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