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| Biology is the study of ______. |
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A molecule with the formula C18H36O2 is probably a ______.
A) Fatty Acid
B) Protein
C) Hydrocarbon
D) Carbohydrate |
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"To understand the chemical basis of inheritance, we must understand the molecular structure of DNA. This is an example of the application of which concept to the study of biology?"
A) The Cell Theory
B) Evolution
C) Emergent Properties
D) Reductionism |
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What type of covalent bond between amino acid side chains (R groups) functions in maintaining a polypeptide's specific three-dimensional shape?
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| Which bonds are created during the formation of the primary structure of a protein? |
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| Which of the following explains most specifically the attraction of water molecules to one another? |
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| Dehydration reactions are used in forming which of the following compounds? |
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| "triacylglycerides, polysaccharides, and proteins" |
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| "On food packages, to what does the term insoluble fiber refer?" |
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| "If a DNA sample were composed of 10% thymine, what would be the percentage of guanine?" |
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| hich of the following pairs of base sequences could form a short stretch of a normal double helix of DNA? |
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Definition
5'-ATGC-3' with 5'-GCAT-3 |
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Term
Which of the following statements concerning saturated fats is not true? |
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Definition
They have multiple double bonds in the carbon chains of their fatty acids. |
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"When Stanley Miller applied heat and electrical sparks to a mixture of simple inorganic compounds such as methane, hydrogen gas, ammonia, and water vapor, what compounds were produced?"
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both simple organic compounds and more complex organic compounds such as amino acids and hydrocarbons |
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| Why are human sex hormones considered to be lipids? |
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Definition
| They are not soluble in Water |
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| Which of the following statements correctly describes cis-trans isomers |
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Definition
| They have variations in arrangement around a double bond. |
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| What is the structural feature that allows DNA to replicate? |
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Definition
| complementary pairing of the nitrogenous bases. |
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| Which of the following is not a polymer? |
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| Which of these classes of biological molecules consist of both small molecules and macromolecular polymers? |
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| The method of scientific inquiry that describes natural structures and processes as accurately as possible through careful observation and the analysis of data is known as |
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| The molecular formula for glucose is C6H12O6. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions? |
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| Water molecules are able to form hydrogen bonds with |
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| Which of the following statements correctly describes any chemical reaction that has reached equilibrium? |
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Definition
| The rates of the forward and reverse reactions are equal. |
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| Buffers are substances that help resist shifts in pH by |
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Definition
| both donating H+ to a solution when bases are added, and accepting H+ when acids are added. |
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Term
| a surface made with carbon and hydrogen atoms covalently bonded together |
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Definition
| a surface made with carbon and hydrogen atoms covalently bonded together |
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Term
Which of the following statements concerning saturated fats is not true?
A) They have multiple double bonds in the carbon chains of their fatty acids
B)They are more common in animals than in plants. |
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Definition
| They have multiple double bonds in the carbon chains of their fatty acids |
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| Which level of protein structure do the α helix and the β pleated sheet represent? |
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| The slight negative charge at one end of one water molecule is attracted to the slight positive charge of another water molecule. What is this attraction called? |
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| Many mammals control their body temperature by sweating. Which property of water is most directly responsible for the ability of sweat to lower body temperature? |
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Definition
| The absorption of heat by the breaking of hydrogen bonds |
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Term
| How would acidification of seawater affect marine organisms? |
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Definition
| Acidification would decrease dissolved carbonate concentrations and hinder growth of corals and shell-building animals. |
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Term
Which of the following types of cells utilize deoxyribonucleic acid (DNA) as their genetic material but do not have their DNA encased within a nuclear envelope?
1)protists
2)plant
3)fungi
4)animal
5)archaea |
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Term
Which of the following types of cells utilize deoxyribonucleic acid (DNA) as their genetic material but do not have their DNA encased within a nuclear envelope?
1)protists
2)plant
3)fungi
4)animal
5)archaea |
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| "According to Darwinian theory, which of the following exhibits the greatest fitness for evolutionary success?" |
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Definition
| the individuals within a population that have the greatest reproductive success |
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| Why does evaporation of water from a surface cause cooling of the surface? |
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Definition
| The water molecules with the most heat energy evaporate more readily. |
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| The molar mass of glucose is 180 g/mol. Which of the following procedures should you carry out to make a 1 M solution of glucose? |
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| Dissolve 180 g of glucose in 1 L of water. |
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