QUESTION distone modifying enzymes can be over- or under-expressed in a variety of human diseases and cancers. How would overexpression of histone methyltransferases affect transcription throughout the genome? O transcription could be increased or decreased depending on which amino acids in histone proteins were modified by this enzyme O transcription would be increased O transcription would be decreased O transcription would not be affected
QUESTION distone modifying enzymes can be over- or under-expressed in a variety of human diseases and cancers. How would overexpression of histone methyltransferases affect transcription throughout the genome? O transcription could be increased or decreased depending on which amino acids in histone proteins were modified by this enzyme O transcription would be increased O transcription would be decreased O transcription would not be affected
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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
Transcribed Image Text:QUESTION 6
Histone modifying enzymes can be over- or under-expressed in a variety of human diseases and cancers. How would overexpression of histone methyltransferases affect transcription throughout the genome?
O transcription could be increased or decreased depending on which amino acids in histone proteins were modified by this enzyme
O transcription would be increased
O transcription would be decreased
O transcription would not be affected
QUESTION 7
Eukaryotic genomes contain multiple origins of replication, whereas the E. coli genome contains a single origin of replication. Pick the reason(s) that eukaryotes need multiple replication origins from the list below.
O Eukaryotes have large genomes
O Eukaryotes have multiple chromosomes
O Eukaryotic chromosomes are linear
O Eukaryotic DNA is packaged in chromatin
O Eukaryotes use both leading-strand and lagging-strand DNA synthesis
O Eukaryotes use multiple DNA polymerases
QUESTION 8
Describe the role the branch point ribose 2'-OH plays in intron removal.
O A. forms a bond with the 5' phosphate of the intron to produce a lariat
O B. regulates alternative splicing of some RNAS
O C. forms a bond with the 3' hydroxyl group of the intron to produce a lariat
O D. catalyzes the removal of self-splicing introns
O E. recognized by snRNAs in the spliceosome by base-pair complementarity
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