Which type of RNA is the most abundant in living cells (by percent)?

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#Question id: 2283

#Unit 2. Cellular Organization

Most cells are very small. A typical eukaryotic cell, both plant and animal, will occur in which of the following size ranges?

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#Question id: 12991

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statements

a. Secondary structures are stabilized by hydrogen bonds.

b. Hydrogen bond always formed between non bonded atoms.

c. the folded length of an amino acid in α-helix reduced almost 3 times than linear structure.

d. Only dihedral angle changes during the formation of secondary structure while bond length remains unchanged

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#Question id: 20846

#Unit 12. Applied Biology

Nitrate is energetically the best electron acceptor under anoxic conditions and is generally used preferentially by which type of microbes?

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#Question id: 17261

#Unit 7. System Physiology – Animal

In what stage of the General Adaptation Syndrome does your heart rate and blood pressure increase? 

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#Question id: 10189

#Unit 1. Molecules and their Interaction Relevant to Biology

A very common isotope substitution is when hydrogen is replaced by deuterium. This is known as a deuterium effect and is expressed by the ratio kH/kD (as explained above). Normal KIEs for the deuterium effect