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Course
Introductory Biology
Study Pack
Biology Exploring
Course
Introductory Biology
Study Pack
Set 1: Light and Life
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Set 2: The Cell: an Overview
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Set 3: Energy and Enzymes
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Set 4: Cell Membranes and Signaling
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Set 5: Cellular Respiration
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Set 6: Photosynthesis
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Set 7: Cell Cycles
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Set 8: Genetic Recombination
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Set 9: The Chromosomal Basis of Mendelian Inheritance
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Set 10: Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms
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Set 11: DNA Structure, Replication, and Repair
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Set 12: Gene Structure Expression, and Mutation
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Set 13: Regulation of Gene Expression
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Set 14: Dna Technologies
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Set 15: Genomes
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Set 16: Evolution: the Development of the Theory
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Set 17: Microevolution: Changes Within Populations
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Set 18: Speciation and Macroevolution
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Set 19: Systematics and Phylogenetics: Revealing the Tree of Life
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Set 20: Humans and Evolution
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Set 21: Defining Life and Its Origins
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Set 22: Viruses, Viroids, and Prions: Infectious Biological Particles
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Set 23: Bacteria and Archaea
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Set 24: Protists
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Set 25: Fungi
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Set 26: Plants
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Set 27: Animals
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Set 28: Conservation of Biodiversity
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Set 29: Population Ecology
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Set 30: Species Interactions and Community Ecology
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Set 31: Ecosystems
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Set 32: Animal Behaviour
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Set 33: Organization of the Plant Body
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Set 34: Transport in Plants
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Set 35: Reproduction and Development in Flowering Plants
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Set 36: Plant Nutrition
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Set 37: Plant Signals and Responses to the Environment
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Set 38: Introduction to Animal Organization and Physiology
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Set 39: Animal Nutrition
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Set 40: Gas Exchange: the Respiratory System
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Set 41: Internal Transport: the Circulatory System
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Set 42: Regulation of the Internal Environment: Water, Solutes, and Temperature
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Set 43: Control of Animal Processes: Endocrine Control
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Set 44: Animal Reproduction
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Set 45: Control of Animal Processes: Neural Control
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Set 46: Muscles, Skeletons, and Body Movements
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Set 45 Control Of Animal Processes Neural Control
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Set 45 Control Of Animal Processes Neural Control
Question 1
(Multiple Choice)
Free
What organic macromolecules allow myelinated sheaths to act as electrical insulators?
A) proteins
B) lipids
C) carbohydrates
D) nucleic acids
Answer
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Question 2
(Multiple Choice)
Free
What happens to a neuron's membrane when its membrane potential becomes less negative?
A) It becomes depolarized.
B) It becomes hyperpolarized.
C) It becomes hypopolarized.
D) It becomes repolarized.
Answer
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Question 3
(Multiple Choice)
Free
Which of the following can be found in higher concentrations on the outside of a neuron's plasma membrane relative to the inside?
A) Ca
2+
B) Na
+
C) K
+
D) anions
Answer
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