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Chemistry for Biology Flashcards | StudBud

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Chemistry for Biology

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Essential chemistry for biology; Molecules of life

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Questions 8

Answers

1
Which of the following store and transmit hereditary information?
carbohydrates
proteins
nucleic acids
lipids
2
The tertiary structure of a protein is the
unique 3D shape of the fully folded polypeptide.
Overall structure resulting from protein aggregation
Order in which amino acids are joined in polypeptide chain.
Bonding of several polypeptide chains by weak bonds.
3
What is lactose classified as?
hexose
pentose
polysaccharide
disaccharide
4
What gives rise to the cohesiveness of water molecules?
nonpolar covalent bonds
hydrophobic interactions
hydrogen bonds
ionic bonds
5
Which four of these 25 elements make up approximately 96% of living matter?
carbon, sodium, chlorine, nitrogen
oxygen, hydrogen, calcium, sodium
carbon, sulfur, phosphorus, hydrogen
carbon, hydrogen, nitrogen, oxygen
6
Which of the following best describes chemical equilibrium?
Concentrations of products are higher than reactants.
Reactions stop when all reactants are converted to products.
Forward and reverse reactions stop.
Reactions continue with no effect on the concentrations.
7
Organic chemistry is a science based on the study of:
vital forces interacting with matter
carbon compounds.
water and its interaction with other kinds of molecules
functional groups
8
Altering which of the following protein structure could change the protein function?
tertiary structure
primary structure
secondary structure
all of the above