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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 fight diseases
B
To store energy
C
To provide energy
D
to store genetic information
3) Atoms are ___________________ in chemical reactions
A
rearranged
B
destroyed
C
created
D
suspended
4) Chemical reactions.....
A
destroys one set of chemicals to make another
B
produces one set of chemicals into another
C
half one set of chemicals to double another
D
changes one set of chemicals into another
5) ____________ go into a reaction, _____________are made from the reaction
A
reactants, reactants
B
enzymes, reactants
C
products, reactants
D
reactants, products
6) activation energy is
A
The energy needed to slow down a reaction
B
The energy needed to stall a reaction
C
The energy needed to get a reaction started
D
The energy needed to end a reaction
7) If a reaction releases energy in one direction, it would do what in the opposite?
A
slows down energy
B
Absorb energy
C
destroys energy
D
also release energy
8) ________________speeds up reactions
A
isotopes
B
enzymes
C
Lipids
D
chemicals
9) What is the monomer for DNA?
A
monosaccharide
B
amino acid
C
fatty acid and glycerol
D
nucleotide
10) monomers make up
A
chemical reactions
B
polymers
C
enzymes
D
monosaccharides
11) Enzymes are which type of macromolecule?
A
Nucleic Acids
B
Carbohydrates
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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