Biology: Science for Life with Physiology (5th Edition)
5th Edition
ISBN: 9780321922212
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 7LTB
Different proteins are composed of different sequences of
- sugars;
- lipids;
- fats;
- amino acids;
- carbohydrates
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Which molecule is incorrectly matched with its monomer?
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Which of the following statements about proteins is correct?
There are 20 types of amino acids commonly found in proteins.
Proteins are composed of glyosidic bonds.
Proteins are never folded.
They do not contain any hydrophilic or hydrophobic residues.
Peptide bonds are composed of only carbon and oxygen atoms.
Chapter 2 Solutions
Biology: Science for Life with Physiology (5th Edition)
Ch. 2 - Prob. 1LTBCh. 2 - Prob. 2LTBCh. 2 - Prob. 3LTBCh. 2 - Prob. 4LTBCh. 2 - Prob. 5LTBCh. 2 - Which of the following terms is least like the...Ch. 2 - Different proteins are composed of different...Ch. 2 - Proteins may function as ___________ genetic...Ch. 2 - Prob. 9LTBCh. 2 - Eukaryotic cells differ from prokaryotic cells in...
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- A protein is composed of amino acids, which are held together by the covalent bonds known as: phosphodiester bonds ester bonds glycosidic bonds ether bonds peptide bondsarrow_forwardWhich of the following statements is true about protein classes? * On hydrolysis, simple proteins yield only the amino acids Conjugated proteins are simple proteins combined with some non-protein material in the body. Derived proteins are proteins derived from simple or conjugated proteins All of themarrow_forwardWhich of the following monomers is correctly matched with its polymer? Fatty acid-protein Monosaccharide-lipid Glycerol-carbohydrate Amino-acid-proteinarrow_forward
- Which of the following is/are incorrect? - All proteins are polymeric- Not all nucleic acids are polymeric - All lipids are polymers - Carbohydrates are polymersarrow_forwardWhich of the following correctly matches the building block to the macromolecule it forms? Amino acids: proteins Sugars; lipids Nucleotides; polysaccharides Fatty acids; nucleic acidsarrow_forwardFats oils and waxes are all examples of: protein or chitin or fats or amylopectinarrow_forward
- Concerning carbohydrates, it is INCORRECT to affirm that: Monosaccharides (simple sugars that contain from 3 to 7 carbon atoms) Disaccharides (simple sugars formed from the combination of two monosaccharides by dehydration synthesis). Polysaccharides (from tens to hundreds of monosaccharides joined by dehydration synthesis). Examples of Polysaccharides are Sucrose (table sugar) = glucose + fructose. Lactose (milk sugar) = glucose + galactose. Maltose = glucose + glucosearrow_forwardIn proteins breaking down, the process starts from: Amino acids to proteins to peptides Peptides to proteins to amino acids Proteins to amino acids to peptides Proteins to peptides to amino acidsarrow_forwardWhich statement about quaternary structure is TRUE? Quaternary structure is unaffected by acids or heat. Quaternary structure is determined by the same interaction that holds an α-helix together. Quaternary structure is how prosthetic groups are held in a protein. Quaternary structure is the position of subunits in the overall structure of a protein. All proteins have quaternary structurearrow_forward
- A mole of glycerol and a mole of sucrose would have an equal number of molecules. volume. mass in grams. mass in daltons. number of atoms.arrow_forwardBiological molecules are necessary for every living thing (every organism) to survive. They help organisms because they provide:arrow_forwardThe primary structure of a protein is an alpha helix or a pleated sheet. the amino acid sequence of the polypeptide chain. composed of two or more polypeptide chains. maintained by hydrogen bonds.arrow_forward
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