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Phys Final Study

Prep For Final

QuestionAnswer
A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons. Free radical.
A structural lipid found in the cell membrane is a: Triglyceride. Steroid.
The alpha helix is an example of which level of protein structure? Secondary.
All of the following substances are organic except: Electrolytes.
The roles played by proteins can be divided into which categories? Structural and functional.
Which level of protein structure refers to the number, kind, and sequence of amino acids? Primary.
The element that is present in all proteins but not in carbohydrates is: Nitrogen.
Sometimes referred to as animal starch, _____ is the main polysaccharide in the body. Glycogen.
Prostaglandins and steroids share which of the following characteristics? Both have a ring structure in their molecule.
Amino acids frequently become joined by: Peptide bonds.
Which of the following is not true of carbohydrates? They include substances commonly called sugars. They are the body’s primary source of energy. They are a part of both DNA and RNA.
Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be included in the diet, are called: Essential amino acids.
The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component. Carbohydrate and protein; protein
What is the most important factor in determining the physical and chemical properties of fatty acids? Degree of saturation
Which of the following is not true of RNA? It contains ribose sugar. It contains adenine. It is composed of smaller molecules called nucleotides.
The basic building blocks of fats are: Fatty acids and glycerol.
When two molecules of glucose are joined, they form which disaccharide? Maltose
The formation of sucrose involves the removal of a molecule of water. This is called: Dehydration synthesis.
Which lipid acts as a “tissue hormone”? Prostaglandin.
DNA: Is a double-helix strand of nucleotides.
The type of lipoprotein associated with “bad” cholesterol and the production of atherosclerotic changes in blood vessels is: LDL.
Peptide bonds join together molecules of: Amino Acids.
The amino group in an amino acid is: NH3+
Which lipid is part of vitamin D? Steroids
The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: Steroids.
If one side of a DNA molecule is CTAGGCTG, the other side would be: GATCCGAC.
Which energy-releasing or energy-transferring molecule does not contain a nucleotide? Creatine phosphate.
Which of the following is not one of the major groups of organic substances in the human body? Salts.
Which of the following is not true of both triglycerides and phospholipids? They both contain a hydrophilic end.
Unsaturated fats: Will kink or bend because of the double bonds between the carbon atoms.
Created by: K.Curtis
 

 



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