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CAMPBELL BIOLOGY: CHAPTER 1-7 EXAM STUDY GUIDE QUESTIONS AND ANSWERS
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CAMPBELL BIOLOGY: CHAPTER 1-7 EXAM STUDY GUIDE QUESTIONS AND ANSWERS
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CAMPBELL BIOLOGY: CHAPTER 1-7EXAM STUDY GUIDE QUESTIONS AND
ANSWERS
What are the 7 Properties/Characteristics of Life - Answer-1. Order
2. Regulation
3. Energy Processing
4. Evolutionary Adaptation
5. Response to the Environment
6. Reproduction
7. Growth and Development
Prokaryotic Cells - Answer-Have no nucleus, and lack membrane bound organelles.
Bacteria.
Eukaryotic Cells - Answer-Have a nucleus containing DNA, and also contain membrane
bound organelles. Plants, animals, and fungi.
Domains - Answer-Bacteria, Archaea, Eukarya
Bacteria - Answer-The most diverse and widespread prokaryotes.
Archaea - Answer-Are prokaryotes that often live in earths extreme environment.
Eukarya - Answer-Have eukaryotic cells and include fungi, animals, and plants.
What is a element? - Answer-Is a substance that cannot be broken down into other
substances.
4 elements that make up most of living organisms are - Answer-Oxygen, carbon,
hydrogen, and nitrogen.
What is a compound? - Answer-It is a substance consisting of 2 or more different
elements into a fixed ratio.
What is an atom? - Answer-It is the smallest unit of matter that still retains the properties
of an element.
Protons - Answer-Positive
Electrons - Answer-Negative
Neutrons - Answer-Neutral
, Which out of protons, neutrons, and electrons are involved in a chemical activity? -
Answer-Electrons
What is the electron shell? - Answer-Electrons occur in energy levels, 1st energy shell
holds 2, 2nd energy shell hold 8 and the 3rd holds 8.
What happens to atoms with incomplete outer shells? - Answer-They may react with
other atoms by sharing, donating, and receiving electrons.
What is a covalent bond? - Answer-The strongest kind of chemical bond in which two
atoms share one or more outer shell electrons.
What is a polar covalent bond? - Answer-It is where oxygen attracts the shared
electrons more strongly than hydrogen.
What is an ion? - Answer-It is an atom or molecule with an electrical charge resulting
from gain or loss of electrons.
When an atom is lost... - Answer-A positive charge results.
When an electron is gained... - Answer-A negative charge results.
What is an ionic bond? - Answer-2 ions with opposite charges attract each other.
A solution is... - Answer-A liquid consisting of a uniform mixture of 2 or more
substances.
What is a solvent? - Answer-The dissolving agent,
What is a solute? - Answer-The substance that is dissolved.
What is an aqueous solution? - Answer-is one which the water is the solvent.
A compound that releases hydrogen ions to a solution is a... - Answer-Acid
A compound that accepts H+ is a... - Answer-Base
Acidic is... - Answer-0-6
Basic is... - Answer-8-14
What is acid precipitation? - Answer-Rain, snow, or fog that has a pH lower than 5.2.
CO2 dissolving in sea water lowers ocean pH in a process known as... - Answer-Ocean
acidification
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