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TLS Online TPP Program

#Question id: 5080

As cleavage continues during frog development, the size of the blastomeres:

#Unit 5. Developmental Biology

  1. increases as the number of the blastomeres decreases

  2. increases as the number of the blastomeres increases

  3. decreases as the number of the blastomeres increases

  4. decreases as the number of the blastomeres decreases

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TLS Online TPP Program

#Question id: 11059

#Unit 7. System Physiology – Animal

A healthy, 45-year-old man is reading the newspaper. Which of the following muscles are used for quiet breathing?
TLS Online TPP Program

#Question id: 6971

#Unit 5. Developmental Biology

Neural crest cells taking the dorso-lateral route will become:
TLS Online TPP Program

#Question id: 1381

#Unit 4. Cell Communication and Cell Signaling

Match each definition with given terms

1. Large family of structurally related, secreted, dimeric proteins that act as hormones and local mediators to control a wide range of biological functions in all animals.

A. Rho

2. Cell-surface receptor in which the cytoplasmic domain either has enzymatic activity itself or is associated with an intracellular enzyme.

B. TOR pathway

3. A crucial signaling protein in the PI-3-kinase–Akt signaling pathway, so named because it is the target of rapamycin.

C. Enzyme-coupled receptor

4. A kinase that is involved in intracellular signaling pathways activated by cell-surface receptors and that phosphorylates inositol phospholipids at the 3 position of the inositol ring.

D. Phosphoinositide 3-kinase

5. A group of monomeric GTPases that regulate both the actin and microtubule cytoskeletons.

E. (TGFβ) superfamily

6. Cytoplasmic tyrosine kinase present at cell–matrix junctions in association with the cytoplasmic tails of integrins.

F. Focal Adhesion Kinase

TLS Online TPP Program

#Question id: 12391

#Unit 6. System Physiology – Plant

Which of the following processed are involve in cell enlargement in plant?
a) Osmotic uptake of water across the plasma membrane is driven by the gradient in water potential (∆Yw)
b) Turgor pressure builds up because of the rigidity of the cell wall
c) Biochemical wall loosening occurs, allowing the cell to expand in response to turgor pressure
TLS Online TPP Program

#Question id: 11547

#Unit 7. System Physiology – Animal

A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?