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FREE AND STUDY GAMES ABOUT PHYS FINAL STUDY
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Unsaturated fats:
Answer:
Will kink or bend because of the double bonds between the carbon atoms.Question 2: DNA:
Answer:
Is a double-helix strand of nucleotides.Question 3: All of the following substances are organic except:
Answer:
Electrolytes.Question 4: A structural lipid found in the cell membrane is a:
Answer:
Triglyceride.Steroid.
Question 5: Which energy-releasing or energy-transferring molecule does not contain a nucleotide?
Answer:
Creatine phosphate.Question 6: What is the most important factor in determining the physical and chemical properties of fatty acids?
Answer:
Degree of saturation
Question 7: Which of the following is not true of carbohydrates?
Answer:
They include substances commonly called sugars.
They are the body's primary source of energy.
They are a part of both DNA and RNA.
Question 8: The alpha helix is an example of which level of protein structure?
Answer:
Secondary.Question 9: Prostaglandins and steroids share which of the following characteristics?
Answer:
Both have a ring structure in their molecule.
Question 10: Which lipid acts as a "tissue hormone"?
Answer:
Prostaglandin.Question 11: Peptide bonds join together molecules of:
Answer:
Amino Acids.
Question 12: The formation of sucrose involves the removal of a molecule of water. This is
called:
Answer:
Dehydration synthesis.Question 13: Amino acids frequently become joined by:
Answer:
Peptide bonds.Question 14: Which of the following is not true of both triglycerides and phospholipids?
Answer:
They both contain a hydrophilic end.Question 15: The element that is present in all proteins but not in carbohydrates is:
Answer:
Nitrogen.Question 16: When two molecules of glucose are joined, they form which disaccharide?
Answer:
Maltose Question 17: Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must
be included in the diet, are called:
Answer:
Essential amino acids.
Question 18: Which of the following is not true of RNA?
Answer:
It contains ribose sugar.
It contains adenine.
It is composed of smaller molecules called nucleotides.
Question 19: The basic building blocks of fats are:
Answer:
Fatty acids and glycerol.Question 20: Sometimes referred to as animal starch, _____ is the main polysaccharide in the body.
Answer:
Glycogen.Question 21: The types of lipids found that form hormones, such as cortisone, estrogen, and
testosterone are:
Answer:
Steroids.Question 22: The type of lipoprotein associated with "bad" cholesterol and the production of
atherosclerotic changes in blood vessels is:
Answer:
LDL.
Question 23: Which lipid is part of vitamin D?
Answer:
Steroids Question 24: Which level of protein structure refers to the number, kind, and sequence of amino acids?
Answer:
Primary.
Question 25: The roles played by proteins can be divided into which categories?
Answer:
Structural and functional.Question 26: If one side of a DNA molecule is CTAGGCTG, the other side would be:
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