mcb 100 exam 1 uiuc questions with complete solutions
.001 m Correct Answers 1 mm
.001 mm Correct Answers 1 µm
.001 µm Correct Answers 1 nm
1 meter (m) Correct Answers 1000 millimeters (mm)
1 micron (µm) Correct Answers 1000 nanometers (nm)
1 millimeter (mm) Correct Answers 1000 microns (µm)
1 mm Correct Answers 1x10-3 m
1 nm Correct Answers 1x10-9 m
1 µm Correct Answers 1x10-6 m
4000 years ago Correct Answers production of cheese from
milk by people who did not know of the existence of
microorganisms
all living organisms are Correct Answers composed of cells
all major groups of microorganisms have... Correct Answers
cell membrane but some lack cell wall
angstrom Correct Answers 1x10-10 m or 1/10 nm
,bacteria Correct Answers generally larger than viruses
cellular
bacterial cells vs eukaryotic cells Correct Answers bacteria dont
have a nuclear membrane, eukaryotic cells do
Can living organisms arise by spontaneous generation? Correct
Answers theoretically: theory of evolution was new but how did
life begin?
practical concern: is there any point to cleanliness and
disinfectants?
cell membrane Correct Answers lipid bilayer with embedded
proteins
acts as diffusion barrier around cell
semipermeable
cell wall Correct Answers net-like bag of polysaccharides that
surrounds the cell and causes it to maintain a specific shape
protects cell from osmotic lysis but not a barrier to the diffusion
of small molecules
cells with cell walls Correct Answers more defined rigid shapes
haloquadratum walsbyi
diatom
cells without cell walls Correct Answers more flexible shape,
, mycoplasma
amoeba
centi Correct Answers 1/100
chromosome number: prok vs euk Correct Answers euk: plural
prok: singular
chromosome shape: prok vs euk Correct Answers euk: linear
prok: circular
cytoplasmic membrane Correct Answers also known as cell
membrane/plasma membrane
controls diffusion of materials into and out of cell
made of lipids, proteins, interior of cell membrane oily,
hydrophobic environment
death Correct Answers Total deaths from non-infectious causes:
33.3 million
Total deaths from infectious causes: 14.2 million
Deaths From Non-infectious Causes Deaths Due to Infectious
Diseases
Heart Disease 11.1 Respiratory infections 3.9
Cancer 7.1 HIV/AIDS 2.9
Stroke 5.5 Diarrheal diseases 2.0
CLRD* 3.6 Tuberculosis 1.6
Accidents 3.5 Malaria 1.3
Perinatal Conditions 2.5 Measles 1.0
.001 m Correct Answers 1 mm
.001 mm Correct Answers 1 µm
.001 µm Correct Answers 1 nm
1 meter (m) Correct Answers 1000 millimeters (mm)
1 micron (µm) Correct Answers 1000 nanometers (nm)
1 millimeter (mm) Correct Answers 1000 microns (µm)
1 mm Correct Answers 1x10-3 m
1 nm Correct Answers 1x10-9 m
1 µm Correct Answers 1x10-6 m
4000 years ago Correct Answers production of cheese from
milk by people who did not know of the existence of
microorganisms
all living organisms are Correct Answers composed of cells
all major groups of microorganisms have... Correct Answers
cell membrane but some lack cell wall
angstrom Correct Answers 1x10-10 m or 1/10 nm
,bacteria Correct Answers generally larger than viruses
cellular
bacterial cells vs eukaryotic cells Correct Answers bacteria dont
have a nuclear membrane, eukaryotic cells do
Can living organisms arise by spontaneous generation? Correct
Answers theoretically: theory of evolution was new but how did
life begin?
practical concern: is there any point to cleanliness and
disinfectants?
cell membrane Correct Answers lipid bilayer with embedded
proteins
acts as diffusion barrier around cell
semipermeable
cell wall Correct Answers net-like bag of polysaccharides that
surrounds the cell and causes it to maintain a specific shape
protects cell from osmotic lysis but not a barrier to the diffusion
of small molecules
cells with cell walls Correct Answers more defined rigid shapes
haloquadratum walsbyi
diatom
cells without cell walls Correct Answers more flexible shape,
, mycoplasma
amoeba
centi Correct Answers 1/100
chromosome number: prok vs euk Correct Answers euk: plural
prok: singular
chromosome shape: prok vs euk Correct Answers euk: linear
prok: circular
cytoplasmic membrane Correct Answers also known as cell
membrane/plasma membrane
controls diffusion of materials into and out of cell
made of lipids, proteins, interior of cell membrane oily,
hydrophobic environment
death Correct Answers Total deaths from non-infectious causes:
33.3 million
Total deaths from infectious causes: 14.2 million
Deaths From Non-infectious Causes Deaths Due to Infectious
Diseases
Heart Disease 11.1 Respiratory infections 3.9
Cancer 7.1 HIV/AIDS 2.9
Stroke 5.5 Diarrheal diseases 2.0
CLRD* 3.6 Tuberculosis 1.6
Accidents 3.5 Malaria 1.3
Perinatal Conditions 2.5 Measles 1.0
