Mutagen - Study guides, Class notes & Summaries

ADVANCED PATHOPHYSIOLOGY- UTMB 5355 EXAM #1 Questions And Answers ( Verified ) Transcription - ANS synthesis of RNA from DNA Transcription results in - ANS mRNA RNA polymerase makes - ANS mRNA mRNA - ANS makes proteins RNA polymerase - ANS binds to DNA Transcription factors (TFs) - ANS A regulatory protein that binds to DNA and affects transcription of specific genes. Can wither activate or repress expression of genes Termination of transcription - ANS RNA poly...

OSHA 30 - Final Exam - General Industry Questions and Answers Rated A+ OSHA defines a confined space in general industry as: Having limited or restricted means for entry and exit Energy control programs involve all these integral steps EXCEPT: Energy conversion What is the most effective way of limiting occupational radiation exposure? Reduce the amount of radiation at its source Which one of the following actions is prompted by the sound of an emergency alarm? Initiate the EAP ...

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...

Section 1910 of title 29 of the Code of Federal Regulations The identifier 29 CFR 1910 refers to? National Institute of Standards and Technology Which agency within the Department of Commerce is responsible for conducting research and developing codes and standards for fire protection and prevention, fire equipment, fire behavior, and consumer and building product safety? Directories of state agencies Red books and blue books contain? Training of new employees Detailed s...

What would be the effect of a mutation in the HIV-1 reverse transcriptase gene that decreased the rate of mismatches? correct answers Any decrease in the error rate of HIVRT would result in an overall decrease in the rate of viral mutations. This would probably not be an advantage for the virus, as the relatively high error rate often helps to thwart the use of antiviral drugs. Approximately how many ATP are required by helicase for the replication of the E. coli chromosome? correct answers B...

1. A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - homicide 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. raccons. - skunks 4. Asbestosis is caused by fine silicate fibers r...

OSHA 30 - Final Exam Questions| Answers 20/20. 1. OSHA defines a confined space in general industry as: 2. Energy control programs involve all these integral steps EXCEPT: 3. What is the most effective way of limiting occupational radiation exposure? 4. Which one of the following actions is prompted by the sound of an emergency alarm? 5. The _____ range of a vapor or gas within which combustion will occur is called the flammable range. 6. What is a mutagen? 7. Inhaling for...

Ordinarily, the cell operates in an orderly fashion under the influence of the a. genetic code. b. outside environment. c. endoplasmic reticulum. d. nutrients taken into the cell. correct answersANS: A Cell operation is guided by a cell's genes and genetic code. The point at which a mutagen causes irreversible damage to DNA is referred to as a. neoplasms. b. promotion. c. initiation. d. progression. correct answersANS: C Initiation is the point at which a mutagen causes irr...

REHS exam 1. A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - correct answer carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - correct answer homicide 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. raccons...

REHS Exam Questions And Answers 1. A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - ANS carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - ANS homicide 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. ra...