one experiment you learned about that helped scientists learn about the nature of DNA
What is Griffith (Pneumonia/rats)? Avery (Pneumonia/rats/digestive enzymes)? Hershey - Chase (radioactive bacteriophages)? Franklin- Xray diffraction ?
100
DNA → RNA
What is transcription
100
Main enzyme that joins nucleotides
to make a DNA molecule
What is DNA Polymerase
100
Subunits that are joined together to make proteins
What is amino acids
100
Name the 3 kinds of RNA produced by transcription
What is messenger-RNA, transfer-RNA, and ribosomal-RNA
200
Name the 2 kinds of molecules that make up the backbone of the DNA molecule.
What are deoxyribose sugars and phosphates?
200
Process in which one strain of bacteria is changed by absorbing DNA from another strain of bacteria
What is transformation?
200
Site where separation of strands and replication?occurs
What is replication fork?
200
Tell what kind of molecules combine with rRNA to make ribosomes
What is proteins
200
Name the kind of RNA that would
have a codon
What is mRNA
300
Name the nitrogen bases used to make?the DNA code
What are Adenine, Guanine, Cytosine, and Thymine?
300
Form of DNA that is seen in the nucleus of non-dividing cells which is more spread out so cells can read the code
What is a chromatin
300
Give the complementary DNA code?for:
A T G G C T
What is T A C C G A
300
On which kind of RNA would you find an ANTICODON?
What is transfer-RNA or T-RNA
300
Regions on the DNA where RNA polymerase binds to start transcription
What are promoters
400
What are Chargaff’s Rules ?
What is A = T and G = C ?
400
Molecule that binds to the operator region of an operon and “turns the gene off”
What is a repressor
400
Tell something else DNA polymerase?does besides join nucleotides
What is proofreads new strand to check for errors
400
Another name for translation
What is protien synthesis
400
Sequences of DNA that are NOT cut out of the corresponding RNA molecule and are expressed
What are exons?
500
Nitrogen bases made with 2 rings (like A and G)
What is a purine?
500
3 consecutive nucleotide bases on an m-RNA molecule that code for a specific amino acid
What is a codon?
500
How is replication in prokaryotes different from eukaryotes?
What is prokaryotes- starts in one spot and goes both directions around circle
Eukaryotes- starts in hundreds of places and moves in opposite directions along strand
500
During the process of translation mrna, _______ & ______ work together to produce a protien
What trna and ribosomes
500
Give the RNA message for this piece of DNA:
G T C A C T