Biological Molecules Lab
by Rob Swatski, Associate Professor of Biology at HACC-York Campus (HACC, Central Pennsylvania's Community College) http://robswatski.virb.com/
Terms in this set (34)
A very large organic molecule composed of many smaller molecules
Name the four major types of macromolecules.
Carbohydrates, lipids, proteins, nucleic acids
A single sugar molecule such as glucose or fructose; the simplest type of sugar.
A double sugar molecule made of two monosaccharides bonded together through dehydration synthesis.
A polymer of hundreds to thousands of simple sugars formed by dehydration synthesis.
A group of energy-giving nutrients that include sugars and starches.
What type of carbohydrate is glucose?
What type of carbohydrate is starch?
What type of carbohydrate is sucrose?
What type of carbohydrate is lactose?
What type of carbohydrate is fructose?
What type of carbohydrate is cellulose?
What type of carbohydrate is glycogen?
A chemical reaction that breaks bonds between two molecules by the addition of water.
A solution that turns orange/red in the presence of glucose and other monosaccharides.
What was the negative control used in all of the experiments in this lab?
A solution that turns dark violet in the presence of starch and other polysaccharides.
An energy-rich organic molecule, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
We used this qualitative test in lab to indicate the presence of lipids in various substances.
An organic molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body.
Building blocks of proteins.
A solution that turns dark purple in the presence of proteins.
What protein did we use in lab?
Which type of pipet accurately measures amounts in microns (uL)?
Which type of pipet measures both mL and uL, but not accurately?
Which category of macromolecule includes DNA and RNA?
This receives a treatment or test with a known result. The result is usually what researchers expect from the treatment, so it gives them something to compare.
Type of control variable that produces no change from the normal state in the biological subject.
A chemical reagent that changes color in the presence of the substance it is testing for.
This is another name for the iodine reagent.
The loss of electrons from a substance involved in a redox reaction.
The gain of electrons by a substance involved in a redox reaction.
A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule.
A portion of a well-mixed sample removed for testing.
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