Gene methylation - Study guides, Class notes & Summaries

Psychopharm Exam 1 practice 170 Questions with Verified Answers The PMHNP is evaluating a 68-year-old man for symptoms of major depression. While assessing the appearance of the patient, an obvious left-sided ptosis is noted. Which cranial nerve is directly linked to this condition? a. III b. IV c. V d. VI - CORRECT ANSWER A A 55-year-old woman has been referred for a psychiatric evaluation for a change in personality, lack of impulse control, and increasingly reckless decision-making....

Bs161 final 2024 Exam Questions With Answers In messenger RNA, the protein-coding sequence is present in: Question options: exons. introns. exons and the poly(A) sequence. introns and the poly(A) sequence. - ANSWER exons. Which process produces multiple proteins from the same primary transcript in the same cell? Question options: chromatin remodeling histone modification alternative splicing combinatorial control - ANSWER alternative splicing Alternative splicing allow...

Genetics Exam #2 With Questions and Answers 100% Solved What is the molecular mechanism for imprinting a gene? a. acetylation b. methylation c. phosphorylation d. mutation e. nitration - answerB Genomic imprinting most commonly uses____ to ____genes. Select one: a. acetylation : activate b. methylation : activate c. phosphorylation : activate d. methylation : deactivate e. phosphorylation : deactivate - answerD Individuals with three copies of most autosomes do not survive. Indivi...

What is Methylation? Ans: addition of methyl groups (CH3) to specific DNA nucleotides What performs methylation? Ans: DNA methyltransferases, add primarily to Cytosine bases What bases are primarily methylated? Ans: Cytosine - located in CpG dinucleotides What is a CpG dinucleotide? Ans: side by side Cytosine and Guanine nucleotides in same DNA strand What part of DNA is mostly methylated? Ans: In eukaryotic genomes, most methylated DNA is found in transposable elements and non-coding...

Biology 101 UNL Final (Glider) Questions and Answers | Latest Update | 2024/2025 | Rated A+ What is the role of peroxisomes in the cell? Peroxisomes break down fatty acids and detoxify harmful substances by producing and degrading hydrogen peroxide. How do plant cells use vacuoles differently from animal cells? Plant cells use vacuoles for storing nutrients, waste products, and providing structural support through turgor pressure, whereas animal cells have smaller vacuoles ...

WGU Biochemistry OA (Latest 2022/2023) Verified Answers Bohr Effect chart (low pH) C- High CO2 H- High H+ A- Acidic R-Release of O2(rt. Shift) T- tense state (in tissues) Primary structure Sequence of amino acids that make up a protein Secondary Structure Sequence of amino acids fold. Tertiary Structure -more folding in a 3D shape. -R groups (side chains) Quaternary Structure Protein has more than 1 polypeptide chain. Chemical reaction -absorb and release en...

What should the PMHNP consider when prescribing chemical restraints? - -allergy status -prior med hx for adverse drug reactions r/t the meds ordered in the chemical restraint -state regulations regarding chemical restrains must be reviewed Are the PMHNP and other staff liable if the client has an allergic reaction or adverse side effects to the drugs used for chemical restraint? - No. The client has been court-ordered to take the prescribed medications and the standing order for chemical r...

activators - TFs that increase the levels of transcription initiation Adaptive mutations - evolutionary change and adaptation to new environments, stressful conditions darwins birbs AP - activator proteins ARE - AP2 response elements Base analogs (chem induced - 5-bromouracil resembles thymine, except that it has bromine atom in place of methyl on 5' C base excision repair (BER) - repairs damaged base by using AP endonuclease to cleave damage on 5' side and DNA polymerase add new base...

Which of the following directly stimulates the release of neurotransmitters into the synaptic gap by causing vesicles to fuse with the cellular membrane? correct answers Ca++ These structures bring neurotransmitters form the soma of a neuron to the terminal button? correct answers Microtubules Dr. Smith is conducting a study in which she compares amygdala BOLD response to images of cats and dogs. She wants to know where in the brain dogs are processed differently than cats. If she is study...

locus correct answers any piece of DNA allele correct answers one or more alternative form of a gene dominance correct answers an allele masks the variation another allele produces linkage correct answers genes controlling two traits are located next to each other on a chromosome and they tend to me inherited with each other transcription correct answers making a copy of DNA to RNA translation correct answers turning RNA to a protein Why do cells in the body looks so different ...