BIO 107 PRACTICE EXAM 1 QUESTIONS AND ANSWERS

BIO 107 PRACTICE EXAM 1
QUESTIONS AND ANSWERS



Using Chargaff's rules, if the percent of A in a bacterial species is approximately 28%
the the percent of C is:
- 22
-36
-72
-11 - Correct Answers -22

During the removal of proteins in the cell ____ reactions occur, where as ______
reactions occur during their synthesis in the cell
-transcription; translation
-hydrolysis; dehydration
-hydrolysis; phosphorylation
-isomerization; epimerization - Correct Answers -hydrolysis; dehydration

If one strand of a double helix of DNA has the sequence 5'-CATTAGGAT, what will be
sequence of the Watson-crick counterstrand? - Correct Answers -5'-ATCCTAATG

How many molecules of water are released when a RNA molecule with 8 bases is
synthesized in a cell? - Correct Answers -seven

What is the name of the chemical linkage between the nucleotides in RNA? - Correct
Answers -a phosphodiester bond
A start codon is used to initiate transcription. T or F - Correct Answers -False

The template strand of DNA binds to the mRNA in a parallel fashion. T or F - Correct
Answers -false

Nucleoside triphosphates are used by RNA polymerase to create mRNA. T or F -
Correct Answers -true

Which of the following is consistent with the central Dogma of Molecular biology -
Correct Answers -DNA-->RNA-->protein

All of the following terms are used to classify the chemical properties of the 20 different
amino acids EXCEPT:
-acidic