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Bio 2nd Q Exam
Test Description: Chem questions
Instructions: Answer all questions to get your test result.
1) What is NOT a role of proteins?
A
move substances in or out of cells
B
Storing genetic information
C
Fight disease
D
control rates of reactions
2) What is the role of carbohydrates?
A
To provide energy
B
to store genetic information
C
To store energy
D
To fight diseases
3) Atoms are ___________________ in chemical reactions
A
created
B
rearranged
C
destroyed
D
suspended
4) Chemical reactions.....
A
produces one set of chemicals into another
B
changes one set of chemicals into another
C
destroys one set of chemicals to make another
D
half one set of chemicals to double another
5) ____________ go into a reaction, _____________are made from the reaction
A
products, reactants
B
reactants, products
C
reactants, reactants
D
enzymes, reactants
6) activation energy is
A
The energy needed to end a reaction
B
The energy needed to slow down a reaction
C
The energy needed to get a reaction started
D
The energy needed to stall a reaction
7) If a reaction releases energy in one direction, it would do what in the opposite?
A
destroys energy
B
Absorb energy
C
slows down energy
D
also release energy
8) ________________speeds up reactions
A
enzymes
B
Lipids
C
chemicals
D
isotopes
9) What is the monomer for DNA?
A
fatty acid and glycerol
B
monosaccharide
C
nucleotide
D
amino acid
10) monomers make up
A
chemical reactions
B
enzymes
C
polymers
D
monosaccharides
11) Enzymes are which type of macromolecule?
A
Carbohydrates
B
Nucleic Acids
C
Proteins
D
Lipids
12) How many atoms are in 2NH?
A
2 nitrogen and 1 hydrogen
B
1 nitrogen and 1 hydrogen
C
2 nitrogen and 2 hydrogen
D
1 nitrogen and 2 hydrogen
*select an answer for all questions
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