Term
What did Griffith contribute to science? |
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Definition
| He studdied mice and discovered that something could pass triats on |
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Term
| What did Avery contribute to science? |
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Definition
Avery discovered that DNA transfered info |
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Term
| What did Franklin contribute to science? |
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Definition
| Her X-ray images helped discover the shape of DNA |
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Term
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Definition
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Term
Name the parts of a nucleotide |
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Definition
| Phosphate, sugar, and a base |
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Term
| Name and spell the four bases |
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Definition
A-Adenine G-Guanine C-Cytosine T-Thymine |
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Term
What term refers to how the 2 sides of DNA relate to each other |
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Definition
| Complementary, if you know one you can figure out the other |
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Term
What do hydrogen bonds hold together? |
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Definition
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Term
| Phosodiester bonds hold what together? |
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Definition
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Term
| What do carbon bonds hold together? |
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Definition
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Term
The ends of two strands of DNA can be described as...? |
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Definition
| Anti-parallel, they will be the opposite of each other (sorta) |
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Term
Fill in the blanks double-helix,____coil,_____,_____ |
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Definition
Double Helix, nucleosome, coil, supercoil, chromosome |
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Term
| What are the two most common causesof mutations? |
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Definition
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Term
| Describe the process of replication, using the terms unzip,nuleotides, proof read, and product |
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Definition
| Enzyme unzips molecule, free nucleotidesand base paris math up, enzymes proof read, the product is two new daughter strands |
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Term
Why is DNA replication called discountinous? |
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Definition
| Because it starts in multiple places and all at the same time |
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Term
| What are the small pieces of DNA called that are made during replication called? |
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Definition
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Term
What are the jobs of DNA helicase, polymerase and ligase. |
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Definition
Helicase and Polymerase both unzip or cut the DNA and Ligase puts it together |
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Term
What are restriction enzymes and where are they found? |
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Definition
| Restriction enzymes cut the DNA after a certain # of ncleotides and they are found in teh ribosome |
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Term
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Definition
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Term
| Electrophoresis is used in what application of DNA technology? |
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Definition
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Term
Insulin is made through what DNA technology? |
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Definition
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Term
A protein made of 300 amino acids came from a template of how many nucleotides? |
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Definition
897, you subtract three for the stop codon |
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Term
What happens durring Translation? |
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Definition
| Codons and anti-codons match up to make proteins |
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Term
What happends durring Transcription? |
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Definition
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Term
What does tRNA look like? |
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Definition
| It has an amino acid on the top and an anti-codon on the bottom |
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Term
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Definition
So that the cell can make proteins |
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Term
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Definition
Anti-codons are a set of thre nucleotides that match up to a codon |
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Term
Why do no anticodons exist for "stop" codons? |
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Definition
If there was anticodon it would not signal for the process to end |
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Term
| What is the start codon and what A.A. does it code for? |
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Definition
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Term
What determines which amino acid will be added to a protein? |
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Definition
| The order of codons in a sequence |
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Term
Name three differences between DNA and RNA |
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Definition
1. Deoxyribose/Ribose 2.DNA cant leave the nucleus 3.DNA has two strands RNA only has one |
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Term
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Definition
Exons are expressed, so they are left in the sequence |
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Term
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Definition
| Introns are not expressed and they are removed or cut out of a sequence |
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Term
| What did Hersehy and Chase discover about DNA? What did they study? |
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Definition
| They discovered that DNA is the genetic material by studying radioactive viruses |
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Term
What did Watson and Crick discover about DNA? How did they come to this conclusion? |
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Definition
| They discoverd the shape of DNA using research made by other scientist |
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Term
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Definition
| A nucleotide is the basic unit of DNA, it contains 3 parts a sugar, a phosphate, and a base |
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Term
| Bases and sugars are conected using what kind of bond? |
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Definition
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Term
| What are at the ends of a antiparallel structure? |
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Definition
| A 5' and a 3', these are reversed on the strands antiparallel |
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