Chondrocytes are to cartilage as osteocytes are to

The small cavities in bone tissue where osteocytes are found are called:

List one function of:   Neural tissues – [a]   Epithelial tissues – [b]  

Sebaceous glands release sweat to help control body temperature.

For the process of diffusion to occur, molecules must

Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?

Describe the activity of the enzyme A at pH 6.

A dehydrated runner drinks a lot of water after a race. They rehydrate because

ATP is made by substrate-level phosphorylation during which step of cellular respiration?

Jan Baptista van Helmont did an important experiment related to photosynthesis. He weighed a small willow tree and a pot of soil. Janthen planted the tree in the pot. Over the course of five years, he added only water to the pot. At the end of five years, he weighed the tree and found that it had gained 74.4 kg. He weighed the soil, and it was only 57 g less. What do the results of this specific experiment demonstrate about what is needed for a plant to grow and increase its mass?