True or False: Stem cells can only be found in adult bone marrow.

Choose the most accurate description of China today. A) China remains Communist but is also a major economic power. B) China is no longer Communist but is a major economic power. C) China remains Communist but is not a major economic power.

What could prevent genetic trait from becoming an adaptation

Why is the surface area of the small intestine so high compared to the stomach?

How do ocean currents affect temperature? Check all that apply

Which type of exercise most likely causes human muscle cells to perform anaerobic respiration?

What is always true of scientific practices a. They prove a hypothesis to be correct b. They involve steps performed in the same order c. They seek to produce verifiable data d. They lead to the same interpretation

Which statement is true about the scientific method

How do cells correct errors in DNA that would disrupt their function

Which is true of oxidation? a) It is a physical process b) No change occurs in the makeup of rock c) Rocks weather at different rates d) Water freezes in cracks in rock

What is the function of the pigment molecules in a light-harvesting complex in the thylakoid membranes?