Although they have a diversity of structures, all members of this group of organic molecules are
primarily nonpolar and thus water-insoluble.
a. proteins
b. lipids
c. nucleic acids
d. carbohydrates
e. amino acids
B
You might also like to view...
This phylum of nonvascular plants has about 100 known living species. They produce hornlike
sporophytes, and they are the only land plants whose chloroplasts contain alga-like protein bodies called pyrenoids.
a. Hepatophyta b. Pterophyta c. Bryophyta d. Lycophyta e. Anthocerophyta
Which one of the following organelles is involved in the production of proteins that are exported from the cell?
A) rough endoplasmic reticulum B) lysosome C) mitochondrion D) smooth endoplasmic reticulum E) centriole
The peripheral nervous system consists of the brain and spinal cord
Indicate whether the statement is true or false
All of the following are protective factors of the skin and its secretions EXCEPT
A) keratin. B) tightly packed cells. C) lysozyme production. D) pyocyanin production. E) salt.