Many organisms live in and on the human body. state which type of symbiotic relationship exist between human host and the following types of micro organisms
a. plasmodium which causes malaria
b. bacteria in the gut which supply the body with vitamin k

Which animal is a producer in this ecosystem

Describe the two types of vascular tissue

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.