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Scientific Method/Biochemistry Flashcards | StudBud
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Scientific Method/Biochemistry
Scientific Method/Biochemistry
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Review for Bio EOC
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
A scientific theory is...
another word for hypothesis
a well-tested explanation of an observation
the first step in a well controlled experiment
the same as the conclusion of an experiment
2
The independent variable in the scenario below is...
brand of food
breed of dog
food the dog eats
amount of food
3
The three particles that make up an atom are
positive, negative, and electrons
protons, neutrons, and isotopes
neutrons, isotopes, and electrons
protons, neutrons, and electrons
4
Enzymes are a specialized type of what macromolecule
carbohydrate
protein
lipid
nucleic acid
5
Which type of macromolecule is copied in transcription
carbohydrate
nucleic acid
protein
lipid
6
Which of the following is true about enzymes
enzymes work on any kind of reaction
enzymes are used up during a chemical reaction
enzymes lower the activation energy of a chemical reaction
enzymes slow down the rate of a reaction
7
What chemical equation is shown below
Photosynthesis
Aerobic respiration
Anaerobic respiration
Protein synthesis
8
Which of the following is a qualitative observation
There are 12 science classrooms in the school
Turtle shells contain the vertebral column
The solution has a pH of 3.5
An organism has six legs
9
An inference is
a statement always involving numbers
the logical interpretation of an observation
the same as an observation
the same as a hypothesis
10
Solutions with a high concentration of H
+
ions are considered to be
neutral
basic
enzymes
acidic
11
Which line represents the reaction of unbuffered tap water when a base is added
B
A
None
C
12
Which of the following best describes the makeup of water
one atom of hydrogen and one atom of oxygen
two atoms of hydrogen and one atom of oxygen
two atoms of hydrogen and two atoms of oxygen
one atom of hydrogen and two atoms of oxygen
13
In a chemical reaction, atoms are
destroyed
created
rearranged
neutralized
14
Which of the following is not a characteristic of life
living things stay the same over millions of generations
living things are organized with cells
maintaining a balanced internal environment
reproducing, growing, and developing
