Genome imprinting Study guides, Study notes & Summaries

What modification neutralizes the charges on histones and looses up the interactions between histones and DNA? - Answer- ACETYLATION Two types of post-transcriptional modifications that take place in the mRNA of eukaryotes - Answer- the addition of a CAP at the 5' end of the transcript and the addition of a POLY A sequence at the 3' end of the message Nucleic acid blotting is widely used in recombinant DNA technology. In a Southern blot one generally - Answer- Hybridizes filter-bound DNA w...

MB (ASCP) 2020(updated) correctly answeredConsider the table below where a child and a possible father (PF) share the listed paternity indices for each locus listed (LOC-A1, LOC-B2, LOC-C3, LOC-D4). Locus Tested PF Child Paternity Index LOC-A1 3 2/3 2.18 LOC-B2 7/5 5 0.798 LOC-C3 15/17 9/17 5.21 LOC-D4 12 12 1.37 Based on the data presented in the table, what is the combined paternity index, CPI, from the loci tested: LOC-A1, LOC-B2, LOC-C3 and LOC-D4? 12.42 9.558 15.56 2.38 12.42...

Biology Chapter 18 Practice Test 44 Questions with Verified Answers In the case of E. coli, the bacterium may need to synthesize tryptophan, or its host, a human, may supply all the tryptophan it needs. Why do both bacteria and humans need tryptophan? A) It is an important enzyme in the glycolysis pathway. B) It is one of the 20 amino acids used by all organisms to synthesize proteins. C) It is an important constituent of cell walls in both humans and bacteria. D) Tryptophan induces the ...

Longitudinal Study correct answer: studies a person or group of people over an extended period of time Cross-sectional Study correct answer: compares individuals of various ages at one point in time Genome correct answer: the set of complete instructions for making an organism Chromosome correct answer: the genetic master code for the body. It is made up of DNA DNA correct answer: a complex molecule containing the genetic information that makes up the chromosomes Identical Tw...

Loading Dose - ANSWER-Cp * Vd / F Ages of Tanner Stage Development in Boys - ANSWER-prepubertal - 8 - testicular enlargement 11.5 - length 13 - girth >15 - adult size F6P --> glucosamine - ANSWER-transamination reaction, requires amino acid (glutamine to glutamic acid) MI electrolyte imbalance - ANSWER-Ischemia --> No oxygen --> No ATP --> no maintenance of ATPase gradient so increased intracellular Na and decreased intracellular K and increased Ca Loss of which e...

BIO 214 EXAM 3 Practice EXAM 57 Questions with Verified Answers In the lac operon, CAP binding to the CAP site of the promoter ____. a. occurs when glucose is present b. inhibits RNA polymerase from binding to the promoter c. occurs when cAMP is absent d. helps the repressor protein bind to the operator e. enables RNA polymerase to transcribe the operon's genes - CORRECT ANSWER enables RNA polymerase to transcribe the operon's genes Gene regulation in both prokaryotes and eukaryotes...

(MB) ASCP Study Exam Questions Answered 100% correct What is metagenome? Sampling the genome sequence of a community of organisms. Polymorphism involved for Irinotecan? UGT1A1 NGS related to deletions and insertions, coverage, depth? -Paired-end reads for detection of indels -Coverage is how much of your target has been read -Depth is how many times a unique position has been covered Polymerase for lagging strand? Euk - DNA Pol Alpha Pro - DNA Pol I Polymerase...

Ap Bio Chapter 18 Practice Test 99 Questions with Verified Answers The role of a metabolite that controls a repressible operon is to - CORRECT ANSWER e) bind to the repressor protein and activate it The tryptophan operon is a repressible operon that is - CORRECT ANSWER E) turned off whenever tryptophan is added to the growth medium. Which of the following is a protein produced by a regulatory gene? - CORRECT ANSWER D) repressor A lack of which molecule would result in the cell's ina...

Biology Chapter 18 Practice Test 44 Questions with Verified Answers In the case of E. coli, the bacterium may need to synthesize tryptophan, or its host, a human, may supply all the tryptophan it needs. Why do both bacteria and humans need tryptophan? A) It is an important enzyme in the glycolysis pathway. B) It is one of the 20 amino acids used by all organisms to synthesize proteins. C) It is an important constituent of cell walls in both humans and bacteria. D) Tryptophan induces the ...

ASCP MB 2023/2024 E. coli RNA Polymerase II - Answer DNA template, product: mRNA RNA Polymerase I - Answer DNA template Location: Nucleous Products: 18s, 5.8s, 28s rRNA RNA Polymerase II - Answer DNA template Location: Nucleus Products: mRNA, snRNA RNA Polymerase III - Answer DNA template Location: Nucleus Product: tRNA, 5s rRNA, snRNA Mitochondrial RNA Polymerase - Answer DNA template, product: mRNA Mammalian DNA polymerase α - Answer DNA template, product: primers ...