Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 6040
TLS Online TPP Program

#Question id: 7240

Given below are the list of some organism (column A) and determination of their dorsal-ventral axis (column B)

S.No.

Organism

(Column A)

S.No

Determination of dorsal ventral axis

(Column B)

A.

Chick

i.

sperm entry point and cortical rotation

lead to specification of dorsal side opposite the

point of sperm entry

B.

Zebrafish

ii.

initial symmetry-breaking event unknown.

Localization of maternal Ndr1 and nuclear b -catenin species dorsal side and position of organizer

C.

Xenopus

iii.

interaction between inner cell mass

and trophectoderm

D

Mouse

iv.

posterior marginal zone specifies ventral end

of dorso-ventral axis

 Choose the correct option:

#Unit 5. Developmental Biology
  1. A-iv, B-ii, C-i, D-iii
  2. A-ii, B-i, C-iii, D-iv
  3. A-i, B-ii, C-iii, D-iv
  4. A-iv, B-iii, C-I, D-ii
More Questions
TLS Online TPP Program

#Question id: 1486

#Unit 4. Cell Communication and Cell Signaling

Removal of a cell from its substratum disrupts integrin signaling, leading to release of the BH3-only protein from the cytoskeleton, known as:
TLS Online TPP Program

#Question id: 1487

#Unit 4. Cell Communication and Cell Signaling

Two BH3-only proteins, are transcriptionally induced by the p53 protein, termed as:
TLS Online TPP Program

#Question id: 1488

#Unit 4. Cell Communication and Cell Signaling

 Which of the following proteins has been implicated in aneuploidy of cancer cells?
TLS Online TPP Program

#Question id: 1489

#Unit 4. Cell Communication and Cell Signaling

How might you distinguish between a malignant tumor and a benign tumor?
TLS Online TPP Program

#Question id: 1491

#Unit 4. Cell Communication and Cell Signaling

All cancer-causing agents identified thus far have what feature in common?
TLS Online TPP Program

#Question id: 1492

#Unit 4. Cell Communication and Cell Signaling

Cancer is said to be monoclonal. What does that mean?