Class notes
Biology 181 Notes
- Course
- Biology (BIO181)
- Institution
- Arizona State University
Very well written and direct notes from lecture about biology. Has review questions and clicker questions.
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Some examples from this set of practice questions
1.
Four key characteristics of living organisms
Answer: Complexity Ability to change in response to the environment Ability to reproduce Capacity to evolve
2.
The six core themes that connect the many concepts in life science
Answer: The Scientific Method Life works according to fundamental principles of chemistry and physics Fundamental unit of life is the cell Evolution Ecosystems Humans and evolution
3.
What is the difference between hypothesis and prediction
Answer: Hypothesis: because statement Prediction: if then statement
4.
First law of thermodynamics
Answer: Energy cannot be created nor destroyed
5.
Second law of thermodynamics
Answer: Energy is released as heat; increasing the disorder in the environment
6.
Three characteristics that all cells have
Answer: Store and transmit genetic information Have a plasma membrane Can harness energy
7.
How is genetic information stored and transmitted?
Answer: DNA Central Dogma
8.
What are the functions of membranes in the cell?
Answer: Selectively permeable; controls what goes in and out
9.
Conditions required for natural selection
Answer: Variation in the population Traits have to be inheritable Selective force Differential reproductive success Decent with modification
10.
What is the ultimate source of variation among individuals within a population?
Answer: Environmental variation Genetic variation through mutation
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