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Course
Introductory Biology
Study Pack
Biology Today
Course
Introductory Biology
Study Pack
Set 1: Invitation to Biology
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Set 2: Molecules of Life
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Set 3: Cell Structure
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Set 4: Energy and Metabolism
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Set 5: Photosynthesis
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Set 6: Releasing Chemical Energy
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Set 7: Dna Structure and Function
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Set 8: Gene Expression and Control
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Set 9: How Cells Reproduce
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Set 10: Patterns of Inheritance
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Set 11: Biotechnology
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Set 12: Evidence of Evolution
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Set 13: Processes of Evolution
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Set 14: Prokaryotes, Protists, and Viruses
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Set 15: Plants and Fungi
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Set 16: Animal Evolution
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Set 17: Population Ecology
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Set 18: Communities and Ecosystems
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Set 19: The Biosphere and Human Effects
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Set 20: Animal Tissues and Organs
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Set 21: How Animals Move
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Set 22: Circulation and Respiration
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Set 23: Immunity
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Set 24: Digestion and Excretion
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Set 25: Neural Control and the Senses
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Set 26: Endocrine Control
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Set 27: Animal Reproduction and Development
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Set 28: Plant Form and Function
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Set 29: Life Cycles of Flowering Plants
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Set 8 Gene Expression And Control
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Set 8 Gene Expression And Control
Question 1
(Multiple Choice)
Free
Which of the following adds RNA nucleotides, one at a time, during transcription?
A) RNA polymerase
B) DNA polymerase
C) RNA nuclease
D) transfer RNA
E) ribosomal RNA
Answer
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Question 2
(Multiple Choice)
Free
The toxicity of ricin has been known since ____.
A) 1588
B) 1688
C) 1788
D) 1888
E) 1988
Answer
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Question 3
(Multiple Choice)
Free
Ricin inactivates _____.
A) proteins
B) ribosomes
C) DNA
D) transcription factors
E) mRNA
Answer
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