1.
State the formula for monosaccharides
Correct Answer
(CH2O)n
2.
Disaccharides are formed when(state what disachharides are composed of, linkage formed + type of reaction)
Correct Answer
two monosachharides joined together, glycosidic linkage, condensation reaction
3.
Monosachharides and disaccharides differ from polysacharrides and are referred to as
Correct Answer
simple sugars
4.
State the formula for glucose
Correct Answer
c6 h12 06
c6h1206
5.
In animals, glucose is the main ______ sugar in the blood, _____ concentration is carefully controlled. glucose is considered to be a ________
Correct Answer
transport, glucose, monosaccharide
transport, blood/glucose, monosaccharide
6.
Fructose and galactose are examples of _____ of glucose
Correct Answer
isomers
7.
Humans cannot break down what type of glucose?
Correct Answer
beta glucose
8.
Give examples of pentose sugars (5 carbon atoms)
Correct Answer
ribose, deoxyribose, ribulose
deoxyribose, ribulose, ribose
ribose, ribulose, deoxyribose
deoxyribose, ribose, ribulose
ribulose, ribose, deoxyribose
9.
Starch is broken down into ______ by the enzyme ____________ can be broken down into glucose through ______ or 2 _____ molecules can bond to form ________, which is considered to be a ________
Correct Answer
maltose, amylose, maltose, hydrolysis, glucose, maltose, disaccharide
10.
Sucrose is a _______ that is formed when _______ is bonded to _______, it is commonly found in ______ and is less ______ than glucose
Correct Answer
disaccharide, fructose, glucose, plants, reactive
disaccharide, glucose, fructose, plants, reactive
11.
Lactose is a ______ that is formed when ______ is bonded to _________, and is only found in _______ milk
Correct Answer
disaccharide, glucose, galactose, mammals
disaccharide, galactose, glucose, mammals
12.
Starch is a ______ that is made up of _____ and _____. _____ is an unbranched glucose polymer held together by a ________; whereas ______ is a branched glucose polymer held together by a ________ with branch points formed by a _______.the angles at which the ________ is held makes them ________ in water
Correct Answer
polysaccharide, amylose, amylopectin, amylose, 1-4 glycosidic linkage, amylopectin, 1-4 glycosidic linkage, 1-6 glycosidic linkage, 1-4 glycosidic linkage, insoluable
polysaccharide, amylopectin,amylose, amylose, 1-4 glycosidic linkage, amylopectin, 1-4 glycosidic linkage, 1-6 glycosidic linkage, 1-4 glycosidic linkage, insoluable
13.
Polysaccharides are long chains of _____________ joined together by __________
Correct Answer
monosaccharides, glycosidic linkages
14.
Glycogen is formed when excess ____ molecules are linked to form glycogen. Glycogen is an ______ storing molecule in _______. similar to ______ with a 1-4 glycosidic linkage with a 1-6 branch point linkage. humans store glycogen in the _____ and _____ cells. enzymes in these tissues ______ glycogen into _______ molecules for energy. _______ is found in the ______ of plants.
Correct Answer
glucose, energy, animals, amylopectin, muscle, liver, hydrolize, glucose, glycogen, cytoplasm
15.
Cellulose is a straight chain polymer of ___ _______ molecules held together by a __ __________ _______. their _____ shape allows the _______ groups of parallel molecules to form many _______ bonds producing tight bundles called _________. these _______ intertwine forming tough, _______ cell walls. humans and most ______ cant breakdown the ___ _____ in cellulose. however cellulose is beneficial to the digestive system as cellulose can _____ against the _____ ________ stimulating ______ cells to secrete mucus that lubricates the feces and aids in easy digestion. cows have an enzyme called ___ ______ that breaks down the _____ linkages
Correct Answer
beta glucose, 1-4 glycosidic linkage, straight, hydroxyl, hydrogen, microfibrils, microfibrils, insoluable, animals, beta glucose, scrape, large intestine, intestinal, beta amylase, beta
16.
