Hemi-acetals and hemi-ketals are in equilibrium with linear species of monosaccharides, illustrated as Fischer Projections. When reactions between a hemi-acetal or hemi-ketal and a second hydroxyl group occurs, acetals or ketals are formed, which can cause the ring structure of a sugar, illustrated as a Haworth projection, to become unstable. a) true
b) false

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.

anthropod traits:

a well-developed collarbone

rotating shoulder joints

partially rotating elbow joints

opposable thumb

similar dental formula