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SLCC BIOL 1610 Karren - Exam 1 Questions With Complete Solutions
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SLCC BIOL 1610 Karren - Exam 1 Questions With Complete Solutions What is Evolutionary Adaptation? All organisms interact with other organisms and the nonliving environment in ways that influence their survival and as a consequence organisms evolve adaptations to their environment. The "exper...

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  • October 13, 2024
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SLCC BIOL 1610 Karren - Exam 1
Questions With Complete Solutions

What is Evolutionary Adaptation? All organisms interact with other organisms and the

nonliving environment in ways that influence their survival and as a consequence organisms

evolve adaptations to their environment.




The "experiment" part of the scientific method consists of what? 1) Testing the hypothesis


2) Only testing one variable at a time

3) Has a test experiment and a control experiment




What is a Scientific Theory? A body of interconnected concepts that is supported by much

experimental evidence and scientific reasoning. Not a guess.




What are the three elements of "Cell Theory?" 1) All organisms are composed of cells


2) Cells are the basic unit of all living organisms

3) All cells come from preexisting cells




What does DNA stand for? Deoxyribonucleic acid

, SLCC BIOL 1610 Karren - Exam 1
Questions With Complete Solutions
How many nucleotides encode a cell's information? 4 (four)




What is a Gene? A discrete unit of information




What is a Genome? An entire set of DNA instructions




How does DNA help sustain the continuity of life? The continuity of life depends on DNA

faithfully copying itself into daughter cells




What three things are atoms composed of? Protons


Neutrons

Electrons




Protons have what charge and are located where? Protons have a POSITIVE charge and

are located in the NUCLEUS




Neutrons have what charge and are located where? Neutrons have a NEUTRAL charge

and are located in the NUCLEUS

, SLCC BIOL 1610 Karren - Exam 1
Questions With Complete Solutions

Electrons have what charge and are located where? Electrons have a NEGATIVE charge

and are located in ORBITALS surrounding the nucleus




What is Atomic Mass? Atomic Mass is the AMOUNT of the element


SUM OF PROTONS + NEUTRONS




What is Atomic Weight? Atomic Weight is the FORCE OF GRAVITY exerted on the

element




Each Proton and Neutron have a mass of approximately what? 1 AMU or Dalton




Neutral atoms have the same number of protons and what? Electrons




What are charged atoms called? Ions




What is a positively charged ion called? A Cation

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