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JCJC Principles of Biology Lecture Exam 1 Study Guide| questions and Answers | Verified and of the Latest update $12.49   Add to cart

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JCJC Principles of Biology Lecture Exam 1 Study Guide| questions and Answers | Verified and of the Latest update

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JCJC Principles of Biology Lecture Exam 1 Study Guide| questions and Answers | Verified and of the Latest update

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JCJC Principles of Biology Lecture Exam 1 Study
Guide| questions and Answers | Verified and of
the Latest update
What is taxonomy? - ✔✔The branch of biology that identifies, names, and classifies
living things.



The dynamics of an ecosystem depend upon what two processes? - ✔✔The cycling of
chemicals (nutrients) and the flow of energy



What is the molecule that is the genetic material for all known organisms? - ✔✔DNA



What levels of biological organization - ✔✔a. Tissue
b. Organism
c. Community
d. Ecosystem
e. Population


What type of energy is always released from any energy conversion process? -
✔✔Heat



How many species of organisms have been identified? - ✔✔About 2 million



What is the scientific name? - ✔✔A two-part name consisting of the Genus and the
Species levels of classification



List the 3 subatomic materials - ✔✔a) Proton

, b) Neutron
c) Electron


Which subatomic particle determines the chemical properties of an atom? -
✔✔Electron


Which subatomic particle has a negative charge? Which has a positive charge? -
✔✔Electron; Proton



What does the term "matter" refer to? - ✔✔Anything that occupies space and has
mass



How many chemical elements are naturally occurring? - ✔✔92


Which 4 elements make up about 96% of the mass of the human body? Which one of
the 4 makes most of the mass? - ✔✔Hydrogen, Carbon, Oxygen, and Nitrogen;
Oxygen


Electron number is always equal to the number of which subatomic particles? -
✔✔Proton



Proton number determines the element and is also called - ✔✔The Atomic Number



Mass number is equal to the number of - ✔✔Protons + Neutrons



A pH of 5 is a/an___pH; whereas, a pH of 11 is a/an___pH - ✔✔Acidic; Basic (alkaline)

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