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NWHSU Biochemistry 1 Exam 1 Prep Questions and Answers (100% Pass)
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NWHSU Biochemistry 1 Exam 1 Prep Questions and Answers (100% Pass)
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1|Page | © copyright 2024/2025 | Grade A+NWHSU Biochemistry 1 Exam 1 Prep
Questions and Answers (100% Pass)
What are the four bio molecules?
✓ Amino acids/proteins
✓ Carbohydrates
✓ Nucleotides/Nucleic acids
✓ Lipids
The solvent in bio chemistry is what?
✓ Water
Zwitter ion
✓ has a positive and negative charge
True or false: Most amino acids are chiral compounds?
✓ True!
✓ (exception = glycine)
Alpha amino acids consist of a ____ and a ____
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ amine and a COO- group
aromatic amino acids absorb_____
✓ UV light =280nm
Aromatic R groups?
✓ Tyrosine, Phenylalanine, Tryptophan
✓ (TPT)
Positively Charged R groups
✓ Histidine, Arginine, Lysine
✓ (HAL)
Negatively Charged R groups
✓ Aspartate, Glutamate
Nonpolar alaphatic R groups
✓ Leucine, Iso-Leucine, Alanine, Glycine, Proline, Valine, Methionine
✓ (hydrophobic)
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
Polar, Uncharged R groups
✓ Serine, Threonine, Cysteine, Asparagine, Glutamine
✓ (Hydrogen Bonding)
Essential Amino Acids
✓ Valine, Leucine, Isoleucine, Methionine, Threonine, Phenylalanine,
Tryptophan, Lysine
DNA------------>Proteins
✓ expression
DNA------>mRNA------->
✓ Transcription, Translation
Uncommon, 21st amino acid
✓ selenocysteine
Metabolites
✓ Citrulline, Ornothine, Carnitine, Creatine
Master01 | October, 2024/2025 | Latest update
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