bch210 lecture 1 questions with complete solutions
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BCH210
BCH210
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BCH210 Lecture 1 Questions
With Complete Solutions
What are the different biochemical molecules of life? correct
answer: - proteins = antibodies, receptors, transorters, hormones
enzymes
- lipids = fats, cholesterol, hormones
- sugars = energy, cell structure
- nucleic acids = DNA, RNA
- small molecules= vitamines, metabolites
- ions = K+, Na+, Ca2+, Cl-
- water
What are the 2 different types of hormones? correct answer: -
protein/ lipid derivative
What determines the function of a molecules correct answer:
structure
What causes cellular diseases? correct answer: - genetic
mutation that affects structure and function of a protein
How do sickle cells form? correct answer: - single amino acids
change in the protein hemoglobin
- alteration to the structure of hemoglobin allows it to bind to
other proteins causing an elongated shape
What can proteins function as? correct answer: - enzyme
What are transporters? correct answer: - moves things across
the membrane/ within cells/ bloodstream
What do hormones bind to ? correct answer: - signalling
molecules
Where are regonition proteins typically found? correct answer: -
on the surface of cell membranes
How does a molecules bind to an enzymes? correct answer: -
non- covalent interactions
- most receptors are recognition molecule
What does sucrase break down? correct answer: sucrose into
glucose and fructose
what can binding occur between? correct answer: - between
proteins
- between proteins and other molecules
What holds amino acids together? correct answer: covalent
peptide bonds
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