Which of the following is not a property of facilitated diffusion?

Transport is not inhibited by competition

Which of the following is not a function of cholesterol in animal cell membranes?

Increases fluidity at moderate temperatures

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Module 2 BIOL103 Part A

108 termsStudBud Administration115 plays

A quiz for module 2, Part A of the BIOL103 exam. #UoW #BIOL103

Flashcards108 cardsFPractice quizPHost liveL

Questions 108

Answers

1
What is the dominant feature of eukaryotic cells?
Nucleus
Nucleoid
Ribosomes
Nuclear envelope
2
Which structural protein recoils to its original shape?
Fibronectin
Collagen
Laminin
Elastin
3
Diffusion is from:
Low concentration to high concentration
High concentration to low concentration
4
Trehalose if the blood sugar for?
Birds
Vertebrates
Insects
Plants
5
What makes up the protoplasm?
Nucleus and mitochondria
Cytoplasm and nucleus
Cytosol and nucleus
Cytosol and nuclear envelope
6
Which part of the ER has ribosomes embedded?
Rough ER
Smooth ER
7
Which of the following is not a function of the smooth ER?
Metabolizes carbohydrates
Synthesis of protein
Stores calcium ions
Detoxifies drugs and poisons
8
How many polypeptide chains make up collagen?
1
4
2
3
9
What type of junction provides a pathway of low electrical resistance?
Gap
Tight
Communicating
Anchoring
10
How efficient is the energy conversion in cells?
30%
20%
40%
10%
11
Whcih organelle produces pectin?
Chloroplasts
Nucleus
ER
Golgi apparatus
12
Which type of solution has a higher solute concentration and lower water concentration?
Hypertonic
Isotonic
Hypotonic
Still need to revise this
13
How many functions do membrane proteins have?
7
4
6
5
14
Which face of the cisternae (golgi apparatus) faces the cisterna of the ER?
Cis Face
Trans face
15
Plastids are found in what type of cell?
All eukaryotic cells
All cells
Prokaryotes only
Plant and algal cells
16
Do membrane proteins attach of float in the lipid bilayer?
Float
Attach
17
Rapid movement of ions across a membrane is mediated by:
Exocytosis
Channels
Carriers
Transport ATPases
18
Which is faster?
Carrier
Channel
19
A group of specialised cells of similar structure and function is known as a(n):
Tissue
Cell cluster
Functional unit
Organ system
20
Rate of diffusion depends on
Permeability
Both
Magnitude of concentration gradient
21
What structure contains high concentrations of RNA, protein and DNA?
HELP!!!
Nuclear Envelope
Nucleoli
Nuclear pores
22
The extensive network of proteins and polysaccharides that fills the spaces between cells is:
Plasma
Serum
The extracellular matrix
Interstitial fluid
23
Which type of a cell lacks a membrane bound nucleus?
Eukaryotic
Prokaryotic
24
How many components make up the endomembrane system?
6
7
4
5
25
'in organisms, much of the work involves the transfer of energy' is referred to as?
The second law of thermodynamics
Bioenergetics
Bioinformatics
The first law of thermodynamics
26
How many main types of muscle tissue do we have?
1
3
4
2
27
When a plant cell is placed in a hypo-osmotic solution the cell wall will prevent:
The cell from bursting
Active transport
Diffusion
Plasmolysis
28
Plant cell walls:
Are predominantly composed of polysaccharides
Have strong micro fibrils and pectin that resist stretching
Are soft and pliable
Are predominantly composed of proteins
29
How many membranes surround mitochondria?
3
1
2
4
30
Which organelle accounts for more than half of the total membrane in eukaryotic cells?
Nuclear envelope
Endoplasmic reticulum
Mitochondria
Golgi apparatus
31
Membranes are:
Symmetrical
Asymmetrical
32
Where do organelles and other subcellular components lie in eukaryotic cells?
Nucleosol
Cytoplasm
Nucleus
Cytosol
33
Which of the three compoenents of the cytoskeleton are more permanent?
Microfilaments
Microtubules
Intermediate filaments
34
Which organelle is the site for cellular respiration?
Mitochondria
Ribosome
Endoplasmic reticulum
Nucleus
35
Enzymes are used to:
Increase activation energy
Decrease activation energy
Decrease activation energy and increase speed
Lower speed
36
