Homework Answers
1) pH of the lemon juice is between 2 and 3, which is a low pH (acidic) due to the presence of citric acid, so the answer is false.
2) Protons and neutons reside in the nucleus, the electrons orbit the nucleus. So, the answer is Electrons.
3) Molecules that are attracted to water are called hydrophillic. Hydro - water, phillic - loving, which literally translates to waterloving.
4) The ability of an organism to maintain a stable equillibrium is called Homeostasis. Regulation of glucose in the body to remain constant is an example of homeostasis.
5) Ionic bonding occurs when two atoms are held together.
6) Human sex hormones are examples of steroids.
7) Nacl is an ionic compound and they have ionic bond.
8) Lipids do not dissolve in water, as they are hydrophobic. The answer is dissolves lipids.
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Lemon juice has a high pH. A. True B. False Which subatomic particle(s) orbit the nucleus?...
AJ by oxygen Donas Bjoy nyarogen bonas ionic bonds D) by nonpolar covalent bonds Coy E)...
AJ by oxygen Donas Bjoy nyarogen bonas ionic bonds D) by nonpolar covalent bonds Coy E) by isotopes 29) Which answer below best describes H,0? A) Water molecule bonds are ionic bonds, in which electrons are gained and lost to create the bond. B) Water molecule bonds are oxygen bonds, in which oxygen atoms form bonds together. C) Water molecule bonds are polar covalent bonds, in which unequal sharing of electrons occurs. D) Water molecule bonds are nonpolar covalent bonds,...
20. Word bank: Hydrophili Triacylglycerols Fatty acids Hydrophobic Amylopectin Phospholipids Glucose can form large polymers that...
20. Word bank: Hydrophili Triacylglycerols Fatty acids Hydrophobic Amylopectin Phospholipids Glucose can form large polymers that are held together by Animals store glucose in long, branched polymers called glucose in long, linear polymers called called the enzyme for degrading Steroids Hydrophilic Cholesterol Cellulose Glycoproteins bonds. Plants store or as branched polymers Animals can digest these polysaccharides, but most lack which serves as dietary fiber Lipids are be stored or broken down for energy down to produce energy. Lipids are stored...
12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids...
12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids. D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism. E) transamination 14) Which of the following does not require energy from ATP hydrolysis? A) digestion B) synthesis of an...
Which is not true about soaps? A. A soap has a hydrophobic end. B. A soap...
Which is not true about soaps? A. A soap has a hydrophobic end. B. A soap has a hydrophilic end. C. A soap forms hydrogen bonds with water. D. A soap is an ionic compound.
Which type of bond is the weakest bond between two atoms
21) Which type of bond is the weakest bond between two atoms:A) ionic bondB) covalent bondD) nonpolar bondE) hydrogen bond22) Look at the reaction below, fill in the blank with the correct number in order to balance the reaction:\(6 \mathrm{CO} 2+6 \mathrm{H} 2 \mathrm{O} \rightarrow \mathrm{C} 6 \mathrm{H} 1206+\)A) 2B) 4C) 60223) Which of the following statements below concerning water is not correct?A) composed of polar molecules.B) responsible for most of the mass of humansC) with low heat capacity:D) may...
1. Which of the following is not one of the four(4) macromolecules.
1. Which of the following is not one of the four(4) macromolecules.a. Carbohydratesb. Lipidsc. Nudelc acidsd. Nope of the above2. A common characteristic of organic molecules versus inorganic molecules is: a. Usually involve ionic bondingb. Always contain a small number of atomsc. Always contain carbon and hydrogend. often associated with nonliving matte 3. Splitting of a bond by adding water refers to:a. A hydrolysis reactionb. A dehydration synthesis reactionc. Acid-base reactiond. All of the above4. The class of molecules that includes monosaccharides,...
identify your answer. (2 pts ea) 12) Which statement is NOT true? A) There are many different types of lipids. B)...
identify your answer. (2 pts ea) 12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism E) transamination. 14) Which of the following does not require energy from ATP hydrolysis?...
