Which layer of the eye completely surrounds the eye except for a dark, round opening called the pupil?

sclera

cornea

retina

choroid

What range of ratios could indicate that a gene was not expressed in cancerous tissue, but was expressed in healthy tissue?

Which organelle ensures that after cell division each daughter cell has the correct number of chromosomes?

The normal post-void residual urine in the bladder is a. 250 to 300 mL. b. none of these; non normal residual volume is identified. c. 150 to 200 mL. d. less than 100 mL.

Darwin's finches came from a mainland species where some individuals were able to move to the islands and then spread from one island to another.

Hot lava cooling and hardening is an example of

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.

A certain metabolic pathway can be diagrammed as, where a, b, c, d are the intermediates, and x, y, z are the enzymes that catalyze the reactions

A client has activated the complement system during an inflammatory response to an injury. when planning care, which information should the nurse remember about which substance activates complement?

Which of the following is a product of the Krebs cycle glucose oxygen carbon dioxide or lactic acid?

What's the role of the complement in the phagocytosis?