What chemical does peroxisomes produce?
Hydrogen iodide
Hydrogen chloride
Sulfurce acid
Hydrogen peroxide
37
What is the basic structural and functional unit of living organisms?
Cells
Organeles
Elements
Atoms
38
Which of the following is not a property of facilitated diffusion?
Transport proteins are specific
Transport proteins can become saturated
Faster than regular diffusion
Transport is not inhibited by competition
39
Which type of signal uses secreting (not to be confused with endocrine) cells?
Synaptic
Endothelial
Endocrine
Paracrine
40
Where does the action of an organism begin?
Subcellular level
Cellular level
Tissue level
Atomic level
41
What organelle is a member of the family of plastids?
Cytoskeleton
Mitochondria
Chloroplasts
Vacuole
42
What are three types of membranes?
Peripheral
All the above
Amphitropic
Integral
43
Which of the following can not cross the selectively permeable barrier freely?
Carbon dioxide
Oxygen
Ammonia
Water
44
Which of the following is only present in plants, algae and some protozoa?
Lysosomes
Cytoskeleton
Vesicles
Chloroplasts
45
Which type of activate transport uses directly coupling of ATP for energy?
Secondary
Quaternary
Primary
Tertiary
46
What type of transport moves against the concentration gradient?
Osmosis
Active transport
Diffusion
Passive transport
47
Which of the following is not a characteristic of stroma?
Contains ribosomes
Contains the chloroplast DNA
Internal fluid
A membranous sac
48
How many types of activate transport are there?
1
4
2
3
49
Which type of active transport uses co-transporters?
Primary
Secondary
50
The amount of energy that is available to do work is known as?
Entropy
Gibbs Free Energy
Why is chemistry in biology?!!!
Enthalpy
51
Which of the following is not a function of cholesterol in animal cell membranes?
Increases fluidity at moderate temperatures
Reduces phospholipid movement
Increases fluidity at low temperatures
Disrupts regular packaging of phospholipid
52
Which domains contain prokaryotic cells?
Arachaea and Prokaryota
Archaea and Bacteria
Bacteria and Eukaryota
Archaea and Eukaryota
53
What charge on polysaccharides attract cations?
Strong positive
Strong negative
Weak postive
Weak negative
54
What is the difference between simple and stratified?
Simple has 1 layer
Stratified has 1 layer
Simple has multiple layers
55
What type of proteins make up connexons?
Intramembranes
Extramembranes
Transmembranes
Unimembranes
56
What does the endomembrane system regulate?
Lipid traffic
Protein traffic
Metabolic functions
Stabilisation of the cell
57
What is the plasmodesmata?
Directly link animal cells
Directly link plant cells
Directly link fungi
Directly link bacteria
58
What is the limit of human eye's resolution?
200 micrometres
100 micrometres
400 micrometres
300 micrometres
59
Which of the following is a difference betweenplant and animal cells?
Mitochondria
Ribosomes
Flagella
Plasma membrane
60
Permeability of molecules depends on?
Size
Lipid solubility
All the above
Electrical charge
61
The arrangement of a molecular bilayer by lipids is:
Not spontaneous
Spontaneous
62
Which of the following is not a function of the cell wall?
Protection
Prevents excessive uptake of water
Maintenance of shape
None of the above
63
What form of junction is a desmosome?
Occluding
Tight
Anchoring
Communicating
64
Can chloroplasts move around the cell?
Yes
No
65
When Gibbs free energy is negative:
It is endergonic
It is exergonic
66
What are the 3 main components of the ECM?
Structural protains
Polysaccharides
All of the above
Adhesive proteins
67
Which of the following animal tissues receives signals?
Nervous
Muscular
Connective
Epithelial
68
What type of enzymes are contained in lysosomes? (best answer)
Catabolic enzymes?
Hydroxylytic enzymes
Anabolic enzymes
Hydrolytic enzymes
69
How do peripheral proteins attach via?
Polar interactions
Non-covalent interactions
Covalent interaction
Non-polar interactions
70
When does a spontaneous reaction occur?
When Gibbs free energy is 0
When Gibbs free energy is negative
When Gibbs free energy is positive
71
