Exam (elaborations)
USABO UNIT 1 CHAPTER 4 CARBON & MOLECULAR DIVERSITY QUESTIONS AND ANSWERS
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USABO UNIT 1 CHAPTER 4 CARBON & MOLECULAR DIVERSITY QUESTIONS AND ANSWERS
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Name: Score:18 Multiple choice questions
Definition 1 of 18
-OPO3^2-, chemically reactive, contributes negitive charge (1 when inside phosphate chain, 2
when at end ), give molecule ability to react w water (releasing energy)
name - organic phosphate
phosphate group
carbonyl group
carbonxyl group
methyl group
Definition 2 of 18
>C=O, hydrophilic, increased solubility in water, chemically reactive
name - ketone (within/middle carbon skeleton)
aldehyde (at end of carbon skeleton)
amino group
carbonyl group
carbonxyl group
methyl group
Definition 3 of 18
Different covalent arrangement/bonds of their atoms
asymmetric carbon
functional group
Stuctural Isomers
trans isomer
,Definition 4 of 18
-COOH, hydrophilic, increased solubility in water, chemically reactive, acid (donates H+) bc
covalent bond between O-H is so polar, in all amino acids
name - carboxylic acid/organic acid
carbonyl group
amino group
phosphate group
carbonxyl group
Definition 5 of 18
the chain of carbon atoms in an organic molecule (center backbone situation)
carbonyl group
carbon skeleton
organic chemistry
carbonxyl group
Definition 6 of 18
-NH2, hydrophilic, increased solubility in water, chemically reactive, base (pick up H+), in all
amino acids
name - amine
carbonyl group
amino group
carbonxyl group
methyl group
, Definition 7 of 18
Combination of atoms, such as a hydroxyl group (-OH) or an amino group (-NH2), with distinct
chemical and physical properties that influences the behavior of the molecule in which it
resides.
chemical group
phosphate group
hydroxyl group
carbonyl group
Definition 8 of 18
An organic molecule consisting only of carbon and hydrogen (H attaches where available on
skeleton for covalent bonding)
Enantiomers
hydrocarbon
amino group
sulfhydryl group
Definition 9 of 18
-CH3, non reactive (tag on molecules), affects gene expression when on DNA/protein bound
DNA, affects shape/function of female/male sex hormones
name - methylated compound
carbonxyl group
methyl group
carbonyl group
amino group
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