Exam 1 Zeigler BIOL 302 Questions And
Complete Answers
Proteins are - ANSWER the most structurally complex and functionally sophisticated
molecules.
The functional unit within the cell - ANSWER Proteins
Structure protein - ANSWER provides the cell with shape and structure
Enzymes - ANSWER catalyze covalent bond breakage or formation
Transport Protein - ANSWER carries other molecules or ions
Motor protein - ANSWER generates movement in cells and tissues
Storage protein - ANSWER Stores small molecules or ions
Signal protein - ANSWER carries signals from cell to cell
Receptor protein - ANSWER detects signals and transmits them to the cells machinery
,Gene regulatory protein - ANSWER Binds DNA to switch genes on or off
Ex. Structure protein - ANSWER Tubulin and actin
ex. enzyme - ANSWER pepsin
ex. transport protein - ANSWER hemoglobin (oxygen)
ex. motor proteins - ANSWER myosin
ex. storage protein - ANSWER ferritin (iron in liver)
ex. signal protein - ANSWER insulin (glucose levels)
ex. receptor protein - ANSWER insulin receptor
ex. gene regulatory protein - ANSWER transcriptional factors (lactose repressor)
Amino Acids are - ANSWER building blocks that form proteins
, monomer - ANSWER small chemical unit that makes up a protein
Total amino acids - ANSWER 20
acidic, basic, hydrophobic, hydrophillic, ect. - ANSWER varying chemical properties of amino
acids
What is a protein molecule made from - ANSWER a long chain of amino acids, each linked
through covalent bonding (peptide bond)
Amino acid composition - ANSWER alpha C, amino group (n-terminus), carboxyl group
(C-terminus), R-group (side chain)
Where are peptide bonds formed on a protein? - ANSWER On the backbone NOT between R
groups
How are linkages of amino acids formed? - ANSWER through condensation reaction
condensation reaction - ANSWER a water molecule is expelled in the formation of the peptide
bond linkage
A protein is made through - ANSWER the linkage of amino acids to form a polypeptide chain
Complete Answers
Proteins are - ANSWER the most structurally complex and functionally sophisticated
molecules.
The functional unit within the cell - ANSWER Proteins
Structure protein - ANSWER provides the cell with shape and structure
Enzymes - ANSWER catalyze covalent bond breakage or formation
Transport Protein - ANSWER carries other molecules or ions
Motor protein - ANSWER generates movement in cells and tissues
Storage protein - ANSWER Stores small molecules or ions
Signal protein - ANSWER carries signals from cell to cell
Receptor protein - ANSWER detects signals and transmits them to the cells machinery
,Gene regulatory protein - ANSWER Binds DNA to switch genes on or off
Ex. Structure protein - ANSWER Tubulin and actin
ex. enzyme - ANSWER pepsin
ex. transport protein - ANSWER hemoglobin (oxygen)
ex. motor proteins - ANSWER myosin
ex. storage protein - ANSWER ferritin (iron in liver)
ex. signal protein - ANSWER insulin (glucose levels)
ex. receptor protein - ANSWER insulin receptor
ex. gene regulatory protein - ANSWER transcriptional factors (lactose repressor)
Amino Acids are - ANSWER building blocks that form proteins
, monomer - ANSWER small chemical unit that makes up a protein
Total amino acids - ANSWER 20
acidic, basic, hydrophobic, hydrophillic, ect. - ANSWER varying chemical properties of amino
acids
What is a protein molecule made from - ANSWER a long chain of amino acids, each linked
through covalent bonding (peptide bond)
Amino acid composition - ANSWER alpha C, amino group (n-terminus), carboxyl group
(C-terminus), R-group (side chain)
Where are peptide bonds formed on a protein? - ANSWER On the backbone NOT between R
groups
How are linkages of amino acids formed? - ANSWER through condensation reaction
condensation reaction - ANSWER a water molecule is expelled in the formation of the peptide
bond linkage
A protein is made through - ANSWER the linkage of amino acids to form a polypeptide chain
