Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 6, Problem 16PIAT
SOCIETY Recent studies on humans have shown that trans fats are correlated with heart disease while saturated fats are not. In addition to diet, what other factors should be evaluated before drawing conclusions on the health risk of trans fats?
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Which of the following statements about amino acids is/are incorrect?
1. Standard amino acids are so named because these are the only amino acids there are.
2. Essential amino acids can be synthesized by the organism.
3. All standard amino acids are optically active.
4. Overall, naturally occurring amino acids are equally likely to be found having either an R or S configuration around the alpha carbon.
O 1, 3, and 4
O 1, 2, 3, and 4
1 and 2
O 1, 2, and 3
You are studying Protein A. In the picture below, which location is Protein A MOST likely to move
to, and which location is Protein A LEAST likely to move to?
OC
3
4
Most likely: 1. Least likely: 3
O Most likely: 2. Least likely: 3
O Most likely: 4. Least likely: 2
O Most likely: 3. Least likely: 2
O Most likely: 2. Least likely: 4
O Most likely: 3. Least likely: 1
Protein A
to
2
BIOMOLECULES
1. CARBOHYDRATES
2. LIPIDS
3. PROTEINS
4. NUCLEIC ACIDS
CREATE A CONCEPT TO SHOW THE EFFECTS OF THE BIOMOLECULES IN AN ORGANISM'S BODY
Chapter 6 Solutions
Biological Science (6th Edition)
Ch. 6 - 1. How do the phospholipids in archaea differ from...Ch. 6 - If a solution surrounding a cell is hypertonic...Ch. 6 - Prob. 3TYKCh. 6 - 4. Integral membrane proteins are anchored in...Ch. 6 - 5. Cooking oil lipids consist of long, unsaturated...Ch. 6 - Prob. 6TYUCh. 6 - 7. In terms of structure, how do channel proteins...Ch. 6 - 8. Suppose a cell is placed in a solution with a...Ch. 6 - 9. PROCESS OF SCIENCE In an experiment, you create...Ch. 6 - Prob. 10TYPSS
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- Part 1: For the following statement choose (T) for true and (F) for fal 1. Animals can synthesize proteins from inorganic N present in the air. 2. Proteins have higher molecular mass than carbohydrates and lipids 3. When 2 amino acids combine, the product is called a dipeptide. 4. The structure of human insulin is example of tertiary structure of 5. Hemoglobin is example of a quaternary structure. 6. Enzymes decreases the speed of a reaction 7. Nearly all enzymes are globular proteins. 3. Optimum temperature of the enzyme, is 37°C or body tempera . Vitamins are synthesized in the body. J. vitamin deficiency can generate a number of diseases.arrow_forwardice or game and ce/ paragraph form. tness observed? 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 CYS CYS HIS CYS CYS CYS CYS ASP ASP ASP ASP ASP ASP LYS LYS LYS LYS LYS LEU LEU LEU LEU LEU LEU HIS HIS HIS HIS HIS ASP PRO GLU LEU LEU GLU LEU LEU LEU LEU THR THR GLU HIS VAL VAL VAL VAL VAL LEU Human Chimpanzee Gonla Rhesus monkey Horse Kangaroo LEU LEU LEU LEU LEU SER SER GLU SER SER SER SER HIS ASP ASP ASP ASP PRO GLU PRO GLU PRO PRO ASP PRO THR GLN GLU GLU GLU HIS HIS HIS GLU GLU GLU ALA LYS LYS HIS VAL 102 103 104 105 106 107 108 109 110 111 112 113 116 114 115 Human Chimpanzee Gordia Rhesus monkey ASN PHE PHE PHE PHE PHE PHE ARG ARG LYS LYS ARG LYS LEU LEU LEU LEU LEU LEU LEU LEU GLY GLY GLY GLY GLY GLY ASN ASN ASN ASN ASN ASN VAL LEU LEU LEU LEU LEU ILE VAL VAL VAL VAL ALA CYS CYS CYS CYS LEU ILE VAL VAL VAL VAL VAL CYS LEU LEU LEU LEU VAL LEU HIS HIS HIS HIS ARG GLU ALA ALA ASN ASN ASN ASN ASN VAL VAL VAL VAL LEU LEU LEU LEU ALA ALA ALA ALA Harse Kangaroo ILE VAL Activity adapted…arrow_forwardIn the Bradford protein determination, the color of a dye changes from brown to blue when it binds to a protein. The intensity of blue color (measured by absorbance of light at a wavelength of 595nm) is proportional to protein concentration. Protein (ug) Absorbance at 595nm 0.00 0.466 9.36 0.676 18.72 0.883 28.08 1.086 37.44 1.280 Use Excel to determine the equation of the line put it here in the format of y = mx + b. Start your answer with "y=". Using the calibration curve for the Bradford protein determination in the previous question, determine the number of micrograms of protein in an unknown if it gave an absorbance of 0.973. Report answer to the hundredths place.arrow_forward
