TLS Online TPP Program

#Question id: 28092


Component along with their thylakoids percentage in appressed and stroma exposed are given
Match them correctly

#Unit 6. System Physiology – Plant
  1. 1-a, 2-b, 3-c, 4-d

  2. 1-b, 2-c, 3-d, 4-a

  3. 1-c, 2-d, 3-b, 4-a

  4. 1-d, 2-c, 3-b, 4-a

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TLS Online TPP Program

#Question id: 11164

#Unit 2. Cellular Organization

Cellular membranes are self-sealing— if they are punctured or disrupted mechanically, they quickly and automatically reseal. What properties of membranes are responsible for this important feature?

TLS Online TPP Program

#Question id: 2438

#Unit 2. Cellular Organization

Rac, a GTPase superfamily protein,

a. is related to Ras.                             

b. may be activated by growth factors.

c. stimulates lamellipodia formation. 

d. stimulates filopodia formation.

e. stimulates stress fiber assembly.

TLS Online TPP Program

#Question id: 29015

#Unit 7. System Physiology – Animal

Which of the following enzyme converts 25-hydroxycholecalciferol to the active form, 1,25-dihydroxycholecalciferol?

TLS Online TPP Program

#Question id: 18082

#Unit 8. Inheritance Biology

The interaction of selection and inbreeding in determining the incidence of autosomal recessive diseases. Consider a gene in which recessive mutations occur at a rate of 10-5. Assume a selective disadvantage S of 0.4 in homozygotes for the recessive allele. Now assume that, for thousands of generations, 10% of all children have been products of first-cousin matings (the remaining 90% being products of random matings). Calculate the steady-state value of q. Also calculate the incidence of the disease at steady state. 

TLS Online TPP Program

#Question id: 26919

#Unit 10. Ecological Principles

Species cannot coexist permanently in a community, if_____