Mucous membranes, non-intact skin, the gi, gu or respiratory tract are which link in the chain of infection?

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?