Which of the following is not absent in prokaryotes?
Ribosomes
Mitochondria
Nucleus
Vacuoles
72
What would be the consequence if someone was transfused intravenously with distilled water?
The RBC would shrink
The RBC would stay the same
The RBC would burst
The RBC would be supported by the cell wall and not change
73
Neurons are able to divide
False
True
74
Which of the following is not a component of ATP?
Triphosphate group
Ribose sugar
Cytosine
Adenine
75
The 2 main forms of the extracellular matrix are: (pick 1)
Interstitial matrix
Plasmodesmata
Epithelial conjugates
Basal lamina
76
Does a spontaneous reaction require energy input?
No
Yes
77
Which of the following types of tissue give rise to the glandular tissue of endocrine glands?
Nervous
Connective
Epithelial
Muscular
78
Which metabolic pathway is involved in the synthesis of amino acids?
Anabolism
Catabolism
79
What is the diameter of prokaryotic cells?
4 micrometres
2 micrometres
1 micrometre
3 micrometres
80
Which type of junction prevents molecules passing the extracellular space between cells?
Tight
Communicating
Anchoring
81
Carrier proteins in the plasma membrane are required for?
Diffusion
Activate transport
Facilitated diffusion and Active transport
Facilitated diffusion
82
Can mitochondria be seen using a light microscope?
No
Yes
83
Metabolic rate is not dependent on?
Environmental temperature
Food and water availability
Gender
Energy expenditure
84
Which metabolic pathway releases energy?
Anabolism
Catabolism
85
How efficient is energy transfer?
Never 100%
100%
86
Which undergoes a conformational change?
Channel
Carrier
87
From what type of energy do we get heat?
Chemical energy
Potential energy
Thermal energy
Kinetic energy
88
Why do lipids produce the most energy?
They are in a reduced state
They are in an oxidised state
89
What type of fibre makes up cell walls?
Cellulose
Chitin
Starch
Amylose
90
What two substrates make up ribosomes?
rRNA and lipids
mRNA and proteins
Proteins and tRNA
rRNA and proteins
91
Which of the following is not affected by adhesive proteins?
None of the above
Growth
Cell polarity
Migration
92
Which of the bonds are not used for fuel extraction?
C-C
C-N
C-O
C-H
93
What is chemical energy?
The usage of ATP
The potential energy stored in bonds between atoms
The energy stored in uranium
The kinetic energy used by food
94
What is the first step of the signal transduction pathway?
Transduction
Activation
Response
Reception
95
Which of the following is not a basic feature of a cell?
Ribosomes
Plasma membrane
Nucleus
Chromosomes
96
Which of the following is not a function of vacuoles?
Production of lysosomes
Storage of nutrients, pigments or waste materials
Contains hydrolytic enzymes
Maintenance of cell turgor pressure
97
Which of the following fibres are not found in connective tissue?
Collagen
Actine
Recticulin
Elastin
98
Which of the following is not a component of the endomembrane system?
Nucleus
Nuclear envelope
Plasma membrane
Lysosomes
99
If a red blood cell is placed in an isotonic solution, what happens?
It bursts
It crenates
It remains normal
The movement of water going in is the same as going out
100
Where are ribosomes assembled?
Mitochondria
Nucleus
Nucleolus
Cytoplasm
101
Which of the following is not a component of the cytoskeleton?
Macrotubules
Microfilaments
Intermediate filaments
Microtubules
102
Which of the following is not a characteristic of prokaryotic cells?
Cytoplasm bound by the plasma membrane
A nucleoid
Vacuole
No nucleus
103
According to the second law of thermodynamics, the entropy of the universe is:
Remaining constant
Decreasing
Increasing
Decelerating
104
How many membranes surround the nucleus?
Three
Four
Two
One
105
Microtubules
Are composed of actin
Are composed of tubulin
Nne of the above
Have a distinct protein
106
Glial cells support nervous tissue
False
True
107
According to the first law of thermodynamics, the total energy of the universe:
Remains constant
Is increasing
Is decreasing
Is reversing
108
Which of the following is not a form of intracellular junction?
None of the answers
Communication
Occluding
Anchoring

