Which of the following choices is not part of a grain?
a. germ
b. pectin
c. bran
d. husk

The correct answer is B - Pectin.

Pectin is not part of a grain.

A grain is composed of :

1. Bran - outer layer of  a grain and it contains fiber, B-Vitamins and antioxidants.

2. Endosperm - middle largest layer containing mostly carbohydrates and protein  as well as small amounts of vitamin B and minerals.

3.Germ - it is the inner component of the grain and contains antioxidants, phytochemicals, B vitamins and healthy fats.

4. Husk or hull - this is the outer shell or coating of seed and which plays a protective role in protecting the inner contents of the seed.

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.