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:

Seeds

The reproductive unit of many plants, capable of developing into another such plant.

Fruits

The seed-bearing structures in flowering plants formed from the ovary after flowering.

Cytoplasmic Division

This refers to the process during cell division where the cytoplasm of a single eukaryotic cell is divided into two daughter cells.

Megaspore

A large spore that develops into a female gametophyte in plant species that have alternation of generations, like ferns and flowering plants.