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Biology Quiz 2-3 And 4
Test Description: Bio quiz
Instructions: Answer all questions to get your test result.
1) Lipids are important parts of biological membranes and waterproof coverings.
A
False
B
True
2) Proteins that speed up the rate of chemical reactions in a cell without requiring high temperatures are called antibodies.
A
False
B
True
3) The substances that are present when a chemical reaction begins are called the products.
A
True
B
False
4) In an experiment to test the affect of temperature on the rate of bacterial reproduction, the temperature would be the dependent variable
A
True
B
False
5) In an experiment to test the affect of temperature on the rate of bacterial reproduction the rate of bacterial reproduction would be the dependent variable.
A
False
B
True
6) In an experiment to test the affect of temperature on the rate of bacterial reproduction, a good control group would be the species of bacteria
A
False
B
True
7) In an experiment to test the affect of temperature on the rate of bacterial reproduction, a constant would be the species of bacteria.
A
True
B
False
8) Enzymes are proteins that speed up chemical reactions.
A
True
B
False
9) Normal body temperature of humans is 40 degree celcius. Therefore an enzyme with an optimum activity temperature of 75 degrees celcius might be found in humans.
A
False
B
True
10) Enzymes are one of the four major groups of organic compounds.
A
True
B
False
11) Amino acid is to protein as
A
Sugar is to fat
B
DNA is to RNA
C
fat is to lipid
D
simple sugar is to starch
12) A monosaccharide is a
A
protein
B
lipid
C
carbohydrate
D
nucleic acid
13) Which of the following IS NOT a function of proteins?
A
control the rate of reactions
B
help fight disease
C
store and transmit herediity
D
build tissue such as bone and muscle
14) Which statement is true?
A
glycerol is made of fatty acids
B
amino acids are made of proteins
C
simple sugars are made of polysaccharides
D
RNA is made of nucleotides
15) Enzymes affect chemical reactions in living cells by changing the
A
temperature of the reaction
B
products of the reaction
C
pH of the reaction
D
speed of the reaction
16) When hydrogen and oxygen combine to form water, water is
A
both a product and reactant
B
a product
C
a reactant
D
neither a product or reactant
17) What is the term used to describe the energy needed to get a reaction started?
A
activation energy
B
chemical energy
C
adhesion energy
D
cohesion energy
18) When carbon dioxide and water combine during photosynthesis to produce glucose and oxygen, the reactants are
A
glucose and oxygen
B
carbon dioxide and water
C
glucose and oxygen
D
water and glucose
19) When carbon dioxide and water combine during photosynthesis to produce glucose and oxygen, the products are
A
glucose and oxygen
B
water and glucose
C
oxygen and carbon dioxide
D
carbon dioxide and water
20) Which of the following statements about enzymes is NOT true?
A
all enzymes work inside of cells
B
enzymes work best at a specific pH
C
enzymes are organic catalysts
D
enzymes are proteins
*select an answer for all questions
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