What is the major function of carbohydrates? A. stable genetic information B. membrane formation C. enzymes and cell structures D. energy storage and signaling
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uestion 7 Select one answer.
What is the major function of carbohydrates?
A. stable genetic information
B. membrane formation
C. enzymes and cell structures
D. energy storage and signaling
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Solved in 2 steps
- 8 Item 8 Glycolipids are found on the Multiple Choice a. outer layer of the cell membrane, and they help make the sticky sugar coating on its surface. b. middle layer of the cell membrane, and they function to transmit solutes through the membrane. c. inner layer of the cell membrane, and they provide scaffold support to the cell membrane. d. inside of the cell, where they are a source of high-energy nutrition to power mitochondria. Item9 Item 9 The most abundant lipid of the membrane consists of a head and two tails. This type of lipid is Multiple Choice a. a phospholipid. b. cholesterol. c. glycolipid. d. glycoprotein. Item10 Item 10 The lipid that stabilizes the membrane at extreme temperatures and is found in the hydrophobic regions of the bilayer is Multiple Choice a. the polar head. b. the nonpolar tails. c. cholesterol. d. glycolipid. glycocalyx. a steroid.Briefly describe the following and give examples.1. Starch2. Glycogen3. ProteinB. Q8. Unanswered Q8. Hydrogen bonds between parts of the macromolecule are involved in producing which of the following? (choose all that apply) O Select all that apply primary structure of proteins shape of fats secondary structure of proteins D. tertiary structure of proteins structure of cellulose E. 1 Submit 0/11 answered 1.pdf
- Part B. Classify Fatty Acids as Saturated or Unsaturated 2. Identify each fatty acid below as saturated or unsaturated: a) CH₂CH₂CH₂CH₂CH₂CH₂CH₂CH₂CH₂CH₂CH₂CH₂CH₂COOH b) CH,CH,CH,CH,CH,CH,CH,CH,CH=CHCH,CH,CH,CH,CH,CH,CH,COOH c) CH₂(CH₂)4(CH=CHCH₂)₂(CH₂) COOH d) CH3(CH₂)10 COOH e) CH₂(CH₂),CH=CH(CH₂),COOH f) CH₂CH₂(CH=CHCH₂)3(CH₂),COOH Fatty acid Saturated or Unsaturated a) b) f)Write short answers. i. Why proteins lose their function upon change in their 3D structure?H8. Which statement about lipids is incorrect? A) Fatty acids are found in membranes as triaglycerols, phosphoglycerolipids, and sphingolipids. B) Isoprenoids (terpeoids) form branched lipids. C) Cholesterol is a significant component of cell membranes. D) Phosphate head groups often have additional chemical modifications. E) Membrane lipids are generally amphipathic.
- Answer numbers 1 and 2 1. Which of the following best describes the chemical composition of lipids? a. It is composed mostly of hydrocarbons and soluble in non-polar organic solvents. b. It is either an aldehyde or ketone, and has more than one hydroxyl group. c. It is composed of amino group and carboxylic group bonded to a carbon skeleton. d. It is composed of a nitrogen base linked to a phosphorylated sugar. 2. Enzyme methylmalonyl-CoA mutase converts methylmalonyl-CoA to succinyl-CoA in the presence of vitamin B12. In patients with B12 deficiency, methylmalonic acid (MMA) levels will accumulate, as it cannot be converted to succinyl-CoA. It is hypothesized that elevated levels of MMA, along with elevated levels of homocysteine, contribute to myelin damage, accounting for the neurologic deficits, such as neuropathy and ataxia, seen in these patients. Under conditions of vitamin B12 deficiency, when methylmalonyl-CoA mutase may lack vitamin B12, the enzyme would be referred…le D... This is a/an: esc a) phospholipid b) lipid c) fatty acid d) carbohydrate 56B 1 Q A N @ 2 W S X # 3 OH a E D CH₂OH OH $ 4 TEC ОН C R FL OH % 5 22 T V MacBook Pro < 6 T!!! G Y B 11 & 7 H 2 * SChoose the letter of the best answer. 1. Which of the following is a function of a carbohydrate? a. Glycoprotein function in a variety of cell to cell and cell-molecule recognition process b. Giycolipids form part of the structural component of the cell membrane c. Carbohydrates form part of the structural framework of DNA and RNA molecules d. All of the above 2. Carbohydrates have a general formula of what? a. (CH:O). b. (CHO1)n C. (CHz:Os) n d. (CaHsOe)n 3. Which among the following is the systematic name for maltose? a. B-D-glucop yrnosyl-(1-4) -D-glucopyranose b. a-D-glucop yrnosyl-(1-4) -D-glucopyranose c. a-D-glucop yrnosyl-(1-6) -D-glucopyranose d. B-D-glucop yrnosyl-(14) -D-glucopyranose 4. Sugars that differ in configuration of ane carbon only is called a Anomer b. Diastereomer c. Epimer d. Enantiomer 5. Immunoglobulins are used by our immune system to fight off infectious and pathogenic agents. These complex malecules are glycoconjugates which are a. Glycobiose b.…
- Give typing answer with explanation and conclusion 6. Which chemical properties of phospholipids make them suited to the task of forming cell membranes? Could carbohydrates be used to replace phospholipids as the main component of cell membranes? Explain. Incorporate the following terms into your answer: hydrophobic; hydrophilic; semipermeable.used as energy storage in plants 3 used as energy storage in animals 1. chitin consists of three 2. glycogen hydrocarbons attached to a glycerol molecule 3. cellulose the main component in 4. starch cellular membranes 5. steroids consist four fused rings attached to various functional groups 6. phospholipids makes up the insoluble fiber in our diet 7. fats used as structural support in animals > > > > >I. MULTIPLE CHOICE: Please choose the BEST ANSWER to the followingquestions below. 10. Fatty acids containing double bonds are found in ________. a. polysaccharides. b. proteins. c. saturated lipids. 11. The fatty acid with the IUPAC name of hexadecanoic acid is ________. a. lauric acid. b. myristic acid. c. palmitic acid. d. stearic acid. 12. Which of the following has the least number of saturated fatty acids? a. Coconut oil b. Corn oil c. Lard d. Palm oil