12. Unlike smooth muscle, cardiac muscle is A. responsible for movement of food within the digestive tract. B. found in the wall of hollow parts of the human body. C. connected by gap junctions. D. striated.

What happens to the carbon dioxide produced by cellular respiration? A. It is reused by the body as glucose. B. It is excreted from the body as liquid waste. C. It is excreted from the body as solid waste. D.

Why are electrical signals in the body are often based on ions?

The pedigree below concerns a certain rare disease that is incapacitating but not fatal. Determine the most likely mode of inheritance of this disease. Write the genotype of each family member according to your proposed mode of inheritance.

B) Decide if the following statements about gas exchange in the lungs are True or False and tick (✓) the appropriate box.

Explain the process that causes day and night

In which large group of cells does most of the photosynthesis occur in a leaf?

What do you predict would happen if the yeast had a mutation that prevented the g protein from binding gtp? what do you predict would happen if the yeast had a mutation that prevented the g protein from binding gtp?

Write TWO specific examples of how you can reuse, reduce, and recycle on the lines provided.

Are fertilized egg haploid or diploid?

when you are forming memories the neurons and the connections between them strengthen. This is called: