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WorksheetsMOLECULAR BASIS OF INHERITANCE - Quiz 11
Total questions: 10
Worksheet time: 4mins
Synthesis of DNA is
spontaneous
endergonic
exergonic
pseudogonic
The enzyme that restores the phosphodiester linkage between adjacent fragments in the lagging strand during DNA replication is
DNA ligase
primase
reverse transcriptase
helicase
A deoxyribose nucleoside is a
deoxyribose plus a nitrogenous base
sugar and a phosphate
deoxyribose plus a nitrogenous base and a phosphate
ribose plus a nitrogenous base
The building blocks for a new DNA molecule are
deoxyribose nucleoside monophosphates
deoxyribose nucleoside diphosphates
deoxyribose nucleoside triphosphates
deoxyribose nucleoside tetraphosphates
The force that holds DNA together in a double helix is
The force of the twist
covalent bonds
ionic bonds or ionic interactions
hydrogen bonds
The difference between DNA and RNA is that
DNA has thymine and RNA has uracil
DNA has no oxygen bonded to the 2’ carbon; RNA does
DNA is the genetic material; RNA is not.
DNA is double stranded and RNA can’t have hydrogen bond
Which one of the following is not found in DNA?
Carbon
Oxygen
Nitrogen or Hydrogen
Sulfur
Boiling DNA causes it to become
single stranded
monomers
destroyed
smaller the longer it is boiled
The Hershey-Chase experiment
Proved semiconservative replication is the mode for DNA replication
used 32P to label protein
used 35S to label DNA
helped to prove DNA was the genetic molecule
Chargaff’s rules of base pairing state that
the ratio of purines to pyrimidines is roughly equal in all tested organisms
the ratio of A to T is roughly equal in all tested organisms
the ratio of A + T and G + C is roughly equal in all tested organisms
a and b
