can you answer my questions nyc?ass.kckcc.edu/webapps/assessment take/launch.jsp

Question

can you answer my questions

nyc?ass.kckcc.edu/webapps/assessment take/launch.jsp?course-assessment id? 1 1 2537-1 &course; id--25 175 1 &content; idt! QUESTION 26 A gene that is continually transcribed is called inducible. A. True O B. False QUESTION 27 One of the disadvantages of using bolling water to sterilize is its inabilty to kill spores. A. True OB. False QUESTION 28 In the Ames test, a chemical causes the mutation of Salimonella. This means that the chemcal is carcinogenic. O A. True O B. False QUESTION 29 Which of the following is not a base of DNA? O A. Adenine O B. Cytosine O C. Guanine D. Thymine E. Uracil QUESTION 30 If DNA from a dead cell is incorporated into a live cell and the resulting cell is changed, the process is: OA. Transcription B. Translation . C. Transformation D. Transduction OE Conjugation Click Save and Submit to save and submit. Click Save All Answers to save all answers

Explanation / Answer

26. False

Explanation: Genes that are continuously being transcribed are called as Constitutive genes but not inducible genes. Hence, the given statement is false.

27. True

Explanation: Boiling water at 100 celsius for 30 minutes kills only the non spore forming microorganisms and and the water can still be recontaminated with microorganisms. Hence, the given statement is true.

28. True

Explanation: Ames test is an inexpensive and quick method to screen the mutagenic nature of a chemical by observing the mutation causing ability in the microorganims like Salmonella, E.coli etc.

29. E. Uracil

Explanation: Uracil is present in RNA in the place of thymine (seen in DNA), along with Adenine, Guanine, Cytosine

30. C. Transformation

Explanation:

Transformation take place when DNA released by dead bacteria is taken up by a living bacterium and incorporates into its chromosome. It is demonstrated by Griffith by experiments on Streptococcus pneumoniae.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.