The molecular structures of linoleic acid and palmitic acid, two naturally occurring substances, are shown in the figure. Linoleic Acid Based on the molecular structures shown in the figure, which molecule is likely to be solid at room temperature? A Linoleic acid, because the absence of carbon-carbon double bonds allows the molecules to pack closely together. Linoleic acid, because the presence of carbon-carbon double bonds prevents the molecules from packing closely together. © Palmitic acid, because the absence of carbon-carbon double bonds allows the molecules to pack closely together. Palmitic acid, because the presence of carbon-carbon double bonds prevents the molecules from packing closely together. наз Palmitic Acid

H онн C-C-N -C C-N OH +H20 HH H. H N- C-N-C-C OH OH H. R R The chemical reaction illustrated in the accompanying figure H H C-N-C-C OH N- -C OH R R The chemical reaction illustrated in the accompanying figure O links two monomers to form a polymer separates two phospholipids in a bilayer breaks a peptide bond is a hydrolysis reaction in a polysaccharide A piece of DNA has the following sequence: 5' TCATGG 3'. What would be the sequence of the complementary strand? O 3'AGTACC 5' O S' AGTACC 3 O3 CCATGA 5 O s CCATGA 3 Refer to the accompanying figure. RNA at the beginning of the strands are shaded in lighter color. Identify th leading strand in this figure! O a O b HICIR

Biological polymers(carbohydrates,proteins, and nucleic acids) are all formed and broken by two processes. Identify the process and explain what is happening in them in 25 words or less(total).

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Amylopectin and cellulose are being compared. Which of the following choices explains the similarity between the polysaccharides? Both contain 1,4-glycosidic bonds O Both function as membrane components. O Both contain a-peptide bonds. Both have extended linear shapes.

Which of the following differentiates chitin with cellulose? Chitin has the alpha (1-4) glycosidic linkage O Chitin has an amino derivative of glucose O Chitin is a polysaccharide and cellulose is a disaccharide Chitin has the beta (1-4) glycosidic linkage.

Drag the correct terms for the generic monomer, the generic polymer, and the name of the bond between monomers for each for the 4 classes of biomolecules: carbohydrates, proteins, nucleic acids, and lipids Monomer Polymer Bond between monomers Carbohydrate Monosaccharide Glycosidic linkage Protein Amino acid Peptide bond Nucleic Acid Nudeotide Lipid Polypeptide Nuclelc acid None Phosphodiester bond Polysaccharide

12 A Aa v AaBbCcDc AaBbCcDdEe AaBbCcDdE AaBbCcDdE Uv ab x, x A A v 三三三=|這、| 4、 Caption Emphasis Heading 1 Heading 3 Q2. Complete the table below with a tick to show which of the following statements describe the molecules. Statement Alpha glucose Fatty acid Amino Nucleotide acid A hexose sugar Insoluble in water Formed by condensation reactions Contain the elements, C, H and Contains the element, N Has a carboxyl group, -COOH Forms polypeptides >

Which of these statements about the tertiary structure of a polypeptide is(are) untrue? You may select more than one answer. The tertiary structure will be maintained when the solvent is changed from pure water to aqueous acetic acid. O The tertiary structure is determined in part by the formation of disulfide bridges. Hydrogen bonding interactions are responsible for formation of secondary structure but not tertiary structure, O The tertiary structure is rigid and unchanging. O Charge-charge (electrostatic) interactions can be important in the tertiary structure.

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