21. Of the following choices, which would be a proposed mechanism by which a basic molecule...
21. Of the following choices, which would be a proposed mechanism by which a basic molecule affects an acid solution? a) It prevents the disassociation of H.O molecules therefore raising the pH toward 7.0. b) The base releases OH which can combine with H in the solution, therefore raising the pH toward 70 c) bases are ionic molecules that combine with the polar H,O molecules.) They counteract the burning sensation caused by acids by cooling the cells lining the stomache)...
Question 11. Certain amino acids destabilize or prevent formation of alpha-helices. Which amino acid is more...
Question 11. Certain amino acids destabilize or prevent formation of alpha-helices. Which amino acid is more likely to be found in these structures based on its charge and R-group size? A. Glycine B. Proline C. A sequence of several Glutamate D. A sequence of several Lysine E. Alanine Question 12. Which of the following is least likely to result in protein denaturation? A) Altering net charge by changing pH B) Changing the salt concentration C) Disruption of weak interactions by...
Two Biology problems Please answer all of these with details otherwise please 'do not answer any'...
Two Biology problems
Please answer all of these with details otherwise please 'do not
answer any'
A. The figure above shows two types of carbohydrates commonly found in plants. Which of the following is a correct statement about these carbohydrates? a. A is an energy storage polysaccharide because its beta-glycosidic linkages are more resistant to hydrolysis. b. B is a structural polysaccharide because its beta-glycosidic linkages are more easily hydrolyzed. c. B is an energy storage polysaccharide because its alpha-glycosidic...
AJ by oxygen Donas Bjoy nyarogen bonas ionic bonds D) by nonpolar covalent bonds Coy E) by isotopes 29) Which answer below best describes H,0? A) Water molecule bonds are ionic bonds, in which electrons are gained and lost to create the bond. B) Water molecule bonds are oxygen bonds, in which oxygen atoms form bonds together. C) Water molecule bonds are polar covalent bonds, in which unequal sharing of electrons occurs. D) Water molecule bonds are nonpolar covalent bonds,...
20. Word bank: Hydrophili Triacylglycerols Fatty acids Hydrophobic Amylopectin Phospholipids Glucose can form large polymers that are held together by Animals store glucose in long, branched polymers called glucose in long, linear polymers called called the enzyme for degrading Steroids Hydrophilic Cholesterol Cellulose Glycoproteins bonds. Plants store or as branched polymers Animals can digest these polysaccharides, but most lack which serves as dietary fiber Lipids are be stored or broken down for energy down to produce energy. Lipids are stored...
12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids. D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism. E) transamination 14) Which of the following does not require energy from ATP hydrolysis? A) digestion B) synthesis of an...
identify your answer. (2 pts ea) 12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism E) transamination. 14) Which of the following does not require energy from ATP hydrolysis?...
21. Of the following choices, which would be a proposed mechanism by which a basic molecule affects an acid solution? a) It prevents the disassociation of H.O molecules therefore raising the pH toward 7.0. b) The base releases OH which can combine with H in the solution, therefore raising the pH toward 70 c) bases are ionic molecules that combine with the polar H,O molecules.) They counteract the burning sensation caused by acids by cooling the cells lining the stomache)...
Question 11. Certain amino acids destabilize or prevent formation of alpha-helices. Which amino acid is more likely to be found in these structures based on its charge and R-group size? A. Glycine B. Proline C. A sequence of several Glutamate D. A sequence of several Lysine E. Alanine Question 12. Which of the following is least likely to result in protein denaturation? A) Altering net charge by changing pH B) Changing the salt concentration C) Disruption of weak interactions by...
Two Biology problems
Please answer all of these with details otherwise please 'do not
answer any'
A. The figure above shows two types of carbohydrates commonly found in plants. Which of the following is a correct statement about these carbohydrates? a. A is an energy storage polysaccharide because its beta-glycosidic linkages are more resistant to hydrolysis. b. B is a structural polysaccharide because its beta-glycosidic linkages are more easily hydrolyzed. c. B is an energy storage polysaccharide because its alpha-glycosidic...
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