D2.2 Gene Expression
14 review questions with answers for D2.2 Gene Expression, marked HL. Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.
The addition of acetyl groups to histones, which activates transcription?
- Transcription factor
- Histone acetylationRight answer
- Histone deacetylation
- Chromatin remodeling
All 14 questions and answers
The addition of acetyl groups to histones, which activates transcription?
Answer: Histone acetylation
The removal of acetyl groups from histones, which silences transcription?
Answer: Histone deacetylation
Changes in chromatin structure that affect how easily enzymes can access genes?
Answer: Chromatin remodeling
Tightly packed chromatin where genes are generally inactive?
Answer: Heterochromatin
Loosely packed chromatin where genes can be actively transcribed?
Answer: Euchromatin
The addition of a CH₃ group directly to cytosine bases in DNA?
Answer: DNA Methylation
The complete set of RNA transcripts in a cell at a given time?
Answer: Transcriptome
The process of using gene information to make a functional product?
Answer: Gene expression
A protein that regulates transcription by binding to specific DNA sequences?
Answer: Transcription factor
A DNA sequence that increases the rate of transcription?
Answer: Enhancer
A DNA sequence that decreases the rate of transcription?
Answer: Silencer
Heritable changes in gene expression that do not involve changes to the DNA sequence?
Answer: Epigenetics
The complete set of proteins produced by a cell at a given time?
Answer: Proteome
Collective term for all the chemical tags on a cell's DNA and histones?
Answer: Epigenome
Play it as a class game
Play this set opens it in splycr, where you can host it for your class straight away. Hosting needs no account: put the room code on the projector, and students join from a phone with the code and their first name. Each question plays as multiple choice, and the three wrong options are other answers from the same set.