Module 2 BIOL103 Part A Flashcards | StudBud

Module 2 BIOL103 Part A

108 termsStudBud Administration115 plays

A quiz for module 2, Part A of the BIOL103 exam. #UoW #BIOL103

Flashcards108 cardsFPractice quizPHost liveL

Questions 108

Answers

1
What is the dominant feature of eukaryotic cells?
Nucleus
Nucleoid
Ribosomes
Nuclear envelope
2
Which structural protein recoils to its original shape?
Fibronectin
Collagen
Laminin
Elastin
3
Diffusion is from:
Low concentration to high concentration
High concentration to low concentration
4
Trehalose if the blood sugar for?
Birds
Vertebrates
Insects
Plants
5
What makes up the protoplasm?
Nucleus and mitochondria
Cytoplasm and nucleus
Cytosol and nucleus
Cytosol and nuclear envelope
6
Which part of the ER has ribosomes embedded?
Rough ER
Smooth ER
7
Which of the following is not a function of the smooth ER?
Metabolizes carbohydrates
Synthesis of protein
Stores calcium ions
Detoxifies drugs and poisons
8
How many polypeptide chains make up collagen?
1
4
2
3
9
What type of junction provides a pathway of low electrical resistance?
Gap
Tight
Communicating
Anchoring
10
How efficient is the energy conversion in cells?
30%
20%
40%
10%
11
Whcih organelle produces pectin?
Chloroplasts
Nucleus
ER
Golgi apparatus
12
Which type of solution has a higher solute concentration and lower water concentration?
Hypertonic
Isotonic
Hypotonic
Still need to revise this
13
How many functions do membrane proteins have?
7
4
6
5
14
Which face of the cisternae (golgi apparatus) faces the cisterna of the ER?
Cis Face
Trans face
15
Plastids are found in what type of cell?
All eukaryotic cells
All cells
Prokaryotes only
Plant and algal cells
16
Do membrane proteins attach of float in the lipid bilayer?
Float
Attach
17
Rapid movement of ions across a membrane is mediated by:
Exocytosis
Channels
Carriers
Transport ATPases
18
Which is faster?
Carrier
Channel
19
A group of specialised cells of similar structure and function is known as a(n):
Tissue
Cell cluster
Functional unit
Organ system
20
Rate of diffusion depends on
Permeability
Both
Magnitude of concentration gradient
21
What structure contains high concentrations of RNA, protein and DNA?
HELP!!!
Nuclear Envelope
Nucleoli
Nuclear pores
22
The extensive network of proteins and polysaccharides that fills the spaces between cells is:
Plasma
Serum
The extracellular matrix
Interstitial fluid
23
Which type of a cell lacks a membrane bound nucleus?
Eukaryotic
Prokaryotic
24
How many components make up the endomembrane system?
6
7
4
5
25
'in organisms, much of the work involves the transfer of energy' is referred to as?
The second law of thermodynamics
Bioenergetics
Bioinformatics
The first law of thermodynamics
26
How many main types of muscle tissue do we have?
1
3
4
2
27
When a plant cell is placed in a hypo-osmotic solution the cell wall will prevent:
The cell from bursting
Active transport
Diffusion
Plasmolysis
28
Plant cell walls:
Are predominantly composed of polysaccharides
Have strong micro fibrils and pectin that resist stretching
Are soft and pliable
Are predominantly composed of proteins
29
How many membranes surround mitochondria?
3
1
2
4
30
Which organelle accounts for more than half of the total membrane in eukaryotic cells?
Nuclear envelope
Endoplasmic reticulum
Mitochondria
Golgi apparatus
31
Membranes are:
Symmetrical
Asymmetrical
32
Where do organelles and other subcellular components lie in eukaryotic cells?
Nucleosol
Cytoplasm
Nucleus
Cytosol
33
Which of the three compoenents of the cytoskeleton are more permanent?
Microfilaments
Microtubules
Intermediate filaments
34
Which organelle is the site for cellular respiration?
Mitochondria
Ribosome
Endoplasmic reticulum
Nucleus
35
Enzymes are used to:
Increase activation energy
Decrease activation energy
Decrease activation energy and increase speed
Lower speed
36
What chemical does peroxisomes produce?
Hydrogen iodide
Hydrogen chloride
Sulfurce acid
Hydrogen peroxide
37
What is the basic structural and functional unit of living organisms?
