Bio
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 does ability to regulate mean?
Maintain a constant internal environment
Common characteristics of organism
Able to regulate, able to respond to environment, processing energy, able to reproduce, able to grow and develop, able to evolve, show order
What are the 3 domains?
Bacteria, Archaea, Eukarya
Domain Eukarya 4 classifications
Plantae, Animalia, Fungi, Protista
What is a hypothesis?
Temporary explanation based upon known info and is testable
What does show order mean?
Organisms are completely organized
What is an Atom?
Smallest unit of an element
What are the 3 subatomic particles?
Protons, Neutrons, Electrons
What 2 subatomic particles are in an atom’s nucleus?
Protons and Neutrons
How do you know the atomic number?
of protons (# of electrons ONLY if the atom is neutral)
What is the mass number/atomic mass?
Protons + Neutrons
What is the unit of mass number?
Dalton (D, Da)
How do organisms process energy?
Make and use ATP
What is an element?
A substance that can’t be easily broken down
What kind of bonding has to do with CHNOPS?
Covalent
What is the top number on an element on the periodic table?
Atomic Number
What is the bottom number on an element on the periodic table?
Mass number or atomic mass
How do you find out how many protons are in an atom?
Atomic number = Number of Protons
How do you find out the mass number of an atom?
Add protons and neutrons together
What is equal to the mass number of an atom?
The atomic mass
What is the key to forming bonds?
Unpaired electrons
How many electrons can fit on the innermost shell?
2 electrons
How many electrons can fit on the outer shells?
8
What is the outermost electron shell called?
Valence shell