Antibiotics are choose one: a. usually human made. b. effective against all pathogens. c. sometimes overprescribed. d. used to treat viruses exclusively.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

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?

Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?