Cells
Organeles
Elements
Atoms
38
Which of the following is not a property of facilitated diffusion?
Transport proteins are specific
Transport proteins can become saturated
Faster than regular diffusion
Transport is not inhibited by competition
39
Which type of signal uses secreting (not to be confused with endocrine) cells?
Synaptic
Endothelial
Endocrine
Paracrine
40
Where does the action of an organism begin?
Subcellular level
Cellular level
Tissue level
Atomic level
41
What organelle is a member of the family of plastids?
Cytoskeleton
Mitochondria
Chloroplasts
Vacuole
42
What are three types of membranes?
Peripheral
All the above
Amphitropic
Integral
43
Which of the following can not cross the selectively permeable barrier freely?
Carbon dioxide
Oxygen
Ammonia
Water
44
Which of the following is only present in plants, algae and some protozoa?
Lysosomes
Cytoskeleton
Vesicles
Chloroplasts
45
Which type of activate transport uses directly coupling of ATP for energy?
Secondary
Quaternary
Primary
Tertiary
46
What type of transport moves against the concentration gradient?
Osmosis
Active transport
Diffusion
Passive transport
47
Which of the following is not a characteristic of stroma?
Contains ribosomes
Contains the chloroplast DNA
Internal fluid
A membranous sac
48
How many types of activate transport are there?
1
4
2
3
49
Which type of active transport uses co-transporters?
Primary
Secondary
50
The amount of energy that is available to do work is known as?
Entropy
Gibbs Free Energy
Why is chemistry in biology?!!!
Enthalpy
51
Which of the following is not a function of cholesterol in animal cell membranes?
Increases fluidity at moderate temperatures
Reduces phospholipid movement
Increases fluidity at low temperatures
Disrupts regular packaging of phospholipid
52
Which domains contain prokaryotic cells?
Arachaea and Prokaryota
Archaea and Bacteria
Bacteria and Eukaryota
Archaea and Eukaryota
53
What charge on polysaccharides attract cations?
Strong positive
Strong negative
Weak postive
Weak negative
54
What is the difference between simple and stratified?
Simple has 1 layer
Stratified has 1 layer
Simple has multiple layers
55
What type of proteins make up connexons?
Intramembranes
Extramembranes
Transmembranes
Unimembranes
56
What does the endomembrane system regulate?
Lipid traffic
Protein traffic
Metabolic functions
Stabilisation of the cell
57
What is the plasmodesmata?
Directly link animal cells
Directly link plant cells
Directly link fungi
Directly link bacteria
58
What is the limit of human eye's resolution?
200 micrometres
100 micrometres
400 micrometres
300 micrometres
59
Which of the following is a difference betweenplant and animal cells?
Mitochondria
Ribosomes
Flagella
Plasma membrane
60
Permeability of molecules depends on?
Size
Lipid solubility
All the above
Electrical charge
61
The arrangement of a molecular bilayer by lipids is:
Not spontaneous
Spontaneous
62
Which of the following is not a function of the cell wall?
Protection
Prevents excessive uptake of water
Maintenance of shape
None of the above
63
What form of junction is a desmosome?
Occluding
Tight
Anchoring
Communicating
64
Can chloroplasts move around the cell?
Yes
No
65
When Gibbs free energy is negative:
It is endergonic
It is exergonic
66
What are the 3 main components of the ECM?
Structural protains
Polysaccharides
All of the above
Adhesive proteins
67
Which of the following animal tissues receives signals?
Nervous
Muscular
Connective
Epithelial
68
What type of enzymes are contained in lysosomes? (best answer)
Catabolic enzymes?
Hydroxylytic enzymes
Anabolic enzymes
Hydrolytic enzymes
69
How do peripheral proteins attach via?
Polar interactions
Non-covalent interactions
Covalent interaction
Non-polar interactions
70
When does a spontaneous reaction occur?
When Gibbs free energy is 0
When Gibbs free energy is negative
When Gibbs free energy is positive
71
Which of the following is not absent in prokaryotes?
Ribosomes
Mitochondria
Nucleus
Vacuoles
72
