Steroids, cholesterol, and wax are all examples of what

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

How secretion and excretion both are different? explain in simple language.

Which of the following would you not find in a bacterial cell? dna cell membrane golgi apparatus ribosomes