Chemical Compounds In Cells Question Preview (ID: 20697)
Carbs, Lipids, And Proteins, Oh My!
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A type of protein that speeds up a chemical reaction______
a) molecule
b) compound
c) enzyme
d) DNA
which is found in the nucleus of an atom?
a) proton
b) compound
c) chemical
d) electron
_____________ is a process that helps move water and solutes into and out of our cells.
a) photosynthesis
b) respiration
c) osmosis
d) active transport
Approximately how much of our bodies are made of water?
a) 1/3
b) 2/3
c) 1/2
d) 99%
RNA plays a role in the production of ___________.
a) fats
b) carbohydrates
c) proteins
d) DNA
True or False? DNA plays a role in heredity.
a) Frue
b) Tralse
c) False
d) True
____________ ____________ are very lare organic molecules that are made up of carbon, oxygen, nitrogen, phosphorous, hydrogen
a) reaction enzymes
b) hydroxi nucleic acids
c) Nucleic Acids
d) restriction enzymes
True or False: Lipids are energy rich molecules
a) True
b) False
c)
d)
Carbohydrates contain:
a) carbon - hydrogen-oxygen
b) hydrogen-sulfur-oxygen
c) carbon- sulfur-oxygen
d) carbon-oxygen-phosphorous
A_________is a protein that speeds up a chemical reaction
a) lipid
b) enzyme
c) fat
d) carbohydrate
How many amino acids can combine in different ways to make proteins?
a) 10
b) 15
c) 18
d) 20
Proteins are made up of carbon, hydrogen, oxygen, nitrogen and sometimes:
a) sulfur
b) kryptonite
c) hydrogen peroxide
d) argon
Large molecules made of combinations of amino acids are called:
a) carbohydrates
b) lipids
c) proteins
d) nucleic acid
True or False: Inorganic molecules do not contain carbon.
a) True
b) False
c)
d)
What type of molecules always contain carbon?
a) inorganic
b) salts
c) organic
d) none of the above
This is created when 2 or more elements are combined
a) compound
b) atom
c) proton
d) electron
Any substance that can not be broken down into a simpler substance.....
a) compound
b) protein
c) carbohydrate
d) element
This molecule plays a role in the production of proteins and is found in the nucleolus
a) atom
b) DNA
c) fats
d) RNA
With out________most chemical reactions can not occur.
a) fats
b) water
c) salts
d) pepper
Cells need energy to sustain life
a) false
b) True
c) Frue
d) tralse
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