Testosterone, estoregen, semen, testis is the hormone that triggers the production of sperm

The bacteria found in a soil is usually harmful and measure are taken to remove any traces of microorganisms 1. true 2. false

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

Which are reasons cells undergo cell division?