Biology 1021 Lab Exam || with Complete
Solutions.
Malaria .- .(correct .answer) .-Plasmodium .is .famous .for .causing .which .disease?
Field .of .View .- .(correct .answer) .-the .diameter .of .the .circle .of .light .that .you .see .when .looking .into .a
.microscope
40x .- .(correct .answer) .-total .magnification .used .on .the .shortest .objective
100x .- .(correct .answer) .-total .magnification .used .on .low .power .objective
400x .- .(correct .answer) .-total .magnification .used .on .high .power .objective
Voltage .Control .Dial .- .(correct .answer) .-
What .part .of .the .microscope .should .increase .the .light .intensity?
Preparing .a .Wet .Mount .- .(correct .answer) .-
made .by .placing .the .material .to .be .viewed .in .a .drop .of .fluid .and .covering .it .with .a .plastic .cover .sli
p .to .protect .the .lens .from .damage
Starch .Granules .- .(correct .answer) .-
the .dark .purple/black .spheres .that .we .saw .while .examining .banana .tissue
Eyepiece .- .(correct .answer) .-located .at .the .top .of .the .microscope, .contains .the .ocular .lens .(10x)
Revolving .Nosepiece .- .(correct .answer) .-
a .rotating .disk .with .objective .lenses .mounted .on .it. .The .shortest .magnification .of .4X, .the .lower .pow
er .objective .10X, .and .the .higher .power .objective .is .40X.
Mechanical .Stage .- .(correct .answer) .-
it .can .be .moved .left, .right, .up, .and .down .by .using .the .knobs .located .below .the .front .corner .of .the .
stage
Specimen .Holder .- .(correct .answer) .-a .metal .clamp .that .holds .a .glass .slide .in .place .on .the .stage
, Light .Switch .- .(correct .answer) .-
a .toggle .switch .that .turns .the .light .on .and .off .at .the .front .of .the .base. .It .should .be .turned .off .whe
n .not .in .use .and .before .the .microscope .is .returned .to .the .cabinet.
Base .- .(correct .answer) .-supports .the .microscope
Voltage .Control .Dial .- .(correct .answer) .-
located .on .the .side .of .the .base .near .the .hand .rest. .It .is .marked .with .numbers .from .1 .to .10. .Illumin
ation .of .the .specimen .is .changed .by .rotating .the .dial.
Hand .Rest .- .(correct .answer) .-the .flat .area .on .each .side .of .the .base .below .the .adjustment .knobs
Fine .Adjustment .Knob .- .(correct .answer) .-
the .smaller .knob .located .in .the .center .of .the .coarse .adjustment .knob. .It .can .be .operated .from .eith
er .side .of .the .microscope. .It .should .be .used .to .sharpen .the .focus .after .you .have .located .your .speci
men.
Coarse .Adjustment .Knob .- .(correct .answer) .-
the .large .knob .located .on .the .side .of .the .arm. .It .can .be .operated .from .either .side .of .the .microscop
e. .It .moves .the .stage .up .and .down .in .large .increments .and .should .be .used .to .locate .a .specimen .fir
st.
Arm .- .(correct .answer) .-
when .carrying .the .microscope .one .hand .should .grasp .the .arm .and .one .hand .should .be .placed .bene
ath .the .base
Nucleoid .Region .- .(correct .answer) .-The .DNA .in .prokaryotes .is .organized .in .a .______.
Membrane .Bound .Nucleus .- .(correct .answer) .-Eukaryotes .house .their .DNA .in ._____.
Peptidoglycan .- .(correct .answer) .-a .polymer, .consisting .of .sugars .and .amino .acids, .forms .a .mesh-like
.layer .outside .the .cell .membrane .of .bacteria
Gram-positive .- .(correct .answer) .-
bacteria .are .able .to .retain .the .crystal .violet .stain. .This .is .due .to .the .high .amount .of .peptidoglycan .i
n .their .cell .walls.
Gram-negative .- .(correct .answer) .-
bacteria .are .not .able .to .retain .the .crystal .violet .stain. .Instead, .these .bacteria .have .a .red .or .pink .col
or .their .cell .walls.
Gloeocapsa .- .(correct .answer) .-its .cells .are .surrounded .by .a .gelatinous .sheath
Heterocysts .- .(correct .answer) .-special .cells .in .anabaena .that .fix .atmospheric .nitrogen
Cilia .- .(correct .answer) .-Paramecium .move .by .means .of .hair-like .extensions .called .____.
