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WorksheetsJan HLS revision
Total questions: 131
Worksheet time: 2hrs 54mins
ATG TGA CAG
3' A A A T T T C 5'
The matching strand would read...
1. Recoil
2. Straightens the double helix
3. Breaks Hydrogen bonds
4. Adds Free nucleotides
GTAGTCA
A string of nucleotides that contain the information to make a specific protein
Ribose
Amino Acids
tRNA
Gene
There are a total of ____ different amino acids
20
1
4
unlimited
How many amino acids are found on one tRNA?
20
4
1
3
Which of the following is the tRNA that will be used to decode to this DNA strand: AACTGA
AAC and TGA
TTG and ACT
UUG and ACU
AAC and UGA
T-G-A-C-C-A
T-G-A-C-C-A-A
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.
A nonsense mutation produced _________.
A truncated polypeptide chain
A slightly altered polypeptide chain
A shift in the reading frame
The regulatory sequence being altered.
Name the mutation that happens when an extra base has been added to the sequence of bases.
Substitution
Deletion
Inversion
Insertion
Deletion
A
B
C
Substitution
A
B
C
Insertion
A
B
C
Frameshift mutation
Addition of one or more nucleic acids
Removal of one or more nucleic acids
Replacement of one or more nucleic acids
When codons shift ---nucleic acids are separated from their original triplet
Copying or doubling of a sequence
What type of mutation is this?
Nonsense mutation
Missense mutation
Silent mutation
Frameshift mutation
What type of mutation causing sickle cell anaemia?
Nonsense substitution
Missense substitution
Silent substitution
Deletion
Insertion
What makes up around 55% of the blood?
Plasma
Red Blood Cells
White Blood Cells
Platelets
What carries oxygen around the body?
Plasma
Red Blood Cells
Platelets
White Blood Cells
What causes the blood to be the distinct red colour?
Haemoglobin
Glucose
Hormones
Oxygen
Which of the following is NOT a type of blood vessel?
Artery
Capillary
Vein
Ventricle
What is the function (job) of the white blood cells?
To transport oxygen around the body.
To carry dissolved sugars.
To clot and cover wounds like cuts and grazes.
To release antibodies to help destroy infections.
What is the function (job) of the plasma?
To release antibodies to fight infections.
To transport oxygen around the body.
To carry dissolved nutrients and sugars.
To transport oxygen around the body.
What is the function (job) of the red blood cells?
To transport oxygen around the body and to the muscles.
To release antibodies to fight infections.
To carry dissolved nutrients and sugars.
To clot and form scabs if there is a wound on the body.
Which blood vessels take blood TO the heart?
Veins
Arteries
Capillaries
Which blood vessels take blood AWAY from the heart?
Veins
Arteries
Capillaries
Which is the smallest of the 3 blood vessels?
Veins
Arteries
Capillaries
The thickest and strongest blood vessel is the
vein
artery
capillary
both veins and capillaries
The blood vessel that has the largest diameter is
vein
artery
capillary
The blood vessel that has valves at intervals...
capillary
artery
vein
none of the above
Valves in veins
support them
protect them
prevent the backward movement inside them
provide them elesticity
What is the function of capillaries?
Transports deoxygenated blood
Transport oxygenated blood
Site for exchange of materials
What is the function of coronary artery?
Transports oxygenated blood from aorta to heart muscles
Transports oxygenated blood from aorta to liver
Transports oxygenated blood from aorta to kidneys
How many percent of blood plasma that leaks from capillaries are carried back into the blood system through the lymph vessels?
2%
5%
10%
15%
What are the two opposing pressures that were created due to the volume of fluid which leaves the capillary out into the tissue fluid?
osmotic and gravity
osmotic and hydrostatic blood pressure
hydrostatic blood pressure and gravity
osmotic and filtration pressures
Where are tissue fluids located in the body?
between cels in tissues only
between tissues and muscles
between bones and muscles
between capillaries only
What contains more white blood cells and lymphocytes?
blood plasma
tissue fluid
blood
lymph
Which of the following is a correct explanation about tissue fluid production?
If the forces moving the fluid out of the capillaries are greater than the forces moving the fluid into the capillaries.
