Which is a defining characteristic that all protobionts had in common?

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#Question id: 1915

#Unit 4. Cell Communication and Cell Signaling

Of the following, which is the cadaveric organ with the best survival 5-years post-transplant?

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#Question id: 19694

#Unit 13. Methods in Biology

How to calculate heart rate from ECG?

a. by counting the number of QRS complexes

b. by counting the number of R Waves

c. by counting the number of P Waves

d. by counting the number of T Waves

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#Question id: 1269

#Unit 4. Cell Communication and Cell Signaling

Which of the following constituents are not found in most basal laminae?

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#Question id: 27068

#Unit 1. Molecules and their Interaction Relevant to Biology

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration, choose the correct option regarding the given fig.

1. a is D-threonine is (2S, 3S) threonine

2. b is L-threonine is (2R,3S) threonine

3. a is L-threonine is (2S, 3R) threonine

4. b is D-threonine is (2R,3S) threonine

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#Question id: 12030

#Unit 7. System Physiology – Animal

A significant contribution of intestinal bacteria to human nutrition is the benefit of bacterial: