BIO 1108 EXAM QUESTIONS AND
ANSWERS A+ GRADED
Choose the right term
Gram - bacteria cell wall contains a (thin/thick) peptidoglycan layer
Gram + bacteria cell wall contains a (thin/thick) peptidoglycan layer
Gram - : THIN
Gram + : THICK
Bacteria uses ____ as a core component of the cell walls
peptidoglycan
Archaea uses ____ as a core component of the cell walls
pseudopeptidoglycan
What type of cell undergoes mitosis?
Eukaryotes
Mitosis divides into ____ cells
2 genetically identical cells
What type of cell undergoes meiosis?
Eukaryotes
Mitosis is considered to be ___ reproduction\n(sexual/asexual)
asexual
Meiosis is considered to be ___ reproduction\n(sexual/asexual)
sexual
Meoisis reproduces into ____ cells
4 genetically unique cells
What type of cell undergoes binary fission?
Prokaryotes
Binary fission is considered to be ____ reproduction (Sexual/asexual)
asexual
Binary fission divides into ____ cells
2 genetically identical cells
Binary fission makes ____ cells
2 genetically identical cells
Describe oil immersion
A technique used to increase the resolving power of a microscope. Without oil, light
waves reflect off the side of the specimen through the glass cover slip
What is the simple most common used of light microscopy?
Bright field microscopy
What type of microscopy is used in this photo?
https://images.cram.com/images/upload-flashcard/82/12/54/37821254_m.jpg Bright field
True or false:
Specimens are often stained when using bright field microscopy
TRUE
What are the 4 types of light microscopy?
1) bright field
2) dark field
, 3) phase contrast
4) differential interference contrast
What type of light microscopy is used in this photo?
https://images.cram.com/images/upload-flashcard/82/12/60/37821260_m.jpg Dark field
True or false:
Staining is required for organism to be viewed in dark field microscopy?
FALSE
True or false:
The specimen must be dead when using dark field microscopy?
FALSE
What are the downsides of using dark field microscopy?
Lack of stain = can only identify shape, size, movement
Describe Robert Hooke (1600s)
-First to publish description of cells\n-Studied household objects, plants, trees\n-
DESCRIBED cellular structures
Describe Antonie Van Leeuwenhoek (1632-1723)
-Refined earlier version of the microscope\n-Observed "animalcules" scraped from
teeth\n\n-Blood cells, bacterial and sperm cells
Describe Robert Koch (1875)
Koch's postulates: established whether an organism was pathogenic and which disease
it caused
Showed that anthrax was caused by Bacillus anthracis
Describe Koch's postulates (1875)
Establish whether an organism was pathogenic + which disease it caused
Describe Ignaz Semmelweis (1818-1865)
-Developed first aseptic technique in hospital setting\n-Recommended hand washing to
↓ mortality rates from childbed fever (1840s)
Describe Florence Nightingale (1820-1910)
Establishedaseptic techniques in nursing Founder of modern nursing
Who is the father of taxonomy?
Carolus Linnaeus
Name the 4 biological macromolecules
1) Carbohydrates
2) Proteins
3) Lipids
4) Nucleic acids
Name 3 types of monosaccharides
1) Glucose
2) Fructose
3) Galactose
Carbohydrates:\n_____ = 1 sugar\n_____ = 2 sugar units\n_____ = Many sugars
1) Monosaccharide
2) Disaccharide
3) Polysaccharides
Give an example of Monosaccharide
Glycose
ANSWERS A+ GRADED
Choose the right term
Gram - bacteria cell wall contains a (thin/thick) peptidoglycan layer
Gram + bacteria cell wall contains a (thin/thick) peptidoglycan layer
Gram - : THIN
Gram + : THICK
Bacteria uses ____ as a core component of the cell walls
peptidoglycan
Archaea uses ____ as a core component of the cell walls
pseudopeptidoglycan
What type of cell undergoes mitosis?
Eukaryotes
Mitosis divides into ____ cells
2 genetically identical cells
What type of cell undergoes meiosis?
Eukaryotes
Mitosis is considered to be ___ reproduction\n(sexual/asexual)
asexual
Meiosis is considered to be ___ reproduction\n(sexual/asexual)
sexual
Meoisis reproduces into ____ cells
4 genetically unique cells
What type of cell undergoes binary fission?
Prokaryotes
Binary fission is considered to be ____ reproduction (Sexual/asexual)
asexual
Binary fission divides into ____ cells
2 genetically identical cells
Binary fission makes ____ cells
2 genetically identical cells
Describe oil immersion
A technique used to increase the resolving power of a microscope. Without oil, light
waves reflect off the side of the specimen through the glass cover slip
What is the simple most common used of light microscopy?
Bright field microscopy
What type of microscopy is used in this photo?
https://images.cram.com/images/upload-flashcard/82/12/54/37821254_m.jpg Bright field
True or false:
Specimens are often stained when using bright field microscopy
TRUE
What are the 4 types of light microscopy?
1) bright field
2) dark field
, 3) phase contrast
4) differential interference contrast
What type of light microscopy is used in this photo?
https://images.cram.com/images/upload-flashcard/82/12/60/37821260_m.jpg Dark field
True or false:
Staining is required for organism to be viewed in dark field microscopy?
FALSE
True or false:
The specimen must be dead when using dark field microscopy?
FALSE
What are the downsides of using dark field microscopy?
Lack of stain = can only identify shape, size, movement
Describe Robert Hooke (1600s)
-First to publish description of cells\n-Studied household objects, plants, trees\n-
DESCRIBED cellular structures
Describe Antonie Van Leeuwenhoek (1632-1723)
-Refined earlier version of the microscope\n-Observed "animalcules" scraped from
teeth\n\n-Blood cells, bacterial and sperm cells
Describe Robert Koch (1875)
Koch's postulates: established whether an organism was pathogenic and which disease
it caused
Showed that anthrax was caused by Bacillus anthracis
Describe Koch's postulates (1875)
Establish whether an organism was pathogenic + which disease it caused
Describe Ignaz Semmelweis (1818-1865)
-Developed first aseptic technique in hospital setting\n-Recommended hand washing to
↓ mortality rates from childbed fever (1840s)
Describe Florence Nightingale (1820-1910)
Establishedaseptic techniques in nursing Founder of modern nursing
Who is the father of taxonomy?
Carolus Linnaeus
Name the 4 biological macromolecules
1) Carbohydrates
2) Proteins
3) Lipids
4) Nucleic acids
Name 3 types of monosaccharides
1) Glucose
2) Fructose
3) Galactose
Carbohydrates:\n_____ = 1 sugar\n_____ = 2 sugar units\n_____ = Many sugars
1) Monosaccharide
2) Disaccharide
3) Polysaccharides
Give an example of Monosaccharide
Glycose
