Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
28 Cards in this Set
- Front
- Back
|
DNA stands for? |
Deoxribonucleic Acid |
|
|
Genes? |
Units of genetic material that code for proteins which determine specific traits (also called Nucleic acids) |
|
|
DNA is made up of what? |
repeating molecules called nucleotides |
|
|
DNA double helix was discovered by whom, when, and how? |
frederick Griffin, 1928 |
|
|
Who is Rosalind Franklin and what did she do? |
took an X-ray photo of DNA that showed it was a double helix |
|
|
Who is Watson and Crick and what did they do? |
Used Rosalind Franklins X-Ray photo and took credit for it (STOLE IT) |
|
|
Adenine always goes with what? |
Thymine
(A-T, T-A) ALWAYS |
|
|
Cytosine always goes with what? |
Guanine
(C-G, G-C) ALWAYS |
|
|
DNA is made up of how many bases? and what are those bases? |
4, Adenine, Guanine, Thymine, Cytosine
|
|
|
DNA bases category (Purines) |
Adenine and Guanine |
|
|
DNA bases category (Pyrimidines) |
Thymine and Cytosine |
|
|
Chargaff's rule? |
Their amounts given in DNA molecule will be ABOUT the same |
|
|
What is genetic diversity? |
Different arangements of nucleotides in nucleic acid (DNA) |
|
|
The "Code of life" |
Specific order that bases occur (ATCGTATGCGG......) |
|
|
Chromosomes are made up of what? |
DNA wrapped around histones and coiled tightly (X shaped) |
|
|
DNA replication? |
(DNA MUST BE COPIED) Produced 2 idenitcal new complementary strands following the rules of base pairing (A-T G-C) |
|
|
When two strands of parental molecule separate and each function as a template for synthesis and this is called what? |
Semiconservative |
|
|
From DNA to protein is called? |
Transcription and translation) |
|
|
DNA serves as a template for what? |
Protein structure |
|
|
what is a codon? |
a "triplet" of 3 nucleotides each codes for a specific amino acid |
|
|
DNA trascription occurs where |
nucleus of the cells |
|
|
mRNA stands for what? |
Messenger RNA |
|
|
four bases of RNA? |
Uracil (instead of Thymine) -Adenine Gyunenine - cytosyn |
|
|
There is NO what in mRNA? |
PROTEIN |
|
|
DNA unzips why? |
so the mRNA can get the code, then the DNA zips up agian unchanged |
|
|
mRNA has how many codons |
5 |
|
|
when mRNA leaves the nucleus where does it carry the code to? |
the ribosome in the cytoplasm |
|
|
what does tRNA stand for. |
t= transfer |
