Extensive shortening of telomeres eventually leads to 

TLS Online TPP Program

#Question id: 31084

#Unit 4. Cell Communication and Cell Signaling

Opening of IP3-gated Ca²⁺ channels in the endoplasmic reticulum leads to an increase in Ca²⁺ in the:

a) Cytosol

b) ER lumen

c) Mitochondrial matrix

d) Trans golgi

Which of the following is correct?

TLS Online TPP Program

#Question id: 5305

#Unit 11. Evolution and Behavior

After finding a new medicinal plant, a pharmaceutical company decides to determine if the plant has genes similar to those of other known medicinal plants. What would annotation of the genome of this plant allow the company to determine?

TLS Online TPP Program

#Question id: 18960

#Unit 13. Methods in Biology

cDNA library do not require very large vectors hence which of the following is commonly used in cDNA library

TLS Online TPP Program

#Question id: 33482

#Unit 2. Cellular Organization

Find true and false statements

A. In general, mutations occur at the same rate in both exons and introns, 

B. Exon mutations are eliminated more effectively by selection.

C. Introns may more freely accumulate point substitutions and other changes.

TLS Online TPP Program

#Question id: 24547

#Unit 9. Diversity of Life Forms

___________complicates building the phylogeny for a group of species.