Which is associated with defect in DNA repair___________?

Related Mcqs:

1. A infant with cleft lip, palate, polydactly, microcephaly with holoprosencephaly, ectodermal scalp defect is suffering from ?

   A. Trisomy 21
   B. Trisomy 18
   C. Trisomy 13
   D. Turner syndrome

2. Which of the following viruses are most likely to cross placenta and cause foetal defect ?

   A. Herpes Simplex
   B. Mumps
   C. Rubella
   D. Papilloma

3. Hypopigmentation, gray streaks of hair, degranulation defect of neutrophils and neuropathy are seen in_____________?

   A. alukemic leukemia
   B. chronic granulocytic leukemia
   C. lazy leukocyte syndrome
   D. Chediak higashi syndrome

4. The most common congenital defect of the face and jaws is___________________?

   A. Macrostomia
   B. Fetal alcohol syndrome
   C. Cleft lip and palate
   D. Ectodermal dysplasia

5. Synthesis of DNA occurs in which phase ____________________?

   A. G1
   B. S
   C. G2
   D. M

6. Synthesis of DNA occurs in Which phase of cellAcycle________________?

   A. Mitosis – M phase
   B. Gap – G2 phase
   C. Gap – G1 phase
   D. Synthesis – S phase

7. In a DNA molecule adenine always forms a linkage with______________?

   A. Guanine
   B. Cytosine
   C. Thymine
   D. Uracil

8. Which of the following process in involved in conversion of DNA to RNA___________?

   A. Conjugation
   B. Transduction
   C. Translocation
   D. Transcription

9. Denaturation of double stranded DNA involves_______________?

   A. It gets broken down to nucleotides
   B. It becomes single stranded reversibly
   C. It becomes single stranded irreversibly
   D. It becomes double stranded irreversibly

10. An enzyme that makes a double stranded DNA copy from a single stranded RNA template molecule is known as____________?

    A. DNA polymerase
    B. RNA polymerase
    C. Reverse transcriptase
    D. Phospho kinase