Histone acetylation - Study guides, Class notes & Summaries

Which of the following best describes a protein domain? A section of a protein structure sufficient to perform a particular chemical or physical task If a mutation is made within the active site of an enzyme resulting in an increase in Km, which of the following will be true with respect to the enzyme kinetics? the enzyme will require a higher substrate concentration to reach 1/2 Vmax The following represents a series of reactions. As levels of B increase, this will decrease the conversion...

UCI BIO 93 Final Prep Test Questions With Answers What is an example of incomplete dominance? - ANSWER A red and white snapdragon making a pink offspring What is an example of co-dominance? - ANSWER Blood cells. What is Pleiotropy? - ANSWER When a gene affects more than one phenotypic character. What is the norm of reaction? - ANSWER The range of phenotypic possibilities What are some example of polygenic inheritance? - ANSWER Skin color and height Norms of reactions are broadest ...

benefits of gene regulation -Conserves energy -Expression in appropriate cell type -Expression in correct developmental stage eukaryotes & prokaryotes both control gene expression at: transcription, translation, and post-translation 3 additional gene expression controls in eukaryotes: chromatin remodeling, RNA processing, regulation of mRNA stability Protein-DNA complex chromatin chromatin remodeling when DNA near the promoter is released from tight interactions with proteins before transcri...

Biochemistry USMLE Step 1 Exam Questions With Answers histones are rich in which 2 AA's -ANSWER- lysine & argenine Barr bodies (what, type of chromatin) -ANSWER- inactive X chromosomes heterochromatin (highly condensed, sterically inaccessible) less condensed, transcriptionally active, sterically accessible chromatin -ANSWER- euchromatin DNA methylation at CpG islands -ANSWER- represses transcription "CpG Methylation makes DNA Mute" DNA methylation (what is methylated and why...

thermodynamic mixture the more stable isomer will be the most most favorable (will be of larger percentage in the product) energy stored by capacitors constant deceleration means that the velocity over time will decrease linearly with time linearly decreasing decelerating force means that velocity over time will exponentially decrease with time The relative thermodynamic stability of isomeric organic compounds can be inferred from which of the following types of ex...

Gene correct answers The sequence of genomic DNA that codes for a functional product and all necessary elements to properly regulate its expression What is the most likely type of biochemical change in a protein that results in a recessive and dominant mutation correct answers recessive: Changes in protein that results in a loss of function Dominant: Changes in proteins that result in a gain of functional Describe how a transcriptional activator can have both short term and long term eff...

UCI Bio 93 Final Exam Questions With 100% Correct Answers 2024 What is an example of incomplete dominance? - answerA red and white snapdragon making a pink offspring What is an example of co-dominance? - answerBlood cells. What is Pleiotropy? - answerWhen a gene affects more than one phenotypic character. What is the norm of reaction? - answerThe range of phenotypic possibilities What are some example of polygenic inheritance? - answerSkin color and height Norms of reactions are broades...

UNE Biochemistry Midterm Study Bank Succinate is a substrate for which complex in the electron transport chain? a.) Complex 1 (NADH-1 oxidoreductase) b.) Complex IV (Cyt c oxidase) c.) Complex V (ATP synthase) d.) complex II (Succinate-Q reductase) Complex II (succinate-Q reductase) (D) Which of the following would be consistent with an exergonic reaction? a.) ∆S would be negative b.) ∆G would be negative c.) ∆S would be positive d.)∆G would be positive ∆G...

UNE Biochemistry Midterm Study Bank Succinate is a substrate for which complex in the electron transport chain? a.) Complex 1 (NADH-1 oxidoreductase) b.) Complex IV (Cyt c oxidase) c.) Complex V (ATP synthase) d.) complex II (Succinate-Q reductase) Complex II (succinate-Q reductase) (D) Which of the following would be consistent with an exergonic reaction? a.) ∆S would be negative b.) ∆G would be negative c.) ∆S would be positive d.)∆G would be positive ∆G...

Bio 315- Exam 1 Questions and Answers 100% Correct From the list below, select the one cellular structure or compartment that is not found in animal cells: A. Plasmodesmata B. Golgi apparatus C. Endoplasmic Reticulum D. Plasma membrane - Correct Answer ️️ -A The most reliable feature distinguishing a eukaryotic cell from prokaryotic cell is the: A. Presence of plasma membrane B. Presence of a nucleus C. Eukaryotic cells larger size D. Presence of DNA - Correct Answer ️️ -B No...