The differentiated cells divide but maintain their differentiated functions. The new cells do not come from stem cells, nor do they come from the dedifferentiation of the adult cells. Each cell produces cells similar to itself; no mass of undifferentiated tissue forms. This type of regeneration is:

TLS Online TPP Program

#Question id: 12876

#General Aptitude

A cylindrical vessel of diameter 24 cm contains some water. If two spheres of radii 6 cm each are lowered into the water until they are completely immersed,then the water level (in cm) in the vessel will rise by

TLS Online TPP Program

#Question id: 8295

#Unit 9. Diversity of Life Forms

Imagine that a phylogeny was developed for a group of mammals based on bone structure. Which of the following statements would be a reasonable prediction about a phylogeny for the same group of species based on similarities and differences in the structure of a particular enzyme?

TLS Online TPP Program

#Question id: 12593

#Unit 10. Ecological Principles

Use the following diagram of five islands formed at around the same time near a particular mainland and MacArthur and Wilson's island biogeography principles to answer the following questions.

Which island would likely exhibit the most impoverished species diversity?

TLS Online TPP Program

#Question id: 4801

#Unit 8. Inheritance Biology

You set up a mapping cross involving two genes in Aspergillus and determine the following percentages of tetrad types: parental ditype 51%, nonparentalditype 49%. What can you say about your genes?

TLS Online TPP Program

#Question id: 5067

#Unit 5. Developmental Biology

The yolky eggs of birds undergo: