Term
| What is the measurement of the amount of matter contained in an object? |
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Definition
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Term
| If Chlorine has the atomic mass/weight of 35 and the atomic number of 17, what is the number of neutrons in an atom of chlorine? |
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Definition
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Term
| What are the subatomic particles on which the atomic number is based? |
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Definition
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Term
| What is the atomic mass/weight of an atom with 23 protons, 24 neutrons, and 25 electrons? |
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Definition
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Term
| How many energy levels (shells) are in an electrically neutral sodium atom? |
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Definition
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Term
| How many electrons are in the outer energy level of an electrically neutral atom of oxygen? |
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Definition
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Term
| What is the name given to any positively charged ion? |
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Definition
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Term
| What type of bond is formed by the transfer of an electron? |
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Definition
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Term
| What is the name given to any negatively charged ion? |
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Definition
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Term
| What is the name that refers to atoms with the same atomic number but with different atomic masses/weights? |
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Definition
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Term
| An atom of potassium, whose atomic number is 19, is more likely to become (a cation or an anion)? |
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Definition
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Term
| What is the molecular weight of C2H4O2? |
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Definition
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Term
| Using the periodic table, identify the element whose electrically neutral atom has 2 enery levels with 2 electrons in the outer energy level. |
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Definition
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Term
| Which term refers to a pair of shared electrons? |
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Definition
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Term
What type of reaction is demonstrated as
A + BC --> AC + B or AB + CD --> AD + CB? |
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Definition
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Term
| What is the organic base that is found in ATP? |
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Definition
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Term
| What is the name of the theory, or hypothesis, that describes how an enzyme works, or bonds specifically with, its substrate? |
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Definition
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Term
| The process of removing the amino group from amino acids is referred to as ______. |
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Definition
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Term
| The shape of most protein molecules may be described as ____________. |
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Definition
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Term
| A total of how many electrons are needed to fill the outer shell of most atoms? |
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Definition
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Term
| What type of bond is found between the bases in the DNA molecule? |
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Definition
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Term
| _____ are usually composed of protein and aid in chemical reactions without being used up. |
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Definition
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Term
| If a protein's shape is changed, it is been ______. |
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Definition
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Term
| In DNA, adenine always bonds to the which complementary base? |
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Definition
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Term
| Collagen and keratin are examples of which basic type of protein? |
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Definition
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Term
| Which of the following is the type of lipid that is the basic component of cell membranes? |
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Definition
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Term
| Identify the process by which water is removed so that larger organic molecules are formed from smaller molecules. |
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Definition
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Term
| Guanine always bonds to _____ in a DNA molecule. |
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Definition
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Term
| The sugar that composes part of the ATP molecule is |
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Definition
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Term
| To become stable, an atom will always attempt to fill it's ______. |
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Definition
| outer energy level of electrons |
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Term
| A chemical reaction that absorbs or requires the intake of energy is a/an ____ reaction. |
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Definition
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Term
| Which of the following is not a type of carbohydrate? |
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Definition
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Term
| Sucrose is composed of ______ . |
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Definition
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Term
| Which of the following is not a major class of organic compounds? |
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Definition
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Term
| Fructose and glucose are __________ . |
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Definition
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Term
| Glycogen is most similar to ____ . |
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Definition
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Term
| Which of the following is a hydrogen isotope with a mass of 3? |
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Definition
| 1 proton, 2 neutrons, 1 electron |
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Term
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Definition
| usually forms four covalent bonds. |
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Term
| A food product label lists the following information. Carbohydrate 5g., Protein 3g., fat 4g. per serving. How many calories per serving would this product contain? |
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Definition
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Term
In which of the following is the element and its number of bonds paired correctly?
a. H-2
b. C-3
c. N-1
d. O-4
e. none are correct |
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Definition
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Term
| All carbohydrates are composed of _____ . |
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Definition
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Term
| Complete the following reaction: NaOH + HCL --> |
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Definition
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Term
| Which of the following is a disaccharide that is produced by the combining of glucose and galactose? |
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Definition
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Term
The sugar fructose is composed of _____ .
a. glucose and galactose
b. glucose and glucose
c. sucrose and maltose
d. maltose and lactose
e. none of the above |
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Definition
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Term
We get most of our food energy from _______ .
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Definition
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Term
| Glycogen, a major nutrient reserve of animals, is an example of a _____ . |
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Definition
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Term
| Which of the following is not a steroid? |
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Definition
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Term
| The smallest protein consists of about ____ amino acid units. |
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Definition
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Term
| The bond between amino acids is a/an _____ . |
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Definition
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Term
| The only carbohydrate capable of directly producing energy by cellular respiration is ____ . |
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Definition
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Term
| Both RNA and DNA are known as which of the following types of organic compounds? |
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Definition
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Term
| Which of the following is not an electrolyte? |
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Definition
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Term
| Which of the following is not a part of a nucleotide? |
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Definition
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Term
| Which of the following is not always contained in a lipid? |
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Definition
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Term
| Lipids are primarily important as |
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Definition
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Term
| Fats are best described as being composed of _____ . |
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Definition
| glycerol and saturated fatty acids |
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Term
| Which of the following molecules has a hydrophobic portion and a hydrophylic portion? |
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Definition
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Term
| If an atom had the atomic number 14 and atomic mass of 27, how many protons, neutrons, and electrons would it contain? |
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Definition
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Term
Enzymes are _______ .
