biochem water and life safety equipment water equipment
100
Which of the following is a property of water that allows it to help an organism maintain homeostasis?
water molecules are polar
100
Why is NASA's Mars curiosity looking for water on Mars?
it could be life
100
What does a “R” rating on a respirator indicate?
somewhat resistant to oil
100
What is the result of oxygen pulling electrons from hydrogen in a water molecule?
compound
100
used to protect eyes
goggles
200
What is carboxyl groups and fatty acid chains are the monomer units (components) of
lipids
200
in what form was water found on Mars?
frozen
200
An escape respirator is used when
Only used in an emergency
200
What results from the attraction between two water molecules?
compound
200
used to protect skin/ hands
gloves
300
What is Passing genetic information from one generation to another is the responsibility of
nucleic acids
300
What effect does water have on salt ions when the salt is added to the water?
dissolves
300
should you play while doing a lab
no
300
Why does frozen water or ice floats on top of liquid water?
it expands
300
used to see smaller objects
microscope
400
What is A major structural component of the skin, muscles, and organs is
protein
400
Water is a good solvent because it is what kind of molecule?
polar
400
should you always wear goggles
yes
400
What is so unusual about ice when every other thing that it's cold sinks in water?
expands
400
used to hold liquids
tube
500
What is Water molecules are attracted to each other by
hydrogen bonds
500
Why does sucrose dissolve but not break down when added to water whereas salt does?
polar and non polar
500
should you always wear gloves
yes
500
What does water's property of being a good solvent have to do with living things?
dissolves things
500
used to measure liquids
dropper






biochemistry

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