A lack of this molecule would result in a cell's inability to "turn off" genes.
What is repressor? (corepressor)
100
Use host cells to copy themselves and make viral proteins
What is a virus?
100
Correct order of body structures from MOST complex to LEAST.?
-- organ system
-- cell
-- tissue
-- organ
What is organ system--organ--tissue--cell?
100
I use cAMP as a second messenger when relaying my primary message.
What are G protein coupled receptors?
200
A particular triplet of bases in the template strand of DNA is 5' AGT 3'. The corresponding codon for the mRNA transcribed is _____.
What is 3' UCA 5'?
200
The lactose operon is likely to be transcribed during these two conditions.
What is when the cyclic AMP and lactose levels are both high within the cell?
200
In this life cycle, a large number of phages are released at a time.
What is the lytic cycle?
200
The outer boundary of the cell that controls what enters and leaves
What is the plasma membrane?
200
Use this "box" to figure out genetic probability.
What is a Punnett Square?
300
This introduces a premature stop codon into the mRNA.
What is a nonsense mutation?
300
Encodes proteins that help prevent uncontrolled cell growth
What is a tumor suppressor gene?
300
Retroviruses have this type of genome, which requires the use of this enzyme to replicate it.
What is single stranded RNA and reverse transcriptase?
300
Fights diseases
What is the immune system?
300
Powerhouse of the cell
What is the mitochondria?
400
Addition of carbohydrates to form a glycoprotein is an example of ....
What is a post-translational modification?
400
This causes an increase in CAP binding to DNA to induce transcription.
What is an increase in cAMP?
400
This mediates assembly of viral proteins and its genome after it has replicated
What is nothing. Viral proteins and genome self assemble.
400
Lung is a major organ here.
What is the respiratory system?
400
C6H12O6 + 6O2 --> 6H2O + 6CO2 + ATP
What is cellular respiration?
500
Rank the following one-base point mutations (from most likely to least likely) with respect to their likelihood of affecting the structure of the corresponding polypeptide.
1. insertion mutation deep within an intron
2. substitution mutation at the third position of an exonic codon
3. substitution mutation at the second position of an exonic codon
4. deletion mutation within the first exon of the gene
What is 4, 3, 2, 1?
500
In colorectal cancer, several genes that code for this must be mutated for a cell to develop into a cancer cell.
What are genes involved in the cell cycle?
500
The greatest source of genetic variation in RNA virus population within viral replication.
What is high mutation rate due to lack of proofreading of RNA genome replication errors?
500
This tissue sends messages from the brain to the rest of your body.