Indicate Whether Each of the Following Descriptions Better Applies to Cellulose

question 29

Short Answer

Indicate whether each of the following descriptions better applies to cellulose microfibrils (C) or pectins (P) in plant cell walls. Your answer would be a five-letter string composed of letters C and P only, e.g. CPPPP.
( ) It is made into a network by cross-linking glycans.
( ) It is particularly abundant in the middle lamella.
( ) Divalent ions such as calcium can cross-link it to form gels.
( ) It forms more homogeneous polymers.
( ) It contains many negatively charged galacturonic acid units.

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Definitions:

Cuticle

The cuticle is a protective and waxy or hard outer layer found on the surface of plants, hairs, nails, and other surfaces, serving as a barrier against environmental damage.

Medulla

A section of the brainstem that controls vital bodily functions such as heartbeat and breathing.

Hair Root

The part of the hair located below the surface of the epidermis.

Hair Shaft

The visible part of the hair that extends above the skin surface, made of keratin and dead skin cells.