Mutations
Evolution's Molecules
Point Mutation
Progeria
Miscellaneous
100
What is a mutation?
When cells copy DNA with an error.
100
What are the most important three molecules in the cell?
Proteins, DNA, and RNA
100
What is a point mutation?
A single base changes from one nucleotide to another.
100
Which protein is changed to cause Progeria?
lamin A
100
What is the name of this class?
Bio: 1101 Biological Fundamentals
200
True or False: Does every mutation has an effect?
False. Some have a significant effect while other mutations have no effect at all.
200
If one strand of DNA reads ATTGTCG, what will the other strand read?
TAACAGC
200
Point mutation is also known as...
Substitution.
200
True or False: The symptoms of Progeria include: growth failure, loss of hair and body fat, and the discoloring of skin
False
200
What is the room number of this classroom?
OMH 127.
300
Two possible causes for mutations besides an error when cells copy DNA are...
1. Radioactive particles that damage a molecule's structure 2. The sun's ultraviolet rays striking skin cells 3. Toxic chemicals
300
What is a codon?
A sequence of three nucleotides that form a unit of a genetic code in a DNA or RNA molecule
300
What are the two diseases mentioned in this presentation that are cause by point mutations?
Progeria and Cystic Fibrosis.
300
What is the most common illness individuals face from Progeria?
Cardiovascular illness.
300
What is the name of the professor that teaches this class?
Dr. Congdon.
400
What is deletion?
A segment of DNA that is deleted accidentally (either a small portion or an entire set of genes may be removed).
400
A DNA molecule consists of two strings of ________ that wind together to form a _______.
Nucleotides and double helix
400
Can a point mutation cause a frameshift?
No.
400
Which proteins play a major role in cellular aging?
Telomere proteins.
400
What chapter from Zimmer's book was the main focus of this presentation?
Chapter 5
500
What four mutations did we talk about?
Inversion, point, deletion, and insertion.
500
The four bases are A___, C___, G___, T___...
Adenine, cytosine, guanine, and thymine
500
Give an example of a point mutation.
See board
500
What is a rare way that Progeria can be passed down from parent to child?
Mosaicism.
500
How many individual chromosomes do humans have?
46 individual, 23 pairs
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