QBM EXAM 1 QUESTIONS AND ANSWERS
DNA strands are ______ to one another - CORRECT ANSWER✅✅antiparallel
Each strand is ____ charged and has a ______ backbone - CORRECT ANSWER✅✅negatively, phosphate
The phosphate backbone of DNA runs in what direction? - CORRECT ANSWER✅✅5'-3'
What are the nucleotide base pairings? - CORRECT ANSWER✅✅adenine with thymine, guanine with
cytosine
DNA bases are held together by _____ and ______ - CORRECT ANSWER✅✅hydrogen bonds and base
stacking
DNA is copied by _____ - CORRECT ANSWER✅✅DNA polymerase
DNA is copied during what phase of cell division? - CORRECT ANSWER✅✅The S phase
DNA is transcribed to mRNA by what? - CORRECT ANSWER✅✅RNA polymerase
What translates the RNA message into protein? - CORRECT ANSWER✅✅ribosomes
Small pieces of DNA that can be used to determine presence of an allele are called ______ - CORRECT
ANSWER✅✅Probes
How are probes useful? - CORRECT ANSWER✅✅Generating pedigrees, paternity testing, forensics,
predisposition to specific disease
Advanced probe-based systems called _____ can analyze and entire genome - CORRECT
ANSWER✅✅microarrays
, Proteins consist of amino acids linked by _____ bonds - CORRECT ANSWER✅✅peptide
A negatively charged amino acid is ______ - CORRECT ANSWER✅✅acidic
A positively charged amino acid is ______ - CORRECT ANSWER✅✅basic
Protein synthesis by the ribosome goes from the _-terminus to the _-terminus. - CORRECT
ANSWER✅✅N (amino) to C (carboxyl)
The primary structure of a protein is its _____ - CORRECT ANSWER✅✅amino acid sequence
Secondary structures can be formed such as ____ and ____ - CORRECT ANSWER✅✅a-helices and B-
helices
What kind of protein model represents what proteins actually "look" like? - CORRECT
ANSWER✅✅molecular surface model
Quaternary structures are formed by _____ - CORRECT ANSWER✅✅multiple polypeptide chains
Protein p-53 is a _____ suppressor that is activated upon cell ______ - CORRECT ANSWER✅✅cancer,
damage
Research labs must follow the rules set by _____ - CORRECT ANSWER✅✅OSHA - Occupational Safety
and Health Administration
OSHA states that employers must inform employees of _____ and every hazardous substances has a
_____ - CORRECT ANSWER✅✅hazards, MSDS - Material Safety Data Sheet
DNA strands are ______ to one another - CORRECT ANSWER✅✅antiparallel
Each strand is ____ charged and has a ______ backbone - CORRECT ANSWER✅✅negatively, phosphate
The phosphate backbone of DNA runs in what direction? - CORRECT ANSWER✅✅5'-3'
What are the nucleotide base pairings? - CORRECT ANSWER✅✅adenine with thymine, guanine with
cytosine
DNA bases are held together by _____ and ______ - CORRECT ANSWER✅✅hydrogen bonds and base
stacking
DNA is copied by _____ - CORRECT ANSWER✅✅DNA polymerase
DNA is copied during what phase of cell division? - CORRECT ANSWER✅✅The S phase
DNA is transcribed to mRNA by what? - CORRECT ANSWER✅✅RNA polymerase
What translates the RNA message into protein? - CORRECT ANSWER✅✅ribosomes
Small pieces of DNA that can be used to determine presence of an allele are called ______ - CORRECT
ANSWER✅✅Probes
How are probes useful? - CORRECT ANSWER✅✅Generating pedigrees, paternity testing, forensics,
predisposition to specific disease
Advanced probe-based systems called _____ can analyze and entire genome - CORRECT
ANSWER✅✅microarrays
, Proteins consist of amino acids linked by _____ bonds - CORRECT ANSWER✅✅peptide
A negatively charged amino acid is ______ - CORRECT ANSWER✅✅acidic
A positively charged amino acid is ______ - CORRECT ANSWER✅✅basic
Protein synthesis by the ribosome goes from the _-terminus to the _-terminus. - CORRECT
ANSWER✅✅N (amino) to C (carboxyl)
The primary structure of a protein is its _____ - CORRECT ANSWER✅✅amino acid sequence
Secondary structures can be formed such as ____ and ____ - CORRECT ANSWER✅✅a-helices and B-
helices
What kind of protein model represents what proteins actually "look" like? - CORRECT
ANSWER✅✅molecular surface model
Quaternary structures are formed by _____ - CORRECT ANSWER✅✅multiple polypeptide chains
Protein p-53 is a _____ suppressor that is activated upon cell ______ - CORRECT ANSWER✅✅cancer,
damage
Research labs must follow the rules set by _____ - CORRECT ANSWER✅✅OSHA - Occupational Safety
and Health Administration
OSHA states that employers must inform employees of _____ and every hazardous substances has a
_____ - CORRECT ANSWER✅✅hazards, MSDS - Material Safety Data Sheet
