The cuticle is made of a waxy material. suggest an advantage to a plant of this feature

The waxy cuticle stores the moisturizer of leaves by preventing the loss of water.

Explanation:

A primary function of the leaf's waxy cuticle is to reduce water loss through the leaves, which is particularly important in arid deserts with little rainfall or Mediterranean climates with seasonal rainfall

this protocol provides a detailed procedure for agarose-based ip to purify and enrich the protein of interest.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d