Siderophores are bacterial proteins that compete with the host's: . antibodies. b. iron-transport proteins. c. white blood cells. d. red blood cells. e. receptors.

The correct answer is iron-transport proteins

Explanation:

Siderophores are proteins produced by bacteria, and compete with the host's iron-transport proteins. They aim to bind and "hijack" the host's cell iron molecules for their own pathogenic cell processes

i believe the correct answer is d

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.