Bio Exam 1
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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What is the difference between a theory and a law?
A theory explains why something happens and a law describes what happens when certain conditions are present.
What is the difference between Lysosomes and Peroxisomes?
Lysosomes kill and disinfect, peroxisomes carry out oxidative reactions using molecular oxygen.
What is the difference between a theory, law and hypothesis?
Hypothesis is a tentative explanation for what was observed, Theory is concepts that join together two or more thorough hypotheses, Law is widely excepted set of theories.
What are the 3 domains?
• Domain Archaea • Domain Bacteria • Domain Eukarya
Domain Archaea
Contain unicellular prokaryotes, live in extreme environments
Domain Bacteria
Contains unicellular prokaryotes live in environments like skin in our mouths and intestines.
Domain Eukarya
Contain unicellular and multicellular eukaryotes
Prokaryotes are not……..
Domains
Goes through all aspects of the experiment but is not exposed to the experimental variable
Control Group
What is a PH of 4
Acid
What is a PH of 7
Neutral
What is a PH of 9
Base
All organic molecules contain what?
Carbon and Hydrogen atoms
What is the basic unit of all life?
Cells
What is the difference between glycogen and starch?
Starch: Provides energy storage in plants Glycogen: Provides energy storage in animals
What is the difference between a population and an ecosystem?
Population: All members of a species within an area Ecosystem: Community plus its physical environment
………… is the maintenance of internal conditions within certain boundries
Homeostasis
What is the permanent loss of species called?
Extinction
What is the order of hierarchy?
Molecules Cells Tissue Organs Organisms Population Ecosystem
Water repelling is…
Hydrophobic
water loving is…
Hydrophilic
Mutations lead to……
Natural selection
natural selection leads to…..
Evolution
What is the building block for proteins
Amino Acids