What would be the consequence if someone was transfused intravenously with distilled water?
The RBC would shrink
The RBC would stay the same
The RBC would burst
The RBC would be supported by the cell wall and not change
73
Neurons are able to divide
False
True
74
Which of the following is not a component of ATP?
Triphosphate group
Ribose sugar
Cytosine
Adenine
75
The 2 main forms of the extracellular matrix are: (pick 1)
Interstitial matrix
Plasmodesmata
Epithelial conjugates
Basal lamina
76
Does a spontaneous reaction require energy input?
No
Yes
77
Which of the following types of tissue give rise to the glandular tissue of endocrine glands?
Nervous
Connective
Epithelial
Muscular
78
Which metabolic pathway is involved in the synthesis of amino acids?
Anabolism
Catabolism
79
What is the diameter of prokaryotic cells?
4 micrometres
2 micrometres
1 micrometre
3 micrometres
80
Which type of junction prevents molecules passing the extracellular space between cells?
Tight
Communicating
Anchoring
81
Carrier proteins in the plasma membrane are required for?
Diffusion
Activate transport
Facilitated diffusion and Active transport
Facilitated diffusion
82
Can mitochondria be seen using a light microscope?
No
Yes
83
Metabolic rate is not dependent on?
Environmental temperature
Food and water availability
Gender
Energy expenditure
84
Which metabolic pathway releases energy?
Anabolism
Catabolism
85
How efficient is energy transfer?
Never 100%
100%
86
Which undergoes a conformational change?
Channel
Carrier
87
From what type of energy do we get heat?
Chemical energy
Potential energy
Thermal energy
Kinetic energy
88
Why do lipids produce the most energy?
They are in a reduced state
They are in an oxidised state
89
What type of fibre makes up cell walls?
Cellulose
Chitin
Starch
Amylose
90
What two substrates make up ribosomes?
rRNA and lipids
mRNA and proteins
Proteins and tRNA
rRNA and proteins
91
Which of the following is not affected by adhesive proteins?
None of the above
Growth
Cell polarity
Migration
92
Which of the bonds are not used for fuel extraction?
C-C
C-N
C-O
C-H
93
What is chemical energy?
The usage of ATP
The potential energy stored in bonds between atoms
The energy stored in uranium
The kinetic energy used by food
94
What is the first step of the signal transduction pathway?
Transduction
Activation
Response
Reception
95
Which of the following is not a basic feature of a cell?
Ribosomes
Plasma membrane
Nucleus
Chromosomes
96
Which of the following is not a function of vacuoles?
Production of lysosomes
Storage of nutrients, pigments or waste materials
Contains hydrolytic enzymes
Maintenance of cell turgor pressure
97
Which of the following fibres are not found in connective tissue?
Collagen
Actine
Recticulin
Elastin
98
Which of the following is not a component of the endomembrane system?
Nucleus
Nuclear envelope
Plasma membrane
Lysosomes
99
If a red blood cell is placed in an isotonic solution, what happens?
It bursts
It crenates
It remains normal
The movement of water going in is the same as going out
100
Where are ribosomes assembled?
Mitochondria
Nucleus
Nucleolus
Cytoplasm
101
Which of the following is not a component of the cytoskeleton?
Macrotubules
Microfilaments
Intermediate filaments
Microtubules
102
Which of the following is not a characteristic of prokaryotic cells?
Cytoplasm bound by the plasma membrane
A nucleoid
Vacuole
No nucleus
103
According to the second law of thermodynamics, the entropy of the universe is:
Remaining constant
Decreasing
Increasing
Decelerating
104
How many membranes surround the nucleus?
Three
Four
Two
One
105
Microtubules
Are composed of actin
Are composed of tubulin
Nne of the above
Have a distinct protein
106
Glial cells support nervous tissue
False
True
107
According to the first law of thermodynamics, the total energy of the universe:
Remains constant
Is increasing
Is decreasing
Is reversing
108
Which of the following is not a form of intracellular junction?
None of the answers
Communication
Occluding
Anchoring