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79 Cards in this Set
- Front
- Back
During the digestion process lactose breaks down to...
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glucose and galactose
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Which of the following pair constitutes isomers...
a. galactose and glucose b. glucose and fructose c. fructose and galactose d. all of the above |
all of the above
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In the digestion process...
a. food is broken down to produce co2,h20, and energy b. h2o is used to break down the food particles into smaller molecules c. none of the above |
water is used to break down the food particles into smaller molecules
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Compared to polyunsaturated fats the monounsaturated fats will give a count of....
a. higher iodine number b. zero iodine number c. lower iodine number |
lower iodine number
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If a fat contains three fatty acid chain it is called....
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triglyceride
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unsaturated fats are often liquids called....
a. triglycerides b. glycerol c. oils d. hydrogenated fats |
oils
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the helical structure of certain proteins, such as wool, is part of the protein's.....
a. secondary structure b. primary structure c. tertiary structure |
secondary structure
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A cofactor is the non-protein part of an enzyme. When the cofactor is of organic nature it is called a....
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coenzme
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When several amino acids are linked by peptide bonds producing a chain of molecular weight higher than 10,000 it called a....
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protein
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In cells, the hereditary components are in the....
a. nucleus b. ribosomes c. mitochondria |
nucleus
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The monomer unit in both starch and cellulose is....
a. galactose b. glucose c. sucrose |
glucose
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From an organic chemistry perspective, carbohydrates are polyhydroxy....
a. amino acids b. amines c. aldehydes and ketones |
aldehydes and ketones
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Which of the following pair constitutes isomers....
a. fructose and galactose b. all of the above c. galactose and glucose d. glucose and fructose |
all of the above
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Saturated fats will give a count of....
a. lower iodine number b. higher iodine number c. medium iodine number d. zero iodine number |
zero iodine number
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Iodine number is a measure of...
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the degree of unsaturation of fat
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Higher iodine number in fat means...
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higher unsaturation in the carbon chain
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Proteins are the polymers of...
a. carbohydrates b. esters c. carboxylic acids d. amino acids |
amino acids
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Hemoglobin is an example of protein's....
primary, quarternary, tertiary or secondary structure? |
quaternary structure
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When three amino acids are linked by two peptide bonds the product is called a....
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tripeptide
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The process that degrades molecules to provide energy is called....
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catabolism
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Fructose is a....
a. polysaccharide b. monosaccharide c. disaccharide |
monosaccharide
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Amylose is a...
a. polysaccharide b. disaccharide c. monosaccharide |
polysaccharide
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The primary chemical for the storage of energy in plants is...
a. carbohydrate b. fat c. protein d. cellulose |
carbohydrate
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Lower iodine number in fat means....
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lower unsaturation in the carbon chain
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Compared to polyunsaturated fats the monounsaturated fats will give a count of....
a. higher iodine number b. lower iodine number c. zero iodine number |
lower iodine number
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Lower iodine number in fat....
a. is bad for health b. is good for health c. has nothing to do with health |
is bad for health
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The pleated structure of certain proteins, such as silk, is part of the protein's....
secondary, tertiary, or primary structure |
secondary structure
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The primary structure of a protein is determined by....
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the order of amino acids in the protein
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When two amino acids are linked by one peptide bond the product is called a...
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dipeptide
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The process that builds up or synthesizes molecules in a living system is called....
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anabolism
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Starch is a...
a. polysaccharide b. monosaccharide c. disaccharide |
polysaccharide
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Human enzymes can digest cellulose.
true/false |
false
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A saturated fatty acid molocule contains...
a. one carbon to carbon double bond no carbon to carbon double bond two or more carbon to carbon double bonds |
no carbon to carbon double bonds
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If a fat contains three fatty acid chain it is called....
a. triglyceride b. monoglyceride c. diglyceride d. polyglyceride |
triglyceride
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The portion of an enzyme where the substrate 'fits' during the reaction is called the....
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active site
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Proteins contain the followin atoms in the chemical structure...
a. C,H,O b. C,H,O and N c. C and H |
C, H, O and N
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Starch is a ...
a. monosaccharide b. disaccharide c. polysaccharide |
polysaccharide
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During the digestion process sucrose breaks down to....
