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Human Bio Quiz Biochemistry and Biomolecules 1. Which of the following is NOT a basic component of an animo acid? a. R-group b. Amino Group c. Carboxyl d. Glycerol 2. What is saturation limit in terms of enzyme catalysts? a. An ion the must bond to an enzyme b. The substrate concentration required to have the maximum rate of reaction c. The reactants in enzymatic reactions d. A reaction that can only have one type of substrate molecule 3. What percent of body mass do the four most abundant elements make up? a. 97% b. 92% c. 66% d. 42% 4. What are the four main elements in the body? a. Proteins, lipids, carbohydrate, nucleic acid b. Helium, carbon, nitrogen, oxygen c. Carbon, Oxygen, hydrogen, nitrogen d. Oxygen, nitrogen, helium, sodium 5. If each carbon atom in the hydrocarbon tail has four single covalent bonds, it would be said to be… a. Unsaturated b. Resaturated c. Polyunsaturated d. Saturated 6. Weak polar bonds based on electrons make… a. Ionic b. Compounds c. Hydrogen bonds d. Both b and c 7. Which is not a classification of lipid? a. Disaccharide b. Glycolipids c. Steroids d. Eicosanoids 8. What do peptide bonds combine? a. Monosaccharides b. Amino Acids c. Nucleotides d. Hydrocarbons 9. How much water is part of total body weight? a. 3/4 b. 1/2 c. 2/3 d. 7/8 10. What is a valence shell? a. Outermost shell of electrons b. Innermost shell of electrons c. Shell surrounding the entire molecule d. Shell that holds the proton and neutrons in place 11. Which of the following is the chemical reaction for synthesis? a. AB -> A+B b. A+B->AB c. AB+C->AC+B d. AB+CD->AD+BC 12. A polysaccharide that has many side branches, all consisting of chains of glucose molecules are called a… a. Glycerides b. Carboxyl chains c. Glycogen d. Saturated carbon chains 13. Which is the definition of solvent? a. Uniform mixture of two or more substances b. Another way to say ‘solution’ c. A substance dissolved in water d. Medium in which atoms are dissolved in 14. Which is connected to the characteristics of the surface tension in water? a. Ionic bonds b. London dispersion c. Hydrogen bonds d. Covalent bond 15. Guanine bond to a. Cytosine b. Thymine c. Uracil d. Both B and C 16. Ions or molecules that must bind to the enzyme before substrates can also bind are called… a. Cofactors b. Coenzymes c. Glycoprotiens d. Proteoglycans 17. pH is measure of… a. The hydrocarbon (CH3) concentration in a solution b. The hydroxide ion (OH-) concentration in a solution c. The ammonium ion (NH2+) concentration in a solution d. The hydronium ion (H+) concentration in a solution 18. Fatty acids have a long hydrocarbon tail with a(n)… a. Carboxylic acid group at one end b. A casbohydride at the tip c. Amino acid in the middle d. Purine bridge 19. List the bonds type from strongest to weakest a. Hydrogen, peptide, ionic b. Covalent, Ionic, Hydrogens c. Ionic, peptide, covalent d. Hydrogen, Covalent, Ionic 20. Glucose and fructose are both examples of… a. Disacharides b. Polyacharides c. Monosacharides d. All of the above 21. Cholesterol is classified as a(n) a. Micelle b. Protein c. Enzyme d. Steroid 22. A protein catalyzed a specific biochemical reaction is a… a. Amino Acid b. Glycoprotein c. Proteoglycans d. Enzyme 23. What the parts of single nucleotides? a. Adenine, guanine, thymine, uracil b. Sugar, phosphate, nitrogenous bases c. mRNA, tRNA, bRNA d. purine, tRNA, and nitrogenous bases 24. Dehydration a. Addition of a water molecule to a bond molecules b. Joins to molecules by adding water molecules c. Jointing two molecules by adding a water molecule d. Separating water into H= and OH- ions 25. Which of the following is an example of primary structure? a. Alpha-Sheet b. Alpha-Helix c. Beta-Bands d. Beta-Pleats 26. Which of the following are not pyrimidines? a. Cytosine b. Adenine c. Guanine d. Both B and C 27. What is denaturation? a. Carbohydrates b. Substrates being broken down c. Proteins losing their structure from external loss d. Nucleic acids breaking down to make a new structure 28. What is covalent bonding? a. Collecting electrons to increase electro-negativity b. Giving up electrons c. Sharing electrons d. Bonding that involves no electrons 29. What is the difference between DNA and RNA? a. DNA is used for animals, RNA is used for plants b. DNA is double stranded, RNA is single stranded c. DNA has the amino acids adenine, thymine, guanine, and cytosine, while RNA has all of them except uracil replaces thymine d. Both B and C 30. The pH