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Exam (elaborations)

Biology 1100 exam 1 with Complete Solutions

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  • BIO 1100
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  • BIO 1100

Biology 1100 exam 1 with Complete Solutions

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  • September 21, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 1100
  • BIO 1100
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CLOUND
Biology 1100 exam 1 with Complete Solutions
Characteristics of living organisms - ANSWER-Composed of one or more cell,
reproduce using DNA, obtain energy from their environment, sense their environment
and respond to it, maintain a constant internal environment, can evolve as groups, living

What is a hypothesis - ANSWER-An informed explanation for observations of the
natural world

Independent variable - ANSWER-Single variable that is manipulated

Dependent variable - ANSWER-A variable that could respond to to the changes in the
independent variable

Element - ANSWER-Is a pure substance composed of atoms and cannot be broken
down into anything else's

Chemical reaction - ANSWER-Bonds between atoms are formed or broken

What element is found in organic molecules - ANSWER-

What are three types of chemical bonds? - ANSWER-Covalent, ionic, and hydrogen
Attach atoms to one another

Solute - ANSWER-A dissolved substance

Solvent - ANSWER-The fluid into which the solute has dissolved.

what does the Ph scale measure? - ANSWER-Hydrogen ion concentration

Polar molecule - ANSWER-A molecule whose electrical charge is shared unevenly, with
some regions being electrically negative and others electrically positive

Macromolecules - ANSWER-Organic molecules protein, carbohydrates, lipids, nucleic
acids

What are the specific monomers used to build macromolecules - ANSWER-Protein
carbohydrates and nucleic acids are polymers long strands of repeating units of small
molecules called
Monomers

What are the parts of cell theory - ANSWER-All living things are composed of one or
more cells, and that all cells living today came from pre existing cells

What is plasma membrane - ANSWER-Every cell is surrounded by plasma membrane

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