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BIO117 Exam 1 Study Guide Questions with Answers (100% Correct Answers)

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BIO117 Exam 1 Study Guide Questions with Answers (100% Correct Answers)

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BIO117
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BIO117

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BIO117 Exam 1 Study Guide Questions with Answers
(100% Correct Answers)

Homeostasis Answer: Controlled internal environment

Negative feedback Answer: Detects changes from normal and returns

to normal

Cells Answer: Smallest unit of life

Tissues Answer: Groups of cells

Organs Answer: Groups of tissues

Organ systems Answer: Groups of organs

Organism Answer: Group of organ systems maintaining homeostasis

Proteins Answer: Made of amino acids

Carbohydrates Answer: Provides quick energy

Fats Answer: Long term energy storage, insulation, protection

Nucleic acids Answer: Information storage and transfer system for cells


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Hydrogen Answer: 1p; mass=1

Carbon Answer: 6p, 6n, 6e; mass=12

Nitrogen Answer: 7p, 7n, 7e; mass=7

Oxygen Answer: 8p, 8n, 8e; mass=8

Atoms Answer: Smallest unit of an element with its properties

Nucleus Answer: Contains protons and neutrons

Atomic number Answer: Number of protons

Atomic mass Answer: Number of protons + neutrons

Simple carbohydrates Answer: Provides quick energy

Lipids Answer: Don't dissolve in water, mostly carbon and hydrogen

Fats and oils Answer: Long term energy storage, insulation, protection

Enzymes Answer: Speed chemical reactions without being consumed

Nucleic acids Answer: Information storage and transfer system for cells

DNA Answer: Made of 4 different subunits: A, C, T, G


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