Lipids are
Correct Answer
A. Hydrophobic
17.
Triglycerides are comprised of ______ and ___________
Correct Answer
glycerol, fatty acids
18.
If there are no c=c bonds in the hydrocarbon chain that it is a _______ fatty acid, but if there is one c=c bond in the chain it is a _____ fatty acid, a fatty acid with more than one c=c bond is called a ________. Saturated fatty acids have _____ chains and _____ melting points, whereas unsaturated fatty acids form ____ chains and have _____ melting points.Also, saturated fatty acids tend to be found in ____ blooded animals and unsaturated fats tend to be found in ____ blooded in animals. At room temperature saturated fatty acids are ____ and unsaturated fats are _____
Correct Answer
saturated, unsaturated, polyunsaturated, straight, high, bent, low, warm, cold, solid, liquid
saturated, monounsaturated, polyunsaturated, straight, high, bent, low, warm, cold, solid, liquid
19.
Fatty acids are used for ________, ______, and _________, in fatty tissue
Correct Answer
storage, insulation, protection
insulation, storage, protection
protection, storage, insulation
storage, protection, insulation
insulation, protection, storage
20.
The hydrocarbon chain in a fatty acid can be from __ to __ units long but it always has to be an ___ number
Correct Answer
14, 22, even
21.
When glycerols _____ group and the fatty acids _______ group react a _______ reaction and _______ process take place.
Correct Answer
hydroxyl, carboxyl, condensation, esterfication
22.
The rigid kinks in _________ fatty acids ______ # of van der waal attractions, whereas the _____ hydrocarbon chains of ______ fatty acids allows them to fit _____ together and thus _____ # of van der waals attractions
Correct Answer
unsaturated, reduces, straight, saturated, closely, increases
23.
Phospholipids have ___ fatty acids and triglycerides have __ fatty acids
Correct Answer
C. 2, 3,
24.
In phospholipids the phosphate head is ____ and ______ and the 2 fatty acid chains are _____ and ______
Correct Answer
polar, hydrophillic, non-polar, hydrophobic
25.
Phospholipids have __ functional groups, in the head there is ____ that has an ___ group, a _____ group, and in the tails there is _____ that has a _____ group
Correct Answer
3, choline, amino, phosphate, glycerol, hydroxyl
26.
Steroids, being lipids, are ______ and have __ hydrocarbon linked ____. Steroids include: c_____, c______ and h______. c_____ can be attained through ____ and can be produced by the ____. c_____ is needed for the cell membrane to function properly as it effects ______. C_____ can also be converted into compounds such as vitamin __ and ___ ____.
Correct Answer
hydrophobic, 4, rings, cholesterol, cortisol, hormones, cholesterol, diet, body, cholesterol, fluidity, cholesterol, k, bile salts
27.
Proteins have an central carbon atom called the ____ ____ and have 3 groups attached to it called:-a___ ______-c_________ _____-__ _____
Correct Answer
amino group, carboxyl group, "r" group,
28.
Waxes are long chains of _____ ____ that are attached to ________ or a carbon ring.
Correct Answer
fatty acids, alcohol
29.
Amino acids are called amino acids because they have both ___ groups and ___ groups, which have _______ charges. at neutral pH, (found in most living organisms) the groups are _____. the overall net charge on the molecule is therefore ____ and this molecule is called a ________ ___.
Correct Answer
amino, acid, opposite, polar, zero, zwitter ion
30.
At a low pH an amino acid is _________, at a neutral pH there is __ _____ and at a high ph the amino acid is ________
Correct Answer
positive, no charge, negative
31.
Each amino acid has a different ___________ that makes each protein unique and gives them a wide range of properties.
Correct Answer
D. R group
32.
Amino acids are joined together by a _____ ____ to form a __________, the reaction inolved is a _________ ____________, it takes place in ____________ and the sequence of amino acids in a polypeptide is determined by the sequence of the _______ ______ in ___
Correct Answer
peptide bond, polypeptide, condensation reaction, ribosomes, genetic code, DNA
33.
