DNA 2021 Flashcards
(28 cards)
Be able to complete the central dogma of biology diagram
Use you notes
What unzips the DNA helix to start replication process ?
DNA Helicase
What is replaced by in RNA?
Thymine (T)
Why is there a lagging strand in DNA replication?
DNA Polymerse cannot work backwards
Replicates discontinuously - - but breaks up into many small Okazaki fragments
What creates new DNA strands?
DNA Plymerase
Be able to match DNA nucleotides in a DNA strand
C. G. A. T. T. C. A. A,
G. C. T. A. A. G. T. T.
How can mutation be a good thing? AND a bad thing?
Good - - Can develop advantageous traits
Bad - - Can develop genetic diseases (Cancer)
Why do we refer to DNA replication as semi conservative?
Each strand is HALF of the original parent DNA
Be able to determine the Nucleotide in a diagram
Use your notes
How many nucleotides make up on codon?
3
Be able to put the following in order from SMALLEST - LARGEST.
Nucleus
DNA
Cell
Nucleotide
Chromosome
Smallest - - Nucleotide
DNA
Chromosome
Nucleus
Largest - - Cell
How many strands make up RNA?
1
How many amino acids are made for each codon?
1
What creates RNA by reading a DNA template?
RNA Plymerase
How many strands make up DNA?
2
What refers to the process of writing down DNA code onto mRNA?
Transcription
Why do we call DNA Replication semiconservative?
Each strand is half of the original parent DNA
What mutation would have MORE of an impact on the shape and function of a protein?
Frameshift Mutation
In RNA what nucleotide is replaced by Uracil (U)?
Thymine (T)
What enzyme is responsible for unzipping the DNA helix in Replication?
DNA Helicase
What enzymes are responsible for making new pieces of DNA?
DNA Polymerase
What is the RNA that transfers amino acids onto a protein that is being made?
tRNA
How many nucleotides make up one Codon?
3
What is the process of making an exact copy of DNA?
Replication
