Which of the following protists have shells?

A) amoebas

B) radiolarians

C) foraminiferans

D) all the above

Does apt synthase change adp to ATP when light energy passes through it

What structure most directly stimulates a skeletal muscle fiber to contract?

A client is admitted to the psychiatric unit wearing evening clothes. during the first 24 hours the client paces continually and laughs loudly. when approached by the nurse, the client refuses to cooperate with any requests, shouting, "i'm in charge.

Are there any similarities between simple diffusion and active transport?

Which of these describes a divergent boundary? a) two plates moving away from each other and forming a rift valley b) two oceanic plates rubbing against each other, forming a mid-ocean ridge c) two continental plates colliding, forming a mountain

Virtual lab which cancer shows the most aggressive growth

What is the main role if the hormones

How do predator & prey populations interact with each other? (In terms of population size.)

What is the source of the infection Cyclospora? How did the biological characteristics of the pathogen influence you conclusion?

Why do cells in meiosis need to be different from those produced during mitosis?