What are the specialized cells that move water from the roots to the leaves of a plant?

In the early 1900s, a Dutch researcher named Frits Went confirmed that there was a chemical produced in the stem tips of growing seedlings that stimulated growth. He named this chemical?

A number of processes and forces are necessary for moving water and nutrients from the soil around the plant to the leaves. In order, these processes are?

Many plants have adaptations to help them survive in certain climates. The cactus is one such plant. Its leaves have been modified into spines in an effort to:

Plants are able to respond to stimuli from around them. What are these responses called?

One major difference between xylem cells and phloem cells is:

Why do trees that have their outer bark and xylem damaged quite often die?

The transport of water up the plant is aided by root pressure. How is this pressure created?

In 1880, Charles Darwin and his son devised an experiment in which they used oat seedlings. They set up four treatment groups of developing seedlings. In the first group, they removed the tip, in the second, they covered the tip with foil, in the third, they covered the base of each seedling with foil, and they left the fourth group untouched. What were they trying to test?

There are many reasons that a plant might need to be able to sense where "up" is. Which of the following is NOT one of the potential reasons?

Water has two special properties that make it possible for plants to transport water up great distances within their vascular tissues. One property is __________________, which is a tendency of water molecules to stick to each other, and the other is __________________, which is a tendency for water molecules to stick to other surfaces.

Which organelle is responsible for producing ATP, the energy currency of the cell?

Which structure controls what enters and leaves the cell?

Where are proteins synthesized in the cell?

Which organelle modifies, sorts, and packages proteins for secretion?

Which organelle contains digestive enzymes to break down cellular waste?

Which organelle stores water, salts, and nutrients in plant cells?

What is the primary function of the rough endoplasmic reticulum?

Which structure helps maintain the shape of the cell and assists in intracellular transport?

Which organelle is responsible for photosynthesis in plant cells?

The movement of molecules from an area of high concentration to low concentration without energy is called:

Which process requires energy to move molecules against a concentration gradient?

Water moves across a selectively permeable membrane through a process called:

Which transport mechanism uses vesicles to bring substances into the cell?

Which organelle is abundant in cells that actively secrete proteins?

The smooth endoplasmic reticulum is primarily involved in:

Which structure is found in both plant and animal cells and provides structural support?

Which type of transport requires membrane proteins to help molecules move across the membrane without energy?

The selective permeability of the plasma membrane allows the cell to: