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How do you calculate the total magnification?
ocular lens X objective lens
(ocular lens is always 10)
How do you calculate the working distance of a microscope?
The distance between the objective lens and slide. Use a ruler to measure
How do you estimate the diameter of the field of view in a microscope?
slide a ruler under the objective lens and count the tics through the lens
How is the Benedict's reagent used to test for reducing sugars? What does a positive test look like?
is blue in color and when it reacts with a reducing sugar it turns orange
How is iodine used to test for starch? What does a positive test look like?
mix iodine with the sample, turns dark blue/black in color
How does detergeant react with fats to mix fats in water?
able to mix w/ fats and water - mixes with each other
How is a paper test used to distinguis between water and lipids?
drop of water on paper - goes into paper
drop of oil on paper - sits on top of paper
What is denaturation of protein?
3d structure is broken down
How do you generate a wet mount slide of your cheek cells?
put your check cells onto slide
add a drop of something wet (water, stain)
put a cover slip on
What is this stage
Prophase
What is this stage
Metaphase
What is this stage
anaphase
What is this stage
telophase
Which cells undergo mitosis?
body cells
Which cells undergo meiosis?
reproductive cells
What are dominant traits?
dont skip generations
What are recessive traits?
skip generations
Are dominant traits always more frequent in the population that recessive traits?
No
What is the phenotype ratio for a cross of 2 heterozygous individuals?
3 dominant to 1 recessive 3:1
How are antibodies used in blood typing experiments?
antibodies will clump together
will attach to any blood cells it can
What do positive and negative blood typing results look like?
positive - clump together
negative - nothing
What type of tissue is this?
cuboidal epithelium
What type of tissue is this?
columnar epithelium
What type of tissue is this?
squamous epithelium
What type of tissue is this?
hyaline cartilage
What type of tissue is this?
bone tissue
What type of tissue is this?
skeletal muscle tissue
What type of tissue is this?
nerve tissue
What is the location of the foramen magnum in the skull?
bottom of skull
What makes up the axial skeleton?
middle of body
skull, spine, ribs
What makes up the appendicular skeleton?
arms and legs
How do you measure pulse rate?
how many beats per minute ( in pulse, neck)
How do you measure blood pressure?
blood pressure cuff
How do you hear heart sounds?
a stethoscope
How do you use a respirometer to measure vital capicity?
set it at 0
blow into as hard as you can all at once
Author
stylishstylist
ID
50644
Card Set
biology
Description
Lab Exam
Updated
2010-11-19T22:59:59Z
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