Of the 20 standard amino acids, only ___________ is not optically active.  The reason is that its side chain ___________.

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#Question id: 13232

#XL - R Botany

Plants that develop root pressure frequently produce liquid droplets on the edges of their leaves, a phenomenon known as

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#Question id: 13233

#XL - R Botany

Tracheids are

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#Question id: 13234

#XL - R Botany

Some roots can develop positive hydrostatic pressure in their xylem is called

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#Question id: 13552

#XL - R Botany

Transpiration from the leaf depends on two major factors;

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#Question id: 13554

#XL - R Botany

The microscopic stomatal pores provide a pathway for diffusional movement of gases across the epidermis and cuticle

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#Question id: 13980

#XL - R Botany

The alignment of the cellulose microfibrils in the guard cell is