In a polypeptide there is always one end with a free ________ group called the __________ and one end with a free _______ group called the ____________
Correct Answer
amino, N-terminus, carboxyl, C-terminus
34.
In secondary structure of proteins, ________ bonds form between the __________ group and the ________ groups of amino acids along the same _____ so that the polypeptide takes on a ______ shape called alpha ______. when two separate polypeptide strands run ______ to eachother _______, an _______ shape appears called the beta ______ _______.
Correct Answer
hydrogen, carboxyl, amino, chain, coiled, helix, parallel, interact, accordion, pleated sheet,
35.
In tertiary structure the polypeptide chain continues to _____ and _____ itself as a result of the interaction between the __ ________. P_____, __-____ and _____ "r"groups interact to form ________, ________ and __________ bonds.
Correct Answer
bend, fold, "r" groups, polar, non-polar, ionic, hydrogen, ionic, covalent
bend, fold, "r" groups, polar, non-polar, ionic, hydrogen, covalent, ionic
36.
The combination of two or more ____________ _______ forms a protein. the overall shape of a protein is determined by its ______ _________. chemical and physical factors such as changes in __ and ________ can _______ a protein.
Correct Answer
polypeptide chains, primary structure, pH, temperature, denature,
37.
___________ direct the growth and development of every living organism. included in this group is D___, R___, A__ and nucleotide co-enzymes. Essential for ____ in plant cells and ______ _______ in plant and animal cells.
Correct Answer
nucleic acids, DNA, RNA, ATP, photosynthesis, cellular respiration,
38.
DNA and RNA are
Correct Answer
C. Polymers
39.
DNA and RNA are made up of ______ units called _________. _________ enzymes and ATP are _________.
Correct Answer
monomer, nucleotides, nucleotides, monomers
40.
A nucleotide is made up of a _________ sugar, a ________ group and a __________ base.
Correct Answer
pentose, phosphate, nitrogenous
41.
IN DNA, Purines have ___ ring(s) and include ________ and ______; whereas pyramides have ____ ring(s) and contain _______ and _______.These are the 4 _______ bases.
Correct Answer
two, adenine, guanine, one, cytosine, thymine, nitrogenous
two, guanine, adenine, one, thymine, cytosine, nitrogenous
two, adenine, guanine, one, cytosine, thymine, nitrogenous
two, guanine, adenine, one, cytosine, thymine, nitrogenous
42.
In DNA, which pair
Correct Answer
B. Thymine and adenine pair and guanine and cytosine pair
43.
DNA nucleotides are joined together at the ________ group, attached to carbon __ at one molecule to the _______ group of carbon __ from another molecule. The bond that unites the phosphate is called a _________ bond
Correct Answer
phosphate, 5, hydroxyl, 3, phosphodiester
44.
In addition to phosphodiester bonds, ______ bonds, unite strands of DNA together. Adenine will always bond to ________ and is held together by _ _______ ____. Cytosine and __________ always bond together and are held together by _ ______ ____.
Correct Answer
hydrogen, thymine, 2 hydrogen bonds, guanine, 3 hydrogen bonds
45.
All of the bases are the same in RNA as DNA except ________ replaces ________ in RNA
Correct Answer
uracil, thymine
46.
DNA is ____ stranded whereas RNA is ____ stranded. DNA's job is to direct all cellular activities whereas RNA's function is to _________ and _________ the genetic information into _________
Correct Answer
one, two, translate, transcribe, proteins
47.
ATP (adenecine triphosphate)is a _______ made up of a nitrogenous base called __________, a ______ sugar and 3 ______ groups. High _________ bonds are formed between each ________ group and the _______ sugar. When these bonds break, _____ is ________
Correct Answer
monomer, adenecine, ribose, phosphate, energy, phosphate, ribose, energy, released