Which kind of DNA should provide the best molecular clock for gauging the evolutionary relatedness of several species whose common ancestor became extinct billions of years ago?

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#Question id: 24492

#Unit 3. Fundamental Processes

Splice sites are directional in nature. 5’ splice site -the left, or donor, site and the 3’ splice site - right, or acceptor, site. So, in below table the complex and their events are given match them correctly .

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#Question id: 1820

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of histamine?

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#Question id: 34154

#Unit 7. System Physiology – Animal

Which organelle is particularly abundant in adrenal cortex cells due to its role in steroid hormone synthesis?

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#Question id: 15754

#Unit 12. Applied Biology

Match the following:

Column I                      Column II

I Alkaloids                  P. Digoxigenin

II Terpenoids             Q. Menthol

III Quinones               R. Anthocyanins

IV Steroids               S. Anthraquinones

                                   T. Morphine

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#Question id: 32248

#Unit 2. Cellular Organization

The basis for different binding affinity between the KDEL receptor and the KDEL sequence in the ER & golgi is due to:

a. the lower pH in the Golgi 

b. the higher pH in the Golgi 

c. the lower pH in the ER

d. the higher pH in the ER