3

31.

34

36.

094

Select the false statement about cyclins

( Cyclins regulate the activity of M-phase kinase

B) Cyclins are degraded ra when the cell enters mitosis

¢ re are several families of cyclins that differ in amino acid sequence and in their
roteins

(D) Cyelins are it a constant steady state level throughout the cell cycle

s most likely to happen if there is more than one tunica layer in

Only the outer layer will develop into epidermal cell
AlL the 181079 will develop into epidermal cell

(യ All the layers will develop into cortex

r develop into cortex

a fully turgid cell
A) DPD=OF (8) DPD-TP (©) ௦-௦

(D) DPD=

Which of the following statement is correct ?

५) DNA repair system typically work in three major steps - detection of error, remov
the abnormality, and replacernent of the removed DNA

(൫) Luria-Delbruck fluctuation test was designed to differentiate between appcarance of a
trait due to random, spontaneous mutations appearance of the trait due to adaptatior
- ental conditi

mutation leadir

s of an exon can affect production of regions of the
ream exons even if they are spliced correctly

protein encoded in downs

(D) All the above

s only in

Genetic drift vpesat
(ಗೌ) Smaller population (B) Mendalian population
) lLarger population (D) Island population

nterferons are *

steins released by the cells in response to viral infection

cin molecules which render unattacked cells susceptible to viral attack
ific type of immunoglobulin
Both (A) and (B)

Cell wall with peptidoglycan is a characteristic constituent of

^) Eubacleria and cyanobacteria

3 ubacteria and unicellular eukaryotes
(യ All members of monera and protista
(12) Archaebacteria and eukaryotes
2018 6