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TLS Online TPP Program

#Question id: 4624

What was the prevailing notion prior to the time of Lyell and Darwin?

#Unit 11. Evolution and Behavior

  1. Earth is a few thousand years old, and populations are unchanging.

  2. Earth is a few thousand years old, and populations gradually change.

  3. Earth is millions of years old, and populations rapidly change.

  4. Earth is millions of years old, and populations are unchanging.

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TLS Online TPP Program

#Question id: 12800

#Unit 10. Ecological Principles

Tropical grasslands with scattered trees are also known as
TLS Online TPP Program

#Question id: 1986

#Unit 4. Cell Communication and Cell Signaling

The following events occur when a mammalian immune system first encounters a pathogen. Which shows the correct sequence in which they occur?

I.   Pathogen is destroyed.

II.  Lymphocytes secrete antibodies.

III. Antigenic determinants from pathogen bind to antigen receptors on lymphocytes.

 IV.  Lymphocytes specific to antigenic determinants from pathogen become numerous.

V.   Only memory cells remain.
TLS Online TPP Program

#Question id: 26488

#Unit 3. Fundamental Processes

rRNA are encoded by two type of RNA pol. RNA pol I and RNA pol III in which 5.8s rRNA is encodes by …………. While 5s rRNA encoded by …
TLS Online TPP Program

#Question id: 28624

#Unit 2. Cellular Organization

Ubiquitin protein-ligases APC/CCdc20  performs various functions such as  
a) Degradation of geminin
b) Degradation of securin
c) Induce degradation of B-type cyclin
d) Allows chromosomal separation
Which of the following is incorrect about APC/CCdc20
TLS Online TPP Program

#Question id: 2568

#Unit 2. Cellular Organization

A mutation that disrupts the ability of an animal cell to add polysaccharide modifications to proteins would most likely cause defects in which of the following organelles or structures?