Epigenetic modifications - Study guides, Class notes & Summaries

C785 Epigenetics Exam (Latest 2023 - 2024) Actual Questions and Answers 100% Correct 1. Proteins that promote coiling of DNA and help prevent DNA strands from "tangling" are called? Answer: Histones The combination of DNA and histone proteins creates nucleosomes. 2. Epigenetics. Given the following modification of the nucleosomes, dis- cuss how the transcription and gene expression is impacted. In A the nucleosomes are less condensed, and inBthey are more tightly wound.WouldA or B fo...

©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 1/31 NU 318 Genetics- Exam 3 Study Guide with Complete Solutions Define Epigenetics - Ans:-the study of environmental influences on gene expression that occur WITHOUT a DNA change - they are chemical or environmental modifications ex: parental diet and environmental toxins What are the components of the epigenome? - Ans:-1. methylation 2. micro RNA 3. histone modification Define methylation - A...

In a molecular and cell biology course, students delve into the intricate workings of cells and the molecules that comprise them. Here's an overview of what's typically covered: Cell Structure and Function: Students learn about the structure and function of cells, including organelles such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, and chloroplasts (in plant cells). They explore how these organelles work together to carry out essential cellular processes such as m...

1. Question: A 10 year old male is stung by a bee while playing in the yard. He experiences a severe allergic reaction and has to go to the ER. The nurse providing care realizes this reaction is the result of: 2. Question: Chronic bronchitis is characterized by: 3. Question: A 6 year old female is ... with a bacterial infection of the respiratory system. Which of the following will most likely try to fight the antigen? 4. Question: A 52 year old male is ... with urinary tract obstruction. Whi...

DNA replication is semiconservative, meaning that each new duplex has one original (parent) strand and one new strand. Because the two parent strands are separated during replication and the base pairing is predictable, each parent strand can serve as a template for the new strand synthesis. DNA replication is ___________, which allows each of the two strands to serve as a _______ for the new strands. b. semiconservative, template Helicase unwinds the double stranded DNA to allow for ...

WGU C785 Foundational Pre-Assessment Exam Questions with a focus on Module One and Key Marking Scheme 2024 Genome - correct answer the whole set of genes that a person has Phenotype - correct answer observable characteristics or traits that arise from genotype, some are not easy seen like.Ex blood type, color blindeness Combinations of gametes from Two heterozygous parents( Bb + Bb) - correct answer 5% of the offspring will have the homozygous dominant BB genotype, 50% will have...

What is the first mRNA processing step? - ANSWER 5' capping Different mRNAs are made from the same initial pre-mRNA by ________. - ANSWER alternative splicing RNA transcription begins at a ________. - ANSWER promoter ________ protect(s) the pre-mRNA molecule. - ANSWER the 3' poly-a tail The process of pre-mRNA splicing removes ________. - ANSWER introns Spliced ________ differ in their exons. - ANSWER mRNAs Identify the three phases of transcription. - ANSWER initiation, elongation, te...

Public health prevention and control final exam questions and answers Graded A Diseases or conditions present at birth are called: -Answer-congenital social determinants contextualize risk in that -Answer-risk is about health status and trends public health programs that aim to reduce health risk among a wide population (such as promoting physical activity) are: -Answer-primary prevention population risk tolerance can change due to -Answer-perceived risk relativity the number of existin...

Biochemistry C785 Module 1 (Answered) 2022/2023 What is translation? Process by which mRNA is decoded and a protein is produced polymerase chain reaction (PCR) A method of producing thousands of copies of DNA segment using the enzyme DNA polymerase DNA primers in PCR are needed to? a initiate synthesis of the new DNA molecule dNTPs are the building blocks of DNA DNA polymerase III adds bases to the new DNA chain; proofreading the chain for mistakes Excision Repair locates and repairs ...

Genomics Midterm Exam Questions With Complete Solutions. DNA is a polymer composed of all of the following EXCEPT: a. nitrogenous base b. 5-carbon sugar c. codon d. phosphate group c codon = 3 nucleotide sequence Which of the nitrogen-containing bases are purines? a. adenine b. cytosine c. thymine d. guanine a, d cytosine and thymine are pyrimidines In a DNA sequence, adenine nitrogen base pairs with _________, while guanine pairs with _________. a. uracil, thymine b. th...