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TLS Online TPP Program

#Question id: 12571


Although extinction is a natural process, current extinctions are of concern to environmentalists because

#Unit 10. Ecological Principles
  1. More animals than ever before are going extinct.
  2. Most current extinctions are caused by introduced species. 
  3. The rate of extinction is unusually high
  4. Current extinction is primarily affecting plant diversity.

Answer:- Option(s): 3


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TLS Online TPP Program

#Question id: 2077

#Unit 2. Cellular Organization

In receptor-mediated endocytosis, receptor molecules initially project to the outside of the cell. Where do they end up after endocytosis?

TLS Online TPP Program

#Question id: 2079

#Unit 2. Cellular Organization

According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly

TLS Online TPP Program

#Question id: 2080

#Unit 2. Cellular Organization

Which of the following factors would tend to increase membrane fluidity?

TLS Online TPP Program

#Question id: 2081

#Unit 2. Cellular Organization

The plasma membrane around a eukaryotic cell is composed of:

TLS Online TPP Program

#Question id: 2082

#Unit 2. Cellular Organization

Which of the cellular organelles are enclosed by two cellular membranes?

TLS Online TPP Program

#Question id: 2084

#Unit 2. Cellular Organization

Which two organelles are responsible for producing phospholipids and sphingolipids?

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