of human blood is… a. 0.0 b. 3.8 c. 7.8 d. 10.0 1. Which of the following is NOT a basic component of an animo acid? a. R-group b. Amino Group c. Carboxyl d. Glycerol 2. What is saturation limit in terms of enzyme catalysts? a. An ion the must bond to an enzyme b. The substrate concentration required to have the maximum rate of reaction c. The reactants in enzymatic reactions d. A reaction that can only have one type of substrate molecule 3. What percent of body mass do the four most abundant elements make up? a. 97% b. 92% c. 66% d. 42% 4. What are the four main elements in the body? a. Proteins, lipids, carbohydrate, nucleic acid b. Helium, carbon, nitrogen, oxygen c. Carbon, Oxygen, hydrogen, nitrogen d. Oxygen, nitrogen, helium, sodium 5. If each carbon atom in the hydrocarbon tail has four single covalent bonds, it would be said to be… a. Unsaturated b. Resaturated c. Polyunsaturated d. Saturated 6. Weak polar bonds based on electrons make… a. Ionic b. Compounds c. Hydrogen bonds d. Both b and c 7. Which is not a classification of lipid? a. Disaccharide b. Glycolipids c. Steroids d. Eicosanoids 8. What do peptide bonds combine? a. Monosaccharides b. Amino Acids c. Nucleotides d. Hydrocarbons 9. How much water is part of total body weight? a. 3/4 b. 1/2 c. 2/3 d. 7/8 10. What is a valence shell? a. Outermost shell of electrons b. Innermost shell of electrons c. Shell surrounding the entire molecule d. Shell that holds the proton and neutrons in place 11. Which of the following is the chemical reaction for synthesis? a. AB -> A+B b. A+B->AB c. AB+C->AC+B d. AB+CD->AD+BC 12. A polysaccharide that has many side branches, all consisting of chains of glucose molecules are called a… a. Glycerides b. Carboxyl chains c. Glycogen d. Saturated carbon chains 13. Which is the definition of solvent? a. Uniform mixture of two or more substances b. Another way to say ‘solution’ c. A substance dissolved in water d. Medium in which atoms are dissolved in 14. Which is connected to the characteristics of the surface tension in water? a. Ionic bonds b. London dispersion c. Hydrogen bonds d. Covalent bond 15. Guanine bond to a. Cytosine b. Thymine c. Uracil d. Both B and C 16. Ions or molecules that must bind to the enzyme before substrates can also bind are called… a. Cofactors b. Coenzymes c. Glycoprotiens d. Proteoglycans 17. pH is measure of… a. The hydrocarbon (CH3) concentration in a solution b. The hydroxide ion (OH-) concentration in a solution c. The ammonium ion (NH2+) concentration in a solution d. The hydronium ion (H+) concentration in a solution 18. Fatty acids have a long hydrocarbon tail with a(n)… a. Carboxylic acid group at one end b. A casbohydride at the tip c. Amino acid in the middle d. Purine bridge 19. List the bonds type from strongest to weakest a. Hydrogen, peptide, ionic b. Covalent, Ionic, Hydrogens c. Ionic, peptide, covalent d. Hydrogen, Covalent, Ionic 20. Glucose and fructose are both examples of… a. Disacharides b. Polyacharides c. Monosacharides d. All of the above 21. Cholesterol is classified as a(n) a. Micelle b. Protein c. Enzyme d. Steroid 22. A protein catalyzed a specific biochemical reaction is a… a. Amino Acid b. Glycoprotein c. Proteoglycans d. Enzyme 23. What the parts of single nucleotides? a. Adenine, guanine, thymine, uracil b. Sugar, phosphate, nitrogenous bases c. mRNA, tRNA, bRNA d. purine, tRNA, and nitrogenous bases 24. Dehydration a. Addition of a water molecule to a bond molecules b. Joins to molecules by adding water molecules c. Jointing two molecules by adding a water molecule d. Separating water into H= and OH- ions 25. Which of the following is an example of primary structure? a. Alpha-Sheet b. Alpha-Helix c. Beta-Bands d. Beta-Pleats 26. Which of the following are not pyrimidines? a. Cytosine b. Adenine c. Guanine d. Both B and C 27. What is denaturation? a. Carbohydrates b. Substrates being broken down c. Proteins losing their structure from external loss d. Nucleic acids breaking down to make a new structure 28. What is covalent bonding? a. Collecting electrons to increase electro-negativity b. Giving up electrons c. Sharing electrons d. Bonding that involves no electrons 29. What is the difference between DNA and RNA? a. DNA is used for animals, RNA is used for plants b. DNA is double stranded, RNA is single stranded c. DNA has the amino acids adenine, thymine, guanine, and cytosine, while RNA has all of them except uracil replaces thymine d. Both B and C 30. The pH of human blood is… a. 0.0 b. 3.8 c. 7.8 d. 10.0
