Choose the answer that best describes a gene.

A. different allele forms of a trait

B. tightly coiled strands of DNA

C. the center of a chromosome

D. a segment of chromosomal DNA

A subject, with eyes closed, repeatedly contracts a muscle until fatigue occurs. When the eyes are opened, tension is restored. This experiment is a demonstration of fatigue being related to which of the following sites? a. central nervous systemb.

A mushroom is a? a. fruiting body b. lichen c. mycelium d. hypha

A patient with single lung transplantation has a body temperature of 99° f, fatigue, shortness of breath, and an oxygen saturation level of 80 percent. which treatment may comfort this patient?

You find a multi-legged animal in your garden and want to determine If it is a centipede or a millipede. You take the animal to a university where a myriapodologist quilckhy tells you that you've found a centipede. Which otA. total segmentation B.

What are three organisms in the web and explain how they would be affected,

Which two body systems interact to expel the waste product carbon dioxide?

How does the success of an invasive species depend on its placement in its new food web?

Carbon is an organic element found in all life forms. Which of the following occurs through the process of breaking down carbon-based molecules? Water molecules are transferred through the body. Elimination of waste products occurs.

If a car is going 20 mph and the truck is going 60mph which vehicle is going to get there first

Which transport process always involves the movement of materials from inside the cell to outside the cell? A. phagocytosis B. endocytosis C. exocytosis D. diffusion