FINAL EXAM Bio 121- Chapter 3 Questions With Correct Verified Answers 100% Pass

4 - correct answers A single carbon atom can form a maximum of ________ covalent bond(s). organic compound - correct answers The following molecule is best described as a(n) ________. CH3-CH2-CH2-CH2 dehydration - correct answers What name is given to the following reaction? galactose + glucose → lactose + water hydrolysis - correct answers What name is given to the following reaction? sucrose + water → glucose + fructose lactase - correct answers People with lactose intolerance do not have enough ______. OH - correct answers ______ is a hydroxyl group. monomer - correct answers In the following reaction, galactose is a ______. galactose + glucose → lactose + water nucleotide - correct answers Nucleic acids are polymers of ________ monomers. gene - correct answers A specific stretch of DNA that programs the amino acid sequence of a polypeptide is a ________. thymine, guanine, adenine, and cytosine - correct answers DNA nucleotides include ________. The amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of cytosine. - correct answers Which of the following is TRUE with regard to a DNA molecule? TCATGAC - correct answers If one strand of a DNA double helix has the sequence AGTACTG, what will be the sequence of the other strand? RNA contains uracil; DNA contains thymine. - correct answers How does RNA differ from DNA? C, H, and O atoms - correct answers Carbohydrates typically include ________. sucrose, a disaccharide - correct answers Table sugar is ________. hydrophobic substance - correct answers Sometimes when I have my morning coffee, which I drink black with no cream or sugar, I notice a thin film floating on top of the coffee. Since I have just read Chapter 3 of the text, I now realize the nature of this substance and so I run to my friend screaming, "Look at this ________ in my coffee!" dehydration - correct answers What name is given to the following reaction? glycerol + 3 fatty acids → triglyceride + 3 water molecules increased risk of heart attack - correct answers Which of the following is a health effect of a diet high in saturated fats? a central carbon, a hydrogen atom, an amino group, and a carboxyl group - correct answers Amino acids include a side group as well as ________. hydrolysis - correct answers What is the name given to the reaction that breaks peptide bonds? shape - correct answers A protein's function is most dependent on its ________. The bacterial protein functioned normally, whereas the human protein did not. - correct answers Extremophilic bacteria are able to survive in hostile environments, including scalding hot water as well as springs and vents that reach temperatures over 100°C. Researchers studying these bacteria measured the function of a protein from an extremophile bacterium at 100°C, and they also measured the function of a similar protein from a human cell at 100°C. Which of the following results do you think the researchers obtained? AGUUCAACU - correct answers A DNA molecule has the sequence AGTTCAACT. The equivalent RNA molecule would have the sequence ________. cultures that keep dairy herds - correct answers The ability to tolerate lactose throughout life most likely arose in ________. glucose and fructose - correct answers Which of the following are isomers? disaccharide - correct answers Complete the equation: monosaccharide + monosaccharide → ______ + water disaccharide - correct answers In the following equation, lactose is a ______. galactose + glucose → lactose + water polysaccharides - correct answers For good health, it is important to include ______ in our diets. starch - correct answers Which of the following is an example of a polysaccharide? glycogen - correct answers Animals store carbohydrates as ______. fiber - correct answers Cellulose is an example of ______. cellulose - correct answers Which of the following is hydrophilic? fat - correct answers A glycerol with three fatty acids attached is referred to as a ______. hydrogen - correct answers Saturated fats are saturated with ______. unsaturated - correct answers By definition, what type of fatty acid has double bonds? beef - correct answers Which of the following is lowest in unsaturated fats? more solid - correct answers A fat that is hydrogenated is ______. Estrogen - correct answers ______ is a steroid. an anabolic steroid - correct answers A friend of yours appears to have put on a lot of muscle very quickly. At the same time, you notice that your friend seems to have a lot of mood swings and appears depressed. It is reasonable for you to suspect that your friend has begun to take ______. proteins - correct answers Enzymes are ______.