TLS Online TPP Program

#Question id: 5542


One stage of cleavage is the morula stage which is:

#Unit 5. Developmental Biology
  1. An embryo with 4 cells

  2. An embryo with a darkly pigmented vegetal hemisphere

  3. A collection of 16-32 cells resembling a raspberry

  4. A group of cells that do not undergo DNA replication

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TLS Online TPP Program

#Question id: 33275

#Unit 2. Cellular Organization

Which of the following is the central player in chromosome segregation?
a. Interpolar microtubules
b. Astral microtubules
c. K-fibers

TLS Online TPP Program

#Question id: 1259

#Unit 4. Cell Communication and Cell Signaling

Following statements are regarding to the phosphoinositide pathway.

A. many activated RTKs and cytokine receptors initiate phosphoinositide pathway by recruiting the enzyme phosphatidylinositol-3 kinase (PI-3 kinase) to the membrane.

B. PI-3 kinase adds a phosphate to the 3′ carbon in one of two separate phosphatidylinositol substrates, leading to formation of two phosphatidylinositol 3-phosphates: PI(3,4)P2 or I(3,4,5)P3

C. PI-3 kinase pathway can trigger cell division and prevent apoptosis, thus ensuring cell survival by the activation of PKB.

D. Activated PKB phosphorylates FOXO3a, which induces the expression of several antiapoptotic genes.

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 11692

#Unit 7. System Physiology – Animal

In the circulatory system of a fetus, which of the following is greater before birth than after birth ?

TLS Online TPP Program

#Question id: 11893

#General Aptitude

Let x be the smallest number, which when added to 2000 makes the resulting number divisible by 12, 16, 18 and 21. The sum of the digits of x is

TLS Online TPP Program

#Question id: 3774

#Unit 3. Fundamental Processes

Use the figure to answer the following question. Referring to the figure, what bases will be added to the primer as DNA replication proceeds?