Nature of Science
Nature of Science Pt. 2
Chemistry of Life
Macromolecules
Macromolecules Pt. 2
100

An objective, verifiable observation. 

Fact

100

A statement based on repeated experimental observation that describes an aspect of the world.  

Principle

100

Anything that has mass and occupies space

Matter

100

Larger more complex structures made of monomers

Polymer

100

Where are lipids found? 

Oils, fats, phospholids 

200
  • An explanation of an observed phenomenon

  • Organizes facts and research from scientists to explain WHY

Theory

200
  • Broad concept or principle (HOW)

Law

200

Molecule made of 2 atoms of hydrogen covalently bonded to 1 atom of oxygen

Water

200
  • Breaks big polymers into smaller monomers

Hydrolysis

200

What is the main function of nucleic acids? 

Store information on making proteins

300
  • A guess about an object or outcome based on your observations

Inference 

300
  • Description of something you can see, smell, touch, taste, hear

Observation 

300
  • Does not have an affinity for water

  • Water “fearing”

  • Does NOT dissolve in water

Hydrophobic 

300

Monomer of carbs

Monosacchirides 

300

Which elements compose proteins? 

Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur 

400
  • What the experimenter will deliberately change or manipulate in the investigation

Independent Variable

400

Describes qualities

Qualititaive observation 

400

Tendency of molecules of the SAME “kind” to stick together

Cohesion

400

Which two macromolecules are only composed of carbon, hydrogen, and oxygen 

Carbs and Lipids

400

How many calories/gram do you receive from nucleic acid?

ZERO

500

This variable is represented by the y-axis of a graph

Dependent variable

500

How close your measurement is to the correct/accepted value

Accurate

500

Water property that helps to regulate cell temperatures in organisms.

High specific heat

500

What is a phospholipid made of? 

Phosphate group (hydrophilic) and two fatty acid tails (hydrophobic) 

500

How many calories/gram for lipids? 

9 cal/g

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