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Anatomy & Physiology I > Module 3 Quiz + Homework Answers > Flashcards

Module 3 Quiz + Homework Answers Flashcards

1
Q

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

A

DNA Polymerase

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2
Q

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

A

Pinocytosis

Bulk Transport

Sodium-Potassium Pump

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3
Q

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

A

tRNA

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4
Q

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

A

Integral Protein

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5
Q

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

A

Golgi: ATP Production

Ribosomes: Detoxification

Smooth ER: Protein Production

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6
Q

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

A

peroxisomes

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7
Q

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

A

Desmosomes

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8
Q

The control center for cellular operations is the _________.

A

Nucleus

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9
Q

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

A

Mitochondrion

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10
Q

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

A

Codon

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11
Q

___________ function to produce movement for a cell.

A

Flagella

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12
Q

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

A

Exothermic

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13
Q

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

A

Hypotonic

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14
Q

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

A

Organelle

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15
Q

________ is the diffusion of water.

A

Osmosis

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16
Q

Identify the CORRECT pairing(s) listed below:

A

Mitochondrial Fold: Cristae

Oxidative Phosphorylation: inner Mitochondrial Membrane

Glycolysis: Cytoplasm

Oxygen: End Acceptor of Hydrogen Ions

Krebs Cycle: Mitochondrial Matrix

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17
Q

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

A

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

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18
Q

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

A

Movement of glucose into the cell

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

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19
Q

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

A

Amino Acids

Glucose

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20
Q

The events of glycolysis include all the following EXCEPT:

A

Production of Carbon Dioxide

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21
Q

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

A

Solute of Small Size

Lack of Carrier Proteins

Increase in Temperature

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22
Q

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

A

1% Glucose

80% Water

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23
Q

The events of glycolysis include all the following EXCEPT:

A

Production of cabron dioxide

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24
Q

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

A

Active transport of H+ into matrix

+ 1 other

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25
Q

Osmosis is the diffusion of:

A

water across a membrane.

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26
Q

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

A

plasma membrane

27
Q

What is the end acceptor of oxidative phosphorylation?

A

oxygen

28
Q

The primary function of cellular respiration is to:

A

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

29
Q

What order does the catabolic reactions occur ?

a. Glycolysis
b. Electron Transport Chain
c. Krebs Cycle
d. Transitional

A

a, d, c, b

30
Q

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

A

glucose + oxygen&raquo_space; water + carbon dioxide + energy

31
Q

Identify the organelle that provides enzymes for autolysis.

A

Lysosomes

32
Q

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?

A

TGCAA

33
Q

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

A

Gao junctions

34
Q

The majority of ATP synthesis occurs in during:

A

oxidative phosphorylation

35
Q

Mitosis is:

A

Nuclear division

36
Q

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

A

high energy electrons

37
Q

The nuclear envelope consists primarily of:

A

two phospholipid bilayers.

38
Q

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

A

fats

39
Q

The plasma membrane is _______.

A

the phospholipid bilayer surrounding the cell

40
Q

Cytokinesis usually begins before ________ ends.

A

NOT anaphase

41
Q

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

A

Electron transport chain

42
Q

The primary site of cellular ATP production is the:

A

Mitochondrion

43
Q

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

A

a cell with two identical nuclei

44
Q

The electron transport chain functions in:

A

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

45
Q

The pigment melanin is a(n):

A

NOT membrane-bound organelle.

46
Q

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

A

ATP, glycogen, and triglyceride.

47
Q

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

A

Mitochondrion

48
Q

A gene can best be defined as:

A

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

49
Q

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

A

Cytoskeleton

50
Q

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

A

S

51
Q

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

A

fructose 6-P.

52
Q

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

A

mitochondria

53
Q

Which of the following is TRUE regarding filtration?

A

Only selective based on the size of molecules being filtered

54
Q

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

A

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

55
Q

The process of transcription refers to:

A

Converting information in a DNA sequence into a complementary mRNA sequence

56
Q

During transcription:

A

DNA is used as a template to make mRNA.

57
Q

Select the most correct statement regarding the glycocalyx.

A

egg/sperm recognition

58
Q

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

A

Prophase, metaphase, anaphase, telophase

59
Q

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

A

UAC

60
Q

The last part of interphase is called:

A

the second “gap” phase.

61
Q

The process of translation refers to:

A

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

62
Q

Ribosomes are found:

A

in the cytosol and on the endoplasmic reticulum.

63
Q

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

A

peroxisomes

64
Q

Which does not occur during the G2 phase?

A

Each DNA molecule replicates.

Anatomy & Physiology I (6 decks)

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