Solutions.
Malaria .- .(correct .answer) .-Plasmodium .is .famous .for .causing .which .disease?
Field .of .View .- .(correct .answer) .-the .diameter .of .the .circle .of .light .that .you .see .when .looking .into .a
.microscope
40x .- .(correct .answer) .-total .magnification .used .on .the .shortest .objective
100x .- .(correct .answer) .-total .magnification .used .on .low .power .objective
400x .- .(correct .answer) .-total .magnification .used .on .high .power .objective
Voltage .Control .Dial .- .(correct .answer) .-
What .part .of .the .microscope .should .increase .the .light .intensity?
Preparing .a .Wet .Mount .- .(correct .answer) .-
made .by .placing .the .material .to .be .viewed .in .a .drop .of .fluid .and .covering .it .with .a .plastic .cover .sli
p .to .protect .the .lens .from .damage
Starch .Granules .- .(correct .answer) .-
the .dark .purple/black .spheres .that .we .saw .while .examining .banana .tissue
Eyepiece .- .(correct .answer) .-located .at .the .top .of .the .microscope, .contains .the .ocular .lens .(10x)
Revolving .Nosepiece .- .(correct .answer) .-
a .rotating .disk .with .objective .lenses .mounted .on .it. .The .shortest .magnification .of .4X, .the .lower .pow
er .objective .10X, .and .the .higher .power .objective .is .40X.
Mechanical .Stage .- .(correct .answer) .-
it .can .be .moved .left, .right, .up, .and .down .by .using .the .knobs .located .below .the .front .corner .of .the .
stage
Specimen .Holder .- .(correct .answer) .-a .metal .clamp .that .holds .a .glass .slide .in .place .on .the .stage
, Light .Switch .- .(correct .answer) .-
a .toggle .switch .that .turns .the .light .on .and .off .at .the .front .of .the .base. .It .should .be .turned .off .whe
n .not .in .use .and .before .the .microscope .is .returned .to .the .cabinet.
Base .- .(correct .answer) .-supports .the .microscope
Voltage .Control .Dial .- .(correct .answer) .-
located .on .the .side .of .the .base .near .the .hand .rest. .It .is .marked .with .numbers .from .1 .to .10. .Illumin
ation .of .the .specimen .is .changed .by .rotating .the .dial.
Hand .Rest .- .(correct .answer) .-the .flat .area .on .each .side .of .the .base .below .the .adjustment .knobs
Fine .Adjustment .Knob .- .(correct .answer) .-
the .smaller .knob .located .in .the .center .of .the .coarse .adjustment .knob. .It .can .be .operated .from .eith
er .side .of .the .microscope. .It .should .be .used .to .sharpen .the .focus .after .you .have .located .your .speci
men.
Coarse .Adjustment .Knob .- .(correct .answer) .-
the .large .knob .located .on .the .side .of .the .arm. .It .can .be .operated .from .either .side .of .the .microscop
e. .It .moves .the .stage .up .and .down .in .large .increments .and .should .be .used .to .locate .a .specimen .fir
st.
Arm .- .(correct .answer) .-
when .carrying .the .microscope .one .hand .should .grasp .the .arm .and .one .hand .should .be .placed .bene
ath .the .base
Nucleoid .Region .- .(correct .answer) .-The .DNA .in .prokaryotes .is .organized .in .a .______.
Membrane .Bound .Nucleus .- .(correct .answer) .-Eukaryotes .house .their .DNA .in ._____.
Peptidoglycan .- .(correct .answer) .-a .polymer, .consisting .of .sugars .and .amino .acids, .forms .a .mesh-like
.layer .outside .the .cell .membrane .of .bacteria
Gram-positive .- .(correct .answer) .-
bacteria .are .able .to .retain .the .crystal .violet .stain. .This .is .due .to .the .high .amount .of .peptidoglycan .i
n .their .cell .walls.
Gram-negative .- .(correct .answer) .-
bacteria .are .not .able .to .retain .the .crystal .violet .stain. .Instead, .these .bacteria .have .a .red .or .pink .col
or .their .cell .walls.
Gloeocapsa .- .(correct .answer) .-its .cells .are .surrounded .by .a .gelatinous .sheath
Heterocysts .- .(correct .answer) .-special .cells .in .anabaena .that .fix .atmospheric .nitrogen
Cilia .- .(correct .answer) .-Paramecium .move .by .means .of .hair-like .extensions .called .____.