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fructose and glucose units
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If a fat contains a fatty acid chain it is called....
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monoglyceride
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A relatively small molecule with more than ten amino acids is called a....
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polypeptide
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The process that degrades molecules to provide energy is called....
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catabolism
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During the digestion process sucrose breaks down to...
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fructose and glucose units
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A crucial difference between starch and cellulose in that the glucose units in the cellulose molecule are linked via...
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beta linkage
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During digestion amylose breaks down to....
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all glucose units
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Compared to saturated fats the monounsaturated fats will give a count of....
a. higher iodine number b. lower iodine number c. zero iodine number |
higher iodine number
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Iodine number is a measure of...
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the degree of unsaturation of a fat
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In living systems, a specific enzyme generally catalyzes...
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one specific reaction
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When three amino acids are linked by two peptide bonds the product is called a....
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tripeptide
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Clinical analysis of enzymes in blood are used as one means of diagnosing...
a. cancer b. stroke c. heart attack |
heart attack
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The process that builds up or synthesizes molecules in a living system is called....
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anabolism
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Lactose is a ....
a. disaccharide b. polysaccharide c. monosaccharide |
disaccharide
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Amylose is a...
a. monosaccharide b. disaccharide c. polysaccharide |
polysaccharide
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Which of the following serves as dietary fiber?
a. cellulose b. galactose c. fructose d. starch |
cellulose
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If a fat contains a single fatty acid it is called....
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monoglyceride
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Lower iodine number in fat means...
a. no unsaturation in the carbon chain b. lower unsaturation in the carbon chain c. higher unsaturation in the carbon chain |
lower unsaturation in the carbon chain
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Higher iodine number in fat...is good or bad for the health
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is good for the health
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The secondary structure of a protein is determined by.....
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the hydrogen bonding that gives the protein a helical or pleated shape
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The pleated structure of certain proteins, such as silk, is part of the protein's....primary, secondary, or quartenary structure
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secondary structure
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A relatively small molecule with more than ten amino acids is called a....
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polypeptide
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In cells, protein synthesis occurs in the ....
a. cytoplasm b. mitochondria c. ribosomes d. nucleus |
ribosomes
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The molecular formula for glucose is....
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C6H1206
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Carbohydrates contain the following atoms in the chemical structure....
a. C, H, and O b. C and H c. C, H, O, and N |
C, H, and O
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Compared to saturated fats the polyunsaturated fats will give a count of....
lower, higher, or zero iodine number |
higher iodine number
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Higher iodine number in fat ....
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is good for health
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In the digestion process....
a. food is broken down to produce co2, h20, and energy b. water is used to break down the food particles into smaller molecules c. none of the ones mentioned here |
water is used to break down the food particles into smaller molecules
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Fructose is a ...
monosaccharide, or polysaccharide? |
monosaccharide
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Higher iodine number in fat means....
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higher unsaturation in the carbon chain
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Lower iodine number in fat means...
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lower unsaturation in the carbon chain
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Higher iodine number in fat is....good or bad for health?
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is good for health
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When several amino acids are linked by peptide bonds producing a chain of molecular weight higher than 10,000 it is called a....
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protein
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A relatively small molecule with more than ten amino acids is called a...
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polypeptide
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In cells, protein synthesis occurs in the....
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ribosomes
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During the digestive process lactose breaks down to....
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glucose and galactose
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Triglyceride is another term for....
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fats and oils
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Compared to saturated fats the monounsaturated fats will give a count of....
higher or lower iodine number? |
higher iodine number
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A monounsaturated fatty acid molecule contains....
no carbon to carbon double bond one carbon to carbon to double bond none of the above |
one carbon to carbon double bond
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The globular protein such as myoglobin is an example of a protein's....quartenary, primary, or tertiary structure?
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tertiary structure
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The specificity of enzyme catalysis is often described as the.....
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lock and key mechanism
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In cells, the hereditary components are in the ....
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nucleus
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