What is the name of the polysaccharide produced by animals and stored in the liver and muscle?

What kinds of molecules can pass through the cell membrane without any problem?

The basic kind of life cycle found in the simplest animals is: haplontic or diplontic

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome