Shared Flashcard Set

Details

Chapter 13
DNA Sturcture and Function
27
Biology
Undergraduate 1
12/08/2011

Additional Biology Flashcards

 


 

Cards

Term
DNA stands for
Definition
Deoxyribonucleic acid
Term
Who started the discovery of DNA
Definition
Johann Miesher
Term
Frederick Griffith
Definition
Experimented with mice and the R & S cells. Found out that killed S-cell do not completely die especially the hereditary material that causes the infection
Term
Bacteriophages
Definition
only infects certain bacteria
Term
Who discovered the sturcture of DNA?
Definition
Watson and Crick
Term
DNA's building blocks
Definition
Adenine
Guanine
Thymine
Cytosine
Term
T and C are
Definition
pyrimidines
Term
A and G are
Definition
Purines
Term
How are the sturture of A,T,G,C?
Definition
A-T
G-C
Term
What is the basis of life's unity?
Definition
DNA's bonding pattern
Term
What is the basis for life's diversity?
Definition
Variation in base sequences
Term
Semiconservative replication
Definition
half old and half new
Term
Helicases
Definition
unzips the hydrogen bond
Term
DNA polynerases
Definition
catalysed the formation of two brand new strands of DNA from free nucleotides
Term
DNA ligases
Definition
seal the stretches together in to a continuous strand
Term
DNA proofreading mechanism
Definition
swiftly fix most errors in replication and most of the strand breaks
Term
repair enzymes
Definition
repair damaged site or mismatches
Term
One species' DNA differs from others in its ___
Definition
base sequences
Term
When DNA replication begins, ____
Definition
the two DNA strands unwind from each other
Term
DNA replication requires __
Definition
free nucleotides
many enzymes
new hydrogen bonds
Term
Adult cloning starts with __
Definition
nuclear transfer
Term
Nitrogen-containing base bonded to a sugar and one or more phosphate groups
Definition
nucleotide
Term
breaks hydrogen bonds, starts unwinding of DNA during replication
Definition
helicases
Term
only DNA and protien
Definition
bacteriophage
Term
fills in gaps, seals breaks in a DNA strand
Definition
DNA ligase
Term
carbon copy of dad or mom
Definition
clone
Term
adds nucleotides to a growing DNA strand
Definition
DNA polymerase
Supporting users have an ad free experience!