Spr06 mid2 - When making both sides of the conversation,...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
When making both sides of the conversation, Sometimes I don’t know what to do….Sam Phillips BIOS 100 EXAM 2 March 3, 2006 Gene expression (chapt 18) 1. Were do basal transcription factors mostly act? A. they bind to enhancers regions B. they bind to promoter regions C. they bind to silencer regions D. they bind to exons and introns 2. Where might tissue-specific, regulatory transcription factors act? A. they bind to enhancers regions B. they bind to promoter regions C. they bind to silencer regions D. A and C above 3. Enhancer regions of DNA might be found A. within an intron B. many nucleotides upstream from the gene starting point C. many nucleotides downstream stream from the gene stop code D. all of these ( could be found in any of those places) 4. One of the very first things that have to be done to initiate gene expression is to: A. phosphorylate the histone proteins B. undergo chromatin remodeling to open up the tightly wound DNA C. bind RNA polymerase II to the TATAA box region D. make an RNA copy of the start codon 5. True (A) or False (B) A gene can have at most one enhancer and one silencer region. Chemistry stuff 6. How is it that glucose dissolves in water so easily? A. the Carbons are attracted to each other B. the slightly charged ends of water are attracted to the O—H groups in the sugar C. the slightly charged ends of water are attracted to the high energy C—H groups in the sugar D. A and C above E. A, B, and C above 7. Which element(s) has the strongest pull on electrons and will become polar by ‘stealing’ them from other atoms? A. O B. H C. C D. C and H 8. Does the reaction below represent reduction ( answer A ) or oxidation (answer B ) of Carbon? CO2 + H2 H2CO (formaldehyde) + H2O 9. Does the reaction release energy ( answer A ) or require energy ( answer B)?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
10. At what point in the history of Earth were chemical molecules acquiring energy from the sun and reacting to make more complex, more energized carbon compounds ( period of chemical evolution)? A. 15 Billion years ago
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/29/2008 for the course BIOS 100 taught by Professor Kelso during the Spring '07 term at Ill. Chicago.

Page1 / 6

Spr06 mid2 - When making both sides of the conversation,...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online