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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
Storing genetic information
B
Fight disease
C
control rates of reactions
D
move substances in or out of cells
2) What is the role of carbohydrates?
A
To fight diseases
B
To provide energy
C
to store genetic information
D
To store energy
3) Atoms are ___________________ in chemical reactions
A
created
B
rearranged
C
suspended
D
destroyed
4) Chemical reactions.....
A
destroys one set of chemicals to make another
B
half one set of chemicals to double another
C
produces one set of chemicals into another
D
changes one set of chemicals into another
5) ____________ go into a reaction, _____________are made from the reaction
A
products, reactants
B
enzymes, reactants
C
reactants, products
D
reactants, reactants
6) activation energy is
A
The energy needed to get a reaction started
B
The energy needed to end a reaction
C
The energy needed to stall a reaction
D
The energy needed to slow down a reaction
7) If a reaction releases energy in one direction, it would do what in the opposite?
A
Absorb energy
B
slows down energy
C
also release energy
D
destroys energy
8) ________________speeds up reactions
A
isotopes
B
chemicals
C
enzymes
D
Lipids
9) What is the monomer for DNA?
A
monosaccharide
B
nucleotide
C
amino acid
D
fatty acid and glycerol
10) monomers make up
A
chemical reactions
B
monosaccharides
C
enzymes
D
polymers
11) Enzymes are which type of macromolecule?
A
Nucleic Acids
B
Carbohydrates
C
Proteins
D
Lipids
12) How many atoms are in 2NH?
A
1 nitrogen and 2 hydrogen
B
1 nitrogen and 1 hydrogen
C
2 nitrogen and 2 hydrogen
D
2 nitrogen and 1 hydrogen
*select an answer for all questions
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