Evidence of which structure or characteristic would be most surprising to find among fossils of the Ediacaran fauna?

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#Question id: 1602

#XL - S Microbiology

Following are some of the characteristics of MHC 1 and MHC 2 both , except 

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#Question id: 371

#XL - Q Biochemistry

How many milliliters of a 2.0 M solution of boric acid must be added to 600 mL of a solution of 10 mM sodium borate in order for the pH to be 9.45? (pKa of boric acid = 9.24)

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#Question id: 1753

#XL - Q Biochemistry

In the germinal center, B-cells become memory cells under the influence of:

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#Question id: 10956

#XL - T Zoology

The coagulation pathway that begins with tissue thromboplastin is

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#Question id: 28120

#XL - U Food Technology

What is the purpose for blanching (immersing food in hot water) vegetables during canning?