If the forces moving the fluid out of the capillaries are lesser than the forces moving the fluid into the capillaries.
If the forces moving the fluid into of the capillaries are greater than the forces moving fluid out the capillaries
If the forces moving fluid into of the capillaries are lesser than the forces moving fluid out the capillaries
The substance that surrounds most cells is called:
Intracellular fluid
Plasma
Lymph
Tissue Fluid
Tissue fluid supplies respiring cells with:
Oxygen & Glucose
Carbon Dioxide & Glucose
Lactic Acid & Oxygen
Water & Carbon dioxide
In which direction does blood flow through a capillary bed?
Vein end -> Arteriole end
Venule end -> Arteriole end
Arteriole end -> Venule end
Artery end -> Venule end
Which pressure is highest at the arteriole end of the capillary bed?
Oncotic pressure
Oncostatic pressure
Hydrostatic pressure
Water potential
At the arteriole end of the capillary, how does the hydrostatic pressure of the blood compare to the hydrostatic pressure of the tissue fluid:
It is higher
It is lower
It is the same
Why is the water potential of the blood at the venule end of the capillary lower than the water potential of the blood at the arteriole end of the capillary? 2 answers
Plasma (water based/aqueous solution) left the blood at the arteriole end of the capillary
Solute concentration of the blood has remained the same throughout the capillary
Water has been produced by respiring cells
Water has moved from the tissue fluid to the blood at the venule end of the capillary bed
Why is the water potential of the blood at the venule end of the capillary lower than the water potential of the blood at the arteriole end of the capillary? 2 answers
Plasma (water based/aqueous solution) left the blood at the arteriole end of the capillary
Solute concentration of the blood has remained the same throughout the capillary
Water has been produced by respiring cells
Water has moved from the tissue fluid to the blood at the venule end of the capillary bed
Where is the Aorta
3
4
9
10
What is this called
Bicuspid Valve
Aortic Valve
Tricuspid Valve
Pulmonary Valve
Where is the Pulmonary Artery
10
8
9
1
Where is the Pulmonary Vein
7
9
10
8
Where is the Pulmonary Valve
3
2
1
9
Where is the Right Atrium
2
4
5
3
Where is the Superior Vena Cava
1
5
2
4
Where is the Inferior Vena Cava
1
2
5
3
The Tricuspid Valve is on the right side of the heart
True
False
The Bicuspid Valve is on the right side of the heart
True
False
Where is the Right Ventricle
4
3
5
6
Where is the Left Ventricle
7
4
6
5
State the phase of cardiac cycle shown in the diagram.
Atrial systole, ventricular systole
Atrial diastole, ventricular systole
Atrial systole, ventricular diastole
Atrial diastole, ventricular diastole
State the phase of cardiac cycle shown in the diagram.
Atrial systole, ventricular systole
Atrial diastole, ventricular systole
Atrial systole, ventricular diastole
Atrial diastole, ventricular diastole
State the phase of cardiac cycle shown in the diagram.
Atrial systole, ventricular systole
Atrial diastole, ventricular systole
Atrial systole, ventricular diastole
Atrial diastole, ventricular diastole
What happen to the valves in the heart during the phase of cardiac cycle shown in the diagram.
Atrioventricular valves open, semilunar valves open
Atrioventricular valves open, semilunar valves close
Atrioventricular valves close, semilunar valves open
Atrioventricular valves close, semilunar valves close
What happen to the valves in the heart during the phase of cardiac cycle shown in the diagram.
Atrioventricular valves open, semilunar valves open
Atrioventricular valves open, semilunar valves close
Atrioventricular valves close, semilunar valves open
Atrioventricular valves close, semilunar valves close
What happen to the valves in the heart during the phase of cardiac cycle shown in the diagram.
Atrioventricular valves open, semilunar valves open
Atrioventricular valves open, semilunar valves close
Atrioventricular valves close, semilunar valves open
Atrioventricular valves close, semilunar valves close
The first sound of heart, "lub" produced when
Atrioventricular valves open, semilunar valves open
Atrioventricular valves open, semilunar valves close
Atrioventricular valves close, semilunar valves open
Atrioventricular valves close, semilunar valves close
The second sound of heart, "dup" produced when
Atrioventricular valves open, semilunar valves open
Atrioventricular valves open, semilunar valves close
Atrioventricular valves close, semilunar valves open
Atrioventricular valves close, semilunar valves close
During Atrial diastole & Ventricular systole phase, pressure between atria and ventricles?