- In the Bradford protein determination, the color of a dye changes from brown to blue when it binds to a protein. The intensity of blue color (measured by absorbance of light at a wavelength of 595nm) is proportional to protein concentration. Protein (ug) Absorbance at 595nm 0.00 0.466 9.36 0.676 18.72 0.883 28.08 1.086 37.44 1.280 Use Excel to determine the equation of the line in the format of y = mx + b. (I tried y=0.0218x+0.4706 and it was wrong) Using the calibration curve for the Bradford protein determination in the previous question, determine the number of micrograms of protein in an unknown if it gave an absorbance of 0.973. I tried 23.505 and it was wrongarrow_forwardWhich of the following statements are correct about protein folding (select all that appy)? A. Protein folding is a very slow process with most proteins requiring >30 min to go from unfolded to native conformation B. The mature two-chain form of insulin spontaneously folds into the native conformation C. A sharp transition in the presence of denaturants (See Figue 8.1) suggests the protein folds without intermediates D. Proteins randomly sample each possible conformation before arriving final native state E. Proteins with disulfide bridges tend not follow a simple two-state folding mechanism.arrow_forwardDiscuss the mismatch between amino acid patterns in modern humans and the food they typically consume. What is the cause of this mismatch? Etc.arrow_forward
- 14. Answer and explainarrow_forwardEffects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. In which group was the level of LDL (bad cholesterol) highest?arrow_forwardEffects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. In which group was the level of HDL (good cholesterol) lowest?arrow_forward
- Effects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. Figure 2.23 Effect of diet on lipoprotein levels. Researchers placed 59 men and women on a diet in which 10 percent of their daily energy intake consisted of cis fatty acids, trans fatty acids, or saturated fats. Blood LDL and HDL levels were measured after three weeks on the diet; averaged results are shown in mg/dL (milligrams per deciliter of blood). All subjects were tested on each of the diets. The ratio of LDL to HDL is also shown. Source, Mensink RP, Katan MB, Effect of dietary trans fatty acids on high-density and low-density lipoprotein cholesterol levels in healthy subjects. NEJM 323(7):43945. An elevated risk of heart disease has been correlated with increasing LDL-to-HDL ratios. Rank the three diets according to their predicted effect on cardiovascular health.arrow_forward1. Unsaturated Fats a. have fewer fatty acid molecules per fat molecule than saturated fats. b. are more common in animals than in plants c. are usually solid at room temperature d. have double bonds in the carbon chains of their fatty acids e. are excluded from the lipid bilayer because they are hydrophilic. help with the following, thanksarrow_forwardWhich functional groups of amino acids are involved in the formation of a peptide bond? O The carboxyl groups of both amino acids O The amino groups of both amino acids O The side chains of both amino acids A carboxyl group of one amino acid and the amino group of another A carboxyl group of one amino acid and the side chain of anotherarrow_forward
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