2. Gas exchange occurs in the bark through light and dark disruptions called:

a. scars b. buds c. lenticels d. stomata

Cells involved in transportation of water, food, and dissolved substances are found in a. dermal tissue b. vascular tissue c. ground tisse d meristematic tissue

A scientist who studies the movement, storage, and distribution of water is called a hydrolysist.

The active maintenance of a constant internal environment is referred to as:

What is the function of the skeletal system

How does a plant moist the water and other mineral taken in by its roots is trunk, branch, and leaves?

What might happen if cells divide uncontrollably

What aspects of bone's structure make it stronger than concrete? Think about the engineering design of bone. Use the terms tensile strength and compressional strength in your answer.

How do animal cells and plant cells react differently to osmosis in a hypotonic solution?

The pKa of an acid depends partly on its environment. Predict the effect of each of the following environmental changes on the pKa of a Glu side chain. Briefly explain why the pKa changes for each situation.

The following is an excerpt from the case study "It's All Greek to Me": "The hematologist meets with the Stamos family in the exam room. 'Mr. and Mrs. Stamos, there are some things that do not look normal in Nikoleta's blood.