Which of the following are important biological functions of amino or acid derivatives of sugars? Structural roles Lubricating fluids Cell surface sugars used in cell identity Only A and B A, B, and C
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Which of the following are important biological functions of amino or acid derivatives of sugars?
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Structural roles |
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Lubricating fluids |
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Cell surface sugars used in cell identity |
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Only A and B |
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A, B, and C |
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- Molecule 1 Molecule 2 Molecule 3 Molecule 4 contain amino and carboxyl group D monosaccharides contain sugar phosphate and nitrogen base monomerS example glucose steroid hereditary information cell support, transport, movement uses energy storage Which of the following correctly completes the table? O A=DNA or RNA, B=cell fuel and support, C=galactose and glycogen, D=nucleic acids and fatty acids OA=DNA or RNA, B=cell fuel and support, C=fatty acids and glycerol , D=hemoglobin and actin O A-fructose and lipids, B =cell control and fuel, C=enzyme and catalyst, D=nucleotides and myosin O A=hemoglobin and insulin, B=cell control and reproduction, C=deoxyribose and ribose, D=sugars and lipidsWhich of the following is not the function of Glycosylation? Synthesis of membrane lipid O Helps in proper folding of the protein O Confer stability in proteins Helps in cell-cell adhesionCarbohydrates are used by the cell prima as a source of energy, but can be used im other roles within the cell such as [ Select ] and V [ Select ] Structural Organization Protein Synthesis Hydrolysis Reaction Catabolism
- A group of BS Biology students were tasked to design and fabricate different synthetic cell membranes that could be used to simulate cellular activities of certain organisms. Below are the chemical structures of the compounds that are available to them: H2C-OH НС — ОН HO H2C-OH myristic acid glycerol НО alpha-linolenic acid HO-P-o OH orthophosphate HO NH2 sphingosine OH CH2OH NH3 CH2OH HO ethanolamine HO OH OH OH Но. lactose ("point of attachment) Given these compounds, help the students assemble the structure of the lipid constituent for the cell membrane appropriate to study the following. Briefly explain your answer. (Draw the structure) а. a thermophilic bacteria thriving in a hot spring b. a hepatocyte of a sea lion in the Arctic Ocean С. a frog neurocyteThe synthetic process by which monomers are covalently linked is (a) hydrolysis (b) isomerization (c) condensation (d) glycosidic linkage (e) ester linkageFigure 3.5 What kind of sugars are these, aldose or ketose?
- Dixie Bee wanted to make JELL-O shots for her next party, but felt guilty about encouraging her guests to consume alcohol. She tried to compensate for the toxicity of the alcohol by adding pieces of healthy fresh pineapple to the shots, but when she did, the JELL-O never solidified. What happened? Hint: JELL-O is mainly sugar and a gelatinous mixture of proteins.Cell membranes consist mainly of ________ and ________. a. lipids; carbohydrates b. phospholipids; proteins c. lipids; carbohydrates d. phospholipids; ECMWhen pharmacology researchers design drugs that must enter into cells in order to be effective, they often add functional groups to the drug to make it more likely to pass through the plasma membrane. The addition of which of the following functional groups would be most likely to increase the permeability of a drug across a membrane? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Amino. Carboxyl. Hydroxyl. d Methyl. e Phosphate.
- All cells in your body contain glycoproteins (proteins with short oligosaccharide chains attached, Chapter 18) as part of the cell membrane. The carbohydrate part of a glycoprotein extends out of the membrane into the intercellular fluid and is the signaling part of the molecule. Red blood cells have specific glycoproteins that we use to specify the different blood types. Which sugars and sugar derivatives are found in all blood types? (Hint: Look closely at the sugar chains attached to each red blood cell in thediagram.)The following is true for the hetero-polysaccharide, except: Hyaluronic acid is an examples They can be branched or unbranched Different sugar units attached together Same type of sugar units attached togetherCarbohydrates such as cellulose and starch are both composed of (choose the best answer) glucose subunits, and are arranged in a quaternary structure glucose subunits, and are arranged in a polymer none of the answers are correct amino acid subgroups, and are arranged in peptide polymers nucleic acid subgroups and are arranged in repeating units of A-T and C-G fatty acid subgroups, and are arranged in phospholipid bilayers
