Following statements are regarding to cancer stem cell (CSCs).

a. A representative subpopulation of cancer cells with peculiar molecular aspects that resemble some of those typical of normal stem cells.

b. These cells are capable of replenishing the repertoire of identical cancer cells.

c. These cells cannot create heterogeneous progeny that differentiate into more mature cells.

d. These cells show extraordinary proliferative potential.

e. These cells show excessive programmed cell death.

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 29093

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services

I-Elton’s hypothesis

II-rivet hypothesis

III-Redundancy hypothesis

IV-Keystone hypothesis

V-Idiosyncratic hypothesis

a) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

b) Community services change as the number of species increases or decreases

c) there is a linear correlation between species richness and community services

d) species is an organism that helps hold the system together

e)Some species play a small but critical role in keeping the plane

Correctly match the following hypothesis with their correct  prediction;

TLS Online TPP Program

#Question id: 32219

#Unit 2. Cellular Organization

The transferrin dimer carrying two bound atoms of Fe³⁺, called ferrotransferrin, binds to the transferrin receptor at:

TLS Online TPP Program

#Question id: 2275

#Unit 2. Cellular Organization

A gram-negative bacterium is enclosed by

TLS Online TPP Program

#Question id: 11115

#Unit 7. System Physiology – Animal

The nasal cavity is separated from the oral cavity by:

TLS Online TPP Program

#Question id: 27569

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the most prominent type of interaction found between two molecule of water