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BCH 367 Exam 1 Review (updated)questions n answers
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BCH 367 Exam 1 Review (updated)questions n answers
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BCH 367 Exam 1 ReviewAll biomolecules can be divided into just ________ main categories - correct answer ✔✔four
Over _______ of the human body is made up of H, O, C, and N - correct answer ✔✔99%
Proteins Structure - correct answer ✔✔linear polymer that folds into 3D structure
Monomers of proteins - correct answer ✔✔Amino Acids
Polymer bonds in protein - correct answer ✔✔Peptide bond
Major functions of proteins - correct answer ✔✔Signals, receptors, strucutre, mobility, defense,
catalysis, etc.
Nucleic acids structure - correct answer ✔✔Linear polymer that forms predictable base pairs
Monomers of nucleic acids - correct answer ✔✔nucleotides
Name of polymer bond in nucleic acids - correct answer ✔✔Phosphodiester bond
Major functions of nucleic acids - correct answer ✔✔Information storage and transfer
Lipids Structure - correct answer ✔✔Dual chemical character with hydrophobic and hydrophilic regions
# of Monomers in Proteins - correct answer ✔✔20
# of Monomers in Nucleic Acids - correct answer ✔✔4
,Major Functions of Lipids - correct answer ✔✔Fuel storage, signaling, and barriers
Carbohydrates Structure - correct answer ✔✔Diverse structures, can form branched polymers
Monomers in carbohydrates - correct answer ✔✔Monosaccharides
# of monomers in carbohydrates - correct answer ✔✔MANY
Major functions of carbohydrates - correct answer ✔✔Fuel, cell identification, cell-to-cell interaction
sites
Central dogma - correct answer ✔✔describes the basic principles of biological information transfer &
specifies the process through which we go from genetic information of DNA to the proteins that perform
so many cellular functions
Information Flow in Central Dogma - correct answer ✔✔Dna -> (transcription) RNA -> (translation)
Protein
In replication.... - correct answer ✔✔Input Biomolecule = DNA ; Output Biomolecule = DNA ; Enzyme =
DNA Polymerase
In transcription... - correct answer ✔✔Input Biomolecule = DNA ; Output Biomolecule = RNA ; Enzyme =
RNA Polymerase
In translation... - correct answer ✔✔Input Biomolecule = RNA ; Output Biomolecule = Protein ; Enzyme =
Ribosome
# of membranes in nucleus - correct answer ✔✔two
Fucntion of nucleus - correct answer ✔✔The information center that holds the DNA of the organism ;
Nuclear pores enable transport in and out
, # of membrances in Mitochondria - correct answer ✔✔two
Function of Mitochondria - correct answer ✔✔Energy production centers that produce ATP through
respiration
# of membranes in chloroplasts - correct answer ✔✔two
Function of Chloroplasts - correct answer ✔✔Photosynthesis centers that convert light to chemical
energy ; Only in plants and algae
# of membranes in SER (smooth endoplasmic reticulum) - correct answer ✔✔one
Function of Smooth Endoplasmic Reticulum - correct answer ✔✔Membraous sack used for processing
exogenous chemicals ; Smooth, no ribosomes
# of membranes in RER (Rough Endoplasmic Reticulum) - correct answer ✔✔one
Function of Rough Endoplasmic Reticulum - correct answer ✔✔ER where proteins destined for cellular
membrances or for secretion are synthesized ; Rough due to ribosomes
# of membranes in Golgi Complex - correct answer ✔✔one
Function of Golgi Complex - correct answer ✔✔Stacked membranes involved in protein sorting and
preparation of secretory granules
# of membranes in Secretory Granules - correct answer ✔✔one
Function of Secretory Granules - correct answer ✔✔Carry protein cargo destined for secretion
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