Some statements regarding C2, C3, C4 and CAM plants

a.) For Sucrose synthesis after C2 C3 and C4 cycle having different procedure

b.) C4  cycle reduces occurrence of C2 which is thermodynamically very expensive and toxic by increasing the assimilation of CO2 at high temperature almost at 35⁰ C

c.) C4 plant is generally found in near to equator  and they are more abundant than C3 plant

d.) In Dark when stomata are closed and CO2 not assimilated in the CAM plants

Which of the following statements from above combination is true?

TLS Online TPP Program

#Question id: 28393

#Unit 5. Developmental Biology

The mechanism for this “bottom-up” specification of the frog embryo resides in a set of mRNAs that are tethered to the vegetal cortex. This includes the mRNA such as___

TLS Online TPP Program

#Question id: 28394

#Unit 5. Developmental Biology

the mRNA for the transcription factor VegT, which becomes apportioned to the vegetal cells during cleavage. VegT is critical in generating which of the following lineages?

TLS Online TPP Program

#Question id: 28395

#Unit 5. Developmental Biology

One of the genes activated by VegT protein encodes the Sox17 transcription factor , these sox17 transcription factor is critical for which functions?

TLS Online TPP Program

#Question id: 28396

#Unit 5. Developmental Biology

VegT is critical in generating the germ cells, two genes activated by VegT protein that encodes the transcriptional factor as well as paracrine factors that instruct the cell layers to become their fate. which of the following statements is incorrect?

a) Sox17 paracrine factor that specify cells to be endoderm

b) Nodal transcription factors that instruct the cell layers above them to become mesoderm

c) Nodal paracrine factors that instruct the cell layers above them to become mesoderm

d) Sox17 transcription factor that specify cells to be endoderm

TLS Online TPP Program

#Question id: 28397

#Unit 5. Developmental Biology

During the specification of amphibian axes, in the absence of any induction cell leads to become which of the following fate?

TLS Online TPP Program

#Question id: 28398

#Unit 5. Developmental Biology

Spemann referred to the dorsal lip cells and their derivatives as the organizer, these derivatives cells are___