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BIO 219 Exam: Questions & Precise Answers (Pass!)
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BIO 219 Exam: Questions & Precise Answers (Pass!)
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BIO 219 Exam: Questions & Precise Answers (Pass!)Non polar side chains Right Ans - cysteine, Glycine, Alanine, Valine,
Leucine, Isoleucine, Methionine, Phenylalanine, Tryptophan, Proline
Polar side chains Right Ans - Serine, Threonine, Tyrosine, Asparagine,
Glutamine
Positively charged side chains Right Ans - lysine, arginine, histidine
Negatively charged side chains Right Ans - aspartic acid, glutamic acid
What kind of bond does non polar side chains form Right Ans -
hydrophobic bonds
What kind of bond does a polar side chain form Right Ans - hydrogen
bonds
What kind of bond does a positive/negative charged side chain form Right
Ans - ionic bonds
Protein structure Right Ans - amine attached to a carboxylic acid ( N-C-C
double bond O)
Methyl groups Right Ans - lots of hydrogens attached to carbons. can be
denoted as CH3 or similar
Assembler of proteins Right Ans - ribosomes
Types of bonds found in proteins Right Ans - hydrogen, ionic, hydrophobic,
peptide
Assembler of nucleic acids Right Ans - dna/ rna polymerase
Bonds found in nucleic acids Right Ans - hydrogen bonds, phospodiester
Assembler of lipids Right Ans - fatty acid synthase
Bonds found in lipids Right Ans - hydrophobic, ester
,Assembler of carbohydrates Right Ans - glycosyl transferase
Bonds found in carbohydrates Right Ans - glycosidic bonds, none in
polymer
Nucleic acid structure Right Ans - phosphate group + 5 carbon sugar +
nitrogen base
lipid structure Right Ans - hydrocarbon+ carboxyl + lots of carbons
carbohydrates structure Right Ans - lots of hydroxyl groups
sulfhydryl group Right Ans - A chemical group consisting of a sulfur atom
bonded to a hydrogen atom.
amine group Right Ans - nitrogen attached to hydrogen
phosphate group Right Ans - phosphorus atom covalently bonded to four
oxygen atoms
carbonyl group Right Ans - a chemical group consisting of a carbon atom
linked by a double bond to an oxygen atom
carboxyl group Right Ans - a single carbon atom double-bonded to an
oxygen atom and also bonded to a hydroxyl group.
hydroxyl group Right Ans - A chemical group consisting of an oxygen atom
bonded to a hydrogen atom.
aldehyde group Right Ans - A chemical group consisting of a carbon double
bonded to oxygen and single bonded to hydrogen (must be at end of chain)
are ribosomes considered organelles Right Ans - no bc they do not contain
a membrane
membranes are hydrophobic on the inside and hydrophilic on the outside
Right Ans - yes
, pepsin Right Ans - protein made by the stomach that helps in the
breakdown of ingested proteins
dna is stored and replicated and transcribed in the Right Ans - nucleus
mRNA is translated in Right Ans - the cytoplasm 5'-3'
proteins are created with free ribosomes ad can either be Right Ans -
translated or secreted in the ER
Golgi apparatus sorts and tags proteins for final destination to Right Ans -
lysosomes or peroxisomes
enzymes breakdown Right Ans - lysosomes
order of molecules Right Ans -
atoms,molecules,organelles,cells,tissues,organs,system
condensation/ dehydration rxns Right Ans - hydrogens react with hydroxyl
group and water is lost and covalent bonds are formed
how are macromolecules built Right Ans - addition of monomers to
monomer activation using ATP
activated monomers come together through condensation rxns and make
Right Ans - polymers
membranes are composed of Right Ans - proteins and lipids
chromatin is usually how DNA exists in the nucleus, what is it composed of
Right Ans - proteins and dna
1 ring structured nitrogenous base Right Ans - pyridines (uracil, thymine,
cytosine)
2 ring structured nitrogenous base Right Ans - purines (adenine, guanine)
two hydroxyls in two portion of base Right Ans - ribose sugar
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