Pressure in atria are greater than ventricles
Equal pressure in atria and ventricles
Pressure in ventricles are greater than atria
During Atrial systole & Ventricular diastole phase, pressure between atria and ventricles?
Pressure in atria are greater than ventricles
Equal pressure in atria and ventricles
Pressure in ventricles are greater than atria
During Atrial & Ventricular diastole phase, pressure between atria and ventricles?
Pressure in atria are greater than ventricles
Equal pressure in atria and ventricles
Pressure in ventricles are greater than atria
During Atrial & Ventricular diastole phase, what happen between vena cava, right atrium & right ventricles?
Pressure in vena cava is greater than in atrium and pressure in atrium is greater than ventricles, hence blood flow from vena cava into the right atrium and into the right ventricles by passive transport.
Pressure in vena cava is lower than in atrium and pressure in atrium is lower than ventricles, hence blood flow from vena cava into the right atrium and into the right ventricles by passive transport.
Pressure in vena cava is greater than in atrium and pressure in atrium is lower than ventricles, hence blood flow from vena cava into the right atrium and into the right ventricles by passive transport.
Pressure in vena cava is greater than in atrium and pressure in atrium is greater than ventricles, hence blood flow from vena cava into the right atrium and into the right ventricles by active transport.
During Atrial diastole & Ventricular systole phase, which event is wrong?
Blood flow into the atria through vena cava and pulmonary vein
Semilunar valves are opened
Blood flow out of heart through aorta and pulmonary artery
Atrioventricular valves are closed and produced "dub" sound
Which is the correct sequence of phases in cardiac cycle?
Atrial systole, ventricular diastole ; Atrial diastole, ventricular systole ; Atrial & ventricular systole
Atrial diastole, ventricular systole ; Atrial systole, ventricular diastole ; Atrial & ventricular systole
Atrial systole, ventricular diastole ; Atrial diastole, ventricular systole ; Atrial & ventricular diastole
Atrial diastole, ventricular systole ; Atrial systole, ventricular diastole ; Atrial & ventricular diastole
The AV node is located between which two parts of the heart?
right atria, left atria
atria, ventricle
left ventricle, left ventricle
epicardium, pericardium
Which of the following is most likely to occur if there is a blockage to the AV bundle nerve impulse?
the AV Node will not produce electrical impulses
the SA Node will not produce electrical impulses
no effect
the Purkinje fibers will not produce electrical impulses
The last place electrical impulses move through the heart is located where?
the AV Node
the Purkinje fibers
the SA Node
the AV Bundle
What role do enzymes play in phagocytosis?
they destroy/digest pathogens
they contain lysosomes
they are destroyed by pathogens
What micro-organism is responsible for causing disease?
Pathogen
Antibodies
B-cells
Lymphocyte
Name 3 parts of the body that keep pathogens out ("The First Line of Defense").
White blood cells, tears, T-cells
Saliva, inflammation, Lymphocytes
Skin, tears, saliva
Mucous membranes, fever, B-cells
Once the pathogen is in the phagocyte it is called:
Lysosome
Phagosome
Phagocytosis
Immune cell
What is the name of the substance spread by the Lysosome once entering the pathogen?
Lysozyme
Lysosomish
Phagosome
Lysocytosis
The name of the micro-cell that enters the pathogen once engulfed by the Phagocyte is called:
Debris
Exocytosis
Phagocytosis
Lysosome
Exocytosis happens when:
The phagocyte gets engulfed by another.
The Lysozyme is spread into the pathogen or dead cell.
The bacteria debris is released from the cell.
The bacteria gets engulfed by the phagocyte.
What are the two types of Phagocytes?
Phagocytosis - Exocytosis
Monocyte - neutrophil
Nucleus -membrane
Octocyte - Nuetrophi
Immune responses are classified as...
monocyte & neutrophil
Chemical and physical
Pizza & Burger
Specific and non-specific
