BIO 110 LAB EXAM #1 QUESTIONS
AND ANSWERS
Light - Correct Answers -Microscope used in lab
Iris diaphragm - Correct Answers -Change light level that enters through specimen
1.4 mm
(5.) - Correct Answers -Diameter of field of view= 5.6 mm at 40x
What is the diamter at 80x?
True - Correct Answers -Field of view decreases as maginification increases?
(True or False)
True - Correct Answers -Working distance gets smaller when switching from a lower
objective to a higher one?
(True or False)
Working distance - Correct Answers -Distance from slide to objective
Field of view - Correct Answers -Circle you see when looking into the microscope
Cell (plasma) membrane - Correct Answers -Outer boundary of cell
Phospholipid layer
Phospholipid bilayer - Correct Answers --Peripheral phosohate head
-Hydrocarbon (lipid) tail directed toward middle of membrane
Lysosomes (phagocytic vessicles) - Correct Answers --In cytoplasm
-Specialized vessicle
-Digest material w/ hydrolytic enzymes (process known as phagocytic vessicles)
Peroxisomes - Correct Answers --In cytoplasm
-Speciailized vessicle
-Use enzymes to convert hydrogen peroxide to water & oxygen
Centrioles - Correct Answers -Unique
Form microtubles and spindle apparatus (involved in cellular divsion)
Unit membrane - Correct Answers -Other phospholipid bilayer membranes enclosing
cytoplasmic structures
, Cytoplasm - Correct Answers -Inside plasma membrane
Cytosol, cytoskeleton, organelles found here
Organelles - Correct Answers -Small, cellular strctures
Suspended in cytosol
Plasma membrane - Correct Answers -Phospholipid
Phospholipid bilayer
Transmembrane protein
Channel protein
Cholesterol
Mitochondrion - Correct Answers -Cristae
Intramembranous space
Matrix
Inner membrane
Outer memrane
Golgi apparatus - Correct Answers -Cisternae
Vessicle
Unit membrane
Nucleus - Correct Answers -Nucleoplasm
Nucleolus
Nuclear membrane
Nuclear pore
Rough & Smooth endoplasmic reticulum - Correct Answers -Cisternae
Unit memrane
Ribosome
Centrioles - Correct Answers -Microtubules
Cytoskeleton - Correct Answers -Network of small filaments & tubules
Microvilli - Correct Answers -Small extensions of plasma memrane
Increase surface area of cell
Found: digestive/urinary systems
Cilia & Flagella - Correct Answers -Extend from edges of cell
Bundles of microtubules
Covered by plasma memrane
Cilia - Correct Answers -Most cells do not have
Found in cells involved w/ movement
AND ANSWERS
Light - Correct Answers -Microscope used in lab
Iris diaphragm - Correct Answers -Change light level that enters through specimen
1.4 mm
(5.) - Correct Answers -Diameter of field of view= 5.6 mm at 40x
What is the diamter at 80x?
True - Correct Answers -Field of view decreases as maginification increases?
(True or False)
True - Correct Answers -Working distance gets smaller when switching from a lower
objective to a higher one?
(True or False)
Working distance - Correct Answers -Distance from slide to objective
Field of view - Correct Answers -Circle you see when looking into the microscope
Cell (plasma) membrane - Correct Answers -Outer boundary of cell
Phospholipid layer
Phospholipid bilayer - Correct Answers --Peripheral phosohate head
-Hydrocarbon (lipid) tail directed toward middle of membrane
Lysosomes (phagocytic vessicles) - Correct Answers --In cytoplasm
-Specialized vessicle
-Digest material w/ hydrolytic enzymes (process known as phagocytic vessicles)
Peroxisomes - Correct Answers --In cytoplasm
-Speciailized vessicle
-Use enzymes to convert hydrogen peroxide to water & oxygen
Centrioles - Correct Answers -Unique
Form microtubles and spindle apparatus (involved in cellular divsion)
Unit membrane - Correct Answers -Other phospholipid bilayer membranes enclosing
cytoplasmic structures
, Cytoplasm - Correct Answers -Inside plasma membrane
Cytosol, cytoskeleton, organelles found here
Organelles - Correct Answers -Small, cellular strctures
Suspended in cytosol
Plasma membrane - Correct Answers -Phospholipid
Phospholipid bilayer
Transmembrane protein
Channel protein
Cholesterol
Mitochondrion - Correct Answers -Cristae
Intramembranous space
Matrix
Inner membrane
Outer memrane
Golgi apparatus - Correct Answers -Cisternae
Vessicle
Unit membrane
Nucleus - Correct Answers -Nucleoplasm
Nucleolus
Nuclear membrane
Nuclear pore
Rough & Smooth endoplasmic reticulum - Correct Answers -Cisternae
Unit memrane
Ribosome
Centrioles - Correct Answers -Microtubules
Cytoskeleton - Correct Answers -Network of small filaments & tubules
Microvilli - Correct Answers -Small extensions of plasma memrane
Increase surface area of cell
Found: digestive/urinary systems
Cilia & Flagella - Correct Answers -Extend from edges of cell
Bundles of microtubules
Covered by plasma memrane
Cilia - Correct Answers -Most cells do not have
Found in cells involved w/ movement
