Ras protein Study guides, Class notes & Summaries

SI Practice Exam 4 |57 Questions with Verified Answers Which of the following statements is FALSE of the spliceosome and splicing mechanism? a. U1 snRNA base pairs with the 5' splice site b. The active spliceosome is produced when U1 and U3 snRNP exit c. U2 snRNA and U6 snRNA base pair to each other for the 1st reaction to occur d. U2 snRNA anneals to the branch site in the intron - CORRECT ANSWER b. The active spliceosome is produced when U1 and U3 snRNP exit Where are SR protein...

Proto-oncogene correct answers A gene that regulates normal cell division but that can become a cancer-causing oncogene as a result of mutation or recombination Oncogenes correct answers A mutated or defective version of a gene that cause cancer by blocking the normal controls of cell reproduction Ras/K-Ras correct answers Ras: Proto-oncogene, a family of genes that makes proteins involved in cell signaling pathways that control cell growth and cell death K-Ras: Gene in the Ras family o...

What is the human genome? correct answers a composite genome derived from multiple donors How many nucleotides are in the human genome? correct answers 3 billion What percentage of gene encoding areas are covered by the Human Genome? correct answers 1-2% What does a complete genome contain? correct answers all the genetic material of an organism What is the central dogma in molecular biology? correct answers DNA is transcribed into RNA and is translated into protein What is the es...

Genetics Second Exam Practice Test 150 Questions with Verified Answers Which organism has polycistronic mRNA? (eukaryotic or prokaryotic) - CORRECT ANSWER Prokaryotic Do prokaryotes undergo splicing/processing? - CORRECT ANSWER No Where are attenuater sequences found? (what type of organism and what class of operons?) - CORRECT ANSWER In prokaryotic amino acid operons Do prokaryotic mRNA ALWAYs encode trans-acting factors? - CORRECT ANSWER No Which of the following statements is t...

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 ...

Urine culture with UTI Correct answer- 100.000 colonies in asymptomatic: bacteruria 10 - 10.000 colonies in symptomatic patients but also pyuria pyuria: more than 10 leukocytes elevated erythrocytes with pyelonephritis WBC in urine false positive with tumor, urethritis and poor collection technique Repeat in pregnant women Lower urinary tract UTI and upper urinary tract UTI Correct answer- bladder and urethra: cystitis/ urethritis/ prostatitis kidney and ureters: pyelonephritis/ renal abcess Unc...

Which of the following processes in the cell cycle would be most likely to be affected by loss of the molecular motor myosin II? - Cell division Which of the following conditions would block cytokinesis? - Inhibition of the translocation of GEF protein to the midbody Which of the following is NOT a feature of cells undergoing apoptosis? - Ligation of DNA fragment Which of the following genetically engineered proteins could protect cells from activating the cell-extrinsic pathway of prog...

UTHSC Fall 2022 D2 Par 2 Pathology Normally, hydrostatic and osmotic forces are balanced T/F, T/F Normally, a lot net movement of fluid out of vessels, all are removed by lymphatic vessels False, normally a little movement out True Disruption in the balance between Hydrostatic Pressure (HP) and colloid osmotic Pressure(COP) causes movement of fluid out of or into the vessel Hydrostatic Pressure (HP) force exerted by fluid pressing against wall, blood fluid being pushed out of the vessel...

Test Bank For Applied Pathophysiology for the Advanced Practice Nurse 1st Edition By Lucie Dlugasch, Lachel Story 9781284150452 Chapter 1-14 Complete Guide . Protein hormones and enzymes are stored in the __________, awaiting signals to be released into the cell. A) food vacuole B) Golgi complex C) rough endoplasmic reticulum D) secretory vesicles Ans: D Complexity: Easy Ahead: Basic Cell Function and Structure Subject: Chapter 1 Title: Cellular Function 2. Low serum albumin levels (h...

NRNP 6550 Final Exam Questions and Answers Latest 2023/2024 Graded A+. Lower urinary tract UTI and upper urinary tract UTI Correct answer- bladder and urethra: cystitis/ urethritis/ prostatitis kidney and ureters: pyelonephritis/ renal abcess Uncomplicated and complicated uti Correct answer- Uncomplicated: in normal working urinary tract Complicated: defects in urinary tract or with other health problems Common pathogens for UTI Correct answer- E.coli (elderly women) Staphylococcus prote...