Plant Biochemistry

Question 1

Iridoid

Answer 1

Defensive compounds found in many plants

Question 2

Raphide

Answer 2

Needle-like crystals of calcium oxalate that occur in bundles in the vacuoles of some plant cells.

Question 3

Isoflavans

Answer 3

Estrogenic substance in plants

Question 4

Galactans

Answer 4

Polymer composed of Galactose residues that occurs in plants

Question 5

Farinaceous

Answer 5

Containing starch

Question 6

Ethereal Oils

Answer 6

An ethereal oil is a concentrated hydrophobic liquid containing volatile aroma compounds from plants.

Question 7

Mealy

Answer 7

Covered in coarse flour like powder, sometimes due to collapsed hairs

Question 8

Xyloglucan

Answer 8

Hemicellulose found in primary cell walls of all vascular plants.

Question 9

Limonoids

Answer 9

Photochemical found in citrus fruits hat may have therapeutic effects

Question 10

Glucosides

Answer 10

Molecules where sugar is bound to another functional group via a glycosidic bond. Many plants store chemicals in the form of inactive glycosides; when hydrolyzed the protein can be used.