a. proteins
b. catalysts
c. inorganic
d. both a & b
e. both b & c
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Definition
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Term
| Which of the following is incorrect? |
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Definition
| DNA cannot self replicate |
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Term
| Which of the following occurs when the sequence of amino acids is changed? |
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Definition
| The protein is changed to a different protein. |
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Term
| Which of the following is not formed by the dehydration synthesis of only glucose molecules? |
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Definition
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Term
| Which term refers to the "water loving" nature of the phospholipid head? |
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Definition
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Term
| Identify the two men that first described the structure of a DNA molecule. |
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Definition
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Term
| AT pH ___ , the concentration of acid equals base. |
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Definition
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Term
| All of the breaking-down reactions/process of the cells of an organism |
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Definition
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Term
A peptide bond
a. is formed by dehydration synthesis
b. can be broken by hydrolysis |
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Definition
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Term
| The name given to the COOH group of an amino acid |
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Definition
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Term
| An endo toxin is associated with some |
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Definition
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Term
ATP
a. contain ribose
b. is a high energy molecule
c. has phophate groups
d. contains adenosine
e. all of the above |
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Definition
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Term
| The extra-chromosomal DNA in a cell that codes for ancillary functions |
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Definition
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Term
| If you denature a protein, you have |
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Definition
| broken the hydrogen bonds within |
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Term
A major function of proteins is
a. structural material
b. enzymes
c. antibodies
d. pigments
e. all of these |
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Definition
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Term
| This structure is composed of nucleotides and encodes the cell's genetic information |
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Definition
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Term
| The cleaving of the bonds within the fatty acids by microbial action is referred to as |
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Definition
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Term
| Which of the following would break large molecules into smaller components with the readdition of water? |
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Definition
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Term
| This is the type of bonding characterized by sharing of electrons |
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Definition
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Term
| The type of bond that links amino acids together |
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Definition
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Term
| The type of bonds that links the monosaccharides in maltose, starch, or glycogen molecules |
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Definition
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Term
| DNA and RNA are composed of basic units called |
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Definition
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Term
| Which type of reaction may be used to aid ph balance? |
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Definition
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Term
| A particle with a negative charge and low mass is a/an |
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Definition
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Term
| NaCl, when dissolved in water, would dissocate into Na+ and Cl-. What erm would refer to Na+? |
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Definition
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Term
| Most biological energy is involved with exchanges of the |
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Definition
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Term
| The two strands of DNA are held together by |
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Definition
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Term
| An acid and base will react to form a salt and |
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Definition
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Term
| A pH of 3 means that a solution is |
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Definition
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Term
| Carbon will typically form a _____ bond with other atoms. |
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Definition
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Term
| The part of an organic compound that has a predictable reaction or solubility is called the _____ group. |
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Definition
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Term
| The most common and energetically useful hexose is |
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Definition
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Term
| Insects and some fungi contain the polysaccharide |
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Definition
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Term
| A triglyceride is an example of a |
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Definition
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Term
| All triglycerides must contain esters of fatty acids and |
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Definition
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Term
|
Definition
| found within the membranes of cells that do not possess a cell wall |
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Term
| Which contains no histones? |
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Definition
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Term
| Which funtions in protein synthesis? |
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Definition
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Term
| Which of the following is the energy carrier compound for living organisms? |
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Definition
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Term
| Isotopes are elements iwth the same atomic weight but different atomic number |
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Definition
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Term
| Oils are more saturated than fats. |
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Definition
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Term
| The presence of this material within the bacterial cell wall of Mycobacterium tuberculosis (TB) results in this organism being so invasive and difficult to treat |
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Definition
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Term
| Why is water so necessary in metabolism? |
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Definition
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Term
| Large organic molecules are formed by what type of reaction? |
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Definition
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Term
| A + B --> AB + H20 is an example of a _____ reaction. |
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Definition
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Term
| The loss of a hydrogen and its electron is referred to as ______ . |
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Definition
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Term
| The polysaccharide that assists in plaque formation by increasing bacterial adhesiveness to the teeth. |
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Definition
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Term
| An acid + base reaction forms what 2 end products? |
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Definition
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Term
| In which level of protein structure do you include the intrachain bonding that occurs between the a and B-pleated sheets? |
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Definition
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Term
| Cells that contain cholesterol in their plasma membrane must have a cell wall for protection. |
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Definition
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Term
| The term ___ refers to the entire set of genes or genetic make up in a cell. |
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Definition
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Term
A molecule that is a combination of two or more different elements in a fixed ration, is called a ____ .
a. molecule
b. compound
c. a and b both
d. neither one |
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Definition
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Term
| Why is water so necessary for proper metabolism? |
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Definition
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Term
| The purine bases in nucleic acids include |
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Definition
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Term
| The a helix and B-pleated sheet are examples of |
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Definition
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