TLS Online TPP Program

#Question id: 28469


Which function is involved to the first differentiation event in mammalian development?

#Unit 5. Developmental Biology
  1. formation of the trophectoderm 
  2. formation of the inner cell mass
  3. formation of the trophoendoderm
  4. formation of the Blastocoel
More Questions
TLS Online TPP Program

#Question id: 2967

#Unit 2. Cellular Organization

G1 is associated with which of the following cellular events?

TLS Online TPP Program

#Question id: 2968

#Unit 2. Cellular Organization

What is the name of the microtubule-organizing center found in animal cells as an identifiable structure present during all phases of the cell cycle?

TLS Online TPP Program

#Question id: 2969

#Unit 2. Cellular Organization

In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit which of the following events in the cell cycle?

TLS Online TPP Program

#Question id: 2970

#Unit 2. Cellular Organization

Describe how Cdc14 triggers the exit from mitosis in the budding yeast, S. cerevisiae.

TLS Online TPP Program

#Question id: 2971

#Unit 2. Cellular Organization

Which one of the following is the most appropriate match?

Events

Protein

Phases

A. Cohesins are loaded onto chromosomes

I. Mei-S332/Shugoshin

 a. G1

B. Cohesins can dissociate from the DNA

II. Polo kinase and Aurora B kinase

b. G2

C. Prevents cohesin phosphorylation, and hence dissociation

III. Scc2-Scc4

c. S

D. Phosphorylation of cohesins

IV. Pds5-Wapl

d. M

TLS Online TPP Program

#Question id: 2972

#Unit 2. Cellular Organization

Match the following attachment (Column I) with definition(Column II).

Column I

Column II

A. Monotelic Attachment

I. When sister kinetochores attach to microtubules emanating from opposite spindle poles, they are stably attached.

B. Syntelic Attachment

II. When one kinetochore attaches to microtubules emanating from two opposite spindle poles.

C. Amphitelic Attachment

III. When both sister kinetochores attach to microtubules emanating from the same spindle pole.

D. Merotelic Attachment

IV. When only one of the two sister kinetochores attaches to microtubules.

Which of the following is correct?