When does DNA replication occur in the cell cycle?
Before Cell Division (specifically during the S phase)
100
The SPECIFIC molecule made During transcription and the LOCATION this occurs
mRNA - Occurs in the nucleus
100
Translation is making ___________ from __________ and occurs in the _______________(organelle)
Translation is making Protein from RNAand occurs in the Ribosome (organelle)
100
When a nucleotide is added or deleted from a sequence this will cause what overall kind of mutation?
Frameshift
200
The sugars in DNA are held together with with what?
Phosphate groups (It has a sugar phosphate backbone)
200
First thing that happens in replication is that DNA is unwound by an enzyme known as _________
DNA Helicase
200
The location on a DNA molecule where transcription starts and the enzyme that attaches itself there.
At a promotor site - and RNA polymerase attached itself
200
All proteins start with the mRNA sequence ___ which codes for the amino acid _________________
All proteins start with the mRNA sequence AUGwhich codes for the amino acid METHIONINE
200
A point mutation that does not cause an amino acid to change is known as a ____________ mutation
Silent
300
What are the three parts to a nucleotide?
Deoxyribose, Phosphate group, nitrogenous base (adenine, guanine, thymine, cytosine)
300
After this another enzyme steps in and adds new nucleotide base pairs. This enzyme is called _______. Another function of this enzyme is to do what?
DNA Polymerase , Also proofreads the DNA making sure the correct Nucleotides have been added.
300
What happens to the DNA that was used to code for the RNA strand?
It zips back up and remains unchanged
300
Translate the following mRNA sequence. AUGCCGCGGAUUGUUUGA
Met - Pro-Arg-Ile-Val
300
Mutations such as frameshift and point mutations most likely are made during which two processes?
DNA Replication or Transcription
400
How do the nitrogenous bases pair up in DNA? What type of bonds hold these pairs together.
Adenine bonds with Thymine, Guanine bonds with Cytosine. They are held together with Hydrogen Bonds
400
How are the two DNA molecules related (other than having the same sequence) at the end of DNA Replication? Because of this, DNA replication is said to be _____ - _________
Each has one old strand and one new strand. Because of this DNA replication is said to be Semi-Conservative
400
If given the following DNA sequence, tell me what the result of transcription would be. ATTGCGGC
UAACGCCG
500
If a given sequence of DNA is shown to have 15% Thymine. What Percent of that same sequence would be Adenine? What About Guanine?
Adenine = 15% , Guanine = 35%
500
RNA is different than DNA is some key areas. First, RNA is _____________ stranded. It contains the sugar ____________ and can leave the _______________ to make _______________ in the __________________.
RNA is different than DNA is some key areas. First, RNA is SINGLE stranded. It contains the sugar RIBOSE and can leave the NUCLEUS to make PROTEINS in the RIBOSOMES