considered active transport? (Check all possible correct options)

Answer 2

Pinocytosis

Bulk Transport

Sodium-Potassium Pump

Question 3

Which type of RNA has the function of bringing amino acids to the ribosome for the process of translation?

Answer 3

tRNA

Question 4

A membrane protein that is described as being firmly inserted into the plasma membrane is a/an:

Answer 4

Integral Protein

Question 5

Which of the following organelles are INCORRECTLY matched with their function? (Check all possible options)

Answer 5

Golgi: ATP Production

Ribosomes: Detoxification

Smooth ER: Protein Production

Question 6

Vesicles containing enzymes that neutralize toxins such as alcohol are called _________.

Answer 6

peroxisomes

Question 7

_________ are intercellular junctions that tether intermediate filaments to the plasma membrane.

Answer 7

Desmosomes

Question 8

The control center for cellular operations is the _________.

Answer 8

Nucleus

Question 9

Reactions within the _________ provide most of the energy needed by a typical cell.

Answer 9

Mitochondrion

Question 10

A sequence of three bases that call for a specific amino acid during translation is known as a __________.

Answer 10

Codon

Question 11

___________ function to produce movement for a cell.

Answer 11

Flagella

Question 12

A(n) ____________reaction is a chemical or physical reaction that releases heat.

Answer 12

Exothermic

Question 13

A solution that contains a lower solute concentraion to that of a cell is called _________.

Answer 13

Hypotonic

Question 14

A specialized subunit within a cell that has a specific function is known as a _________.

Answer 14

Organelle

Question 15

________ is the diffusion of water.

Answer 15

Osmosis

Question 16

Identify the CORRECT pairing(s) listed below:

Answer 16

Mitochondrial Fold: Cristae

Oxidative Phosphorylation: inner Mitochondrial Membrane

Glycolysis: Cytoplasm

Oxygen: End Acceptor of Hydrogen Ions

Krebs Cycle: Mitochondrial Matrix

Question 17

Identify the correct statement(s) listed below concerning the Krebs Cycle:

Answer 17

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

Question 18

Which of the following is/are NOT an active transport process: (Check all that apply)

Answer 18

Movement of glucose into the cell

Movement of H+ from the intermembranal space and into the mitochondrial matrix

Question 19

The following organic molecule(s) is/are utilized in catabolism:

Answer 19

Amino Acids

Glucose

Question 20

The events of glycolysis include all the following EXCEPT:

Answer 20

Production of Carbon Dioxide

Question 21

Which of the following conditions would INCREASE the rate of diffusion within cells? (Check all possible correct options)

Answer 21

Solute of Small Size

Lack of Carrier Proteins

Increase in Temperature

Question 22

A cell contains a 5% glucose solution. Which of the following extracellular solutions would cause the cell to undergo crenation? (Check all that apply)

Answer 22

1% Glucose

80% Water

Question 23

The events of glycolysis include all the following EXCEPT:

Answer 23

Production of cabron dioxide

Question 24

Chemiosmosis includes all the following EXCEPT: (Check all possible option)

Answer 24

Active transport of H+ into matrix

+ 1 other

Question 25

Osmosis is the diffusion of:

Answer 25

water across a membrane.

Question 26

The _______ is responsible for forming the outer, limiting barrier of a cell.

Answer 26

plasma membrane

Question 27

What is the end acceptor of oxidative phosphorylation?

Answer 27

oxygen

Question 28

The primary function of cellular respiration is to:

Answer 28

generate ATP, which traps some of the chemical energy of food molecules in its high energy bonds

Question 29

What order does the catabolic reactions occur ? a. Glycolysis b. Electron Transport Chain c. Krebs Cycle d. Transitional

Answer 29

a, d, c, b

Question 30

Which of the following represents the correct reactants and products of cellular respiration?

Answer 30

glucose + oxygen >> water + carbon dioxide + energy

Question 31

Identify the organelle that provides enzymes for autolysis.

Answer 31

Lysosomes

Question 32

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?

Answer 32

TGCAA

Question 33

Which of the following cellular junctions allows passage of molecules and ions from one cell to another?

Answer 33

Gao junctions

Question 34

The majority of ATP synthesis occurs in during:

Answer 34

oxidative phosphorylation

Question 35

Mitosis is:

Answer 35

Nuclear division

Question 36

The ATP molecules that are generated in during oxidative phosphorylation acquire they energy indirectly from:

Answer 36

high energy electrons

Question 37

The nuclear envelope consists primarily of:

Answer 37

two phospholipid bilayers.

Question 38

Which of the following nutrients yield the highest amount of energy per gram when metabolized?

Answer 38

fats

Question 39

The plasma membrane is _______.

Answer 39

the phospholipid bilayer surrounding the cell

Question 40

Cytokinesis usually begins before ________ ends.

Answer 40

NOT anaphase

Question 41

Oxidative Phosphorylation occurs in which of the following phases of cellular respiration?

Answer 41

Electron transport chain

Question 42

The primary site of cellular ATP production is the:

Answer 42

Mitochondrion

Question 43

Cytokinesis usually, but not always, follows mitosis. If a cell completed mitosis, but not cytokinesis, what would be the result?

Answer 43

a cell with two identical nuclei

Question 44

The electron transport chain functions in:

Answer 44

aerobic respiration, and involves proteins in the cristae of mitochondria.

Question 45

The pigment melanin is a(n):

Answer 45

NOT membrane-bound organelle.

Question 46

Three molecules that are important energy storage locations in the body are:

Answer 46

ATP, glycogen, and triglyceride.

Question 47

Which of the following cell organelles is responsible for generating the energy the cell uses to perform work?

Answer 47

Mitochondrion

Question 48

A gene can best be defined as:

Answer 48

a segment of DNA that carries the instructions for one polypeptide chain

Question 49

Which of the following cell organelles function in supporting cellular structures and in generating cell movements?

Answer 49

Cytoskeleton

Question 50

DNA is replicated during the ________ phase of the cell cycle.

Answer 50

S

Question 51

During the early steps of glycolysis, glucose is converted to glucose 6-P, and then glucose 6-P is converted directly to:

Answer 51

fructose 6-P.

Question 52

The _________ are responsible for synthesizing most of a human body cell's ATP.

Answer 52

mitochondria

Question 53

Which of the following is TRUE regarding filtration?

Answer 53

Only selective based on the size of molecules being filtered

Question 54

Which of the following is a concept of the cell theory?

Answer 54

a cell is the basic structural and functional unit of living organisms

Question 55

The process of transcription refers to:

Answer 55

Converting information in a DNA sequence into a complementary mRNA sequence

Question 56

During transcription:

Answer 56

DNA is used as a template to make mRNA.

Question 57

Select the most correct statement regarding the glycocalyx.

Answer 57

egg/sperm recognition

Question 58

Which of the following is the correct sequence for the stages of mitosis?

Answer 58

Prophase, metaphase, anaphase, telophase

Question 59

The mRNA start codon, AUG, matches up with a tRNA anticodon, _______.

Answer 59

UAC

Question 60

The last part of interphase is called:

Answer 60

the second "gap" phase.

Question 61

The process of translation refers to:

Answer 61

Converting information in a mRNA sequence into the amino acid sequence of a protein

Question 62

Ribosomes are found:

Answer 62

in the cytosol and on the endoplasmic reticulum.

Question 63

Cell junctions that promote the coordinated activity of cells by physically binding them together into a cell community include all the following except:

Answer 63

peroxisomes

Question 64

Which does not occur during the G2 phase?

Answer 64

Each DNA molecule replicates.