When a plant cell is placed in a salt water solution, the cell is affected and changes in size. What part of the cell is affected?

a) The cell wall

b) The cytoplasm

c) The cell membrane

Did water flow in or out of the plant cells (potato cells) in each of the samples examined? How do you know this?

If an individual was exercising at an exercise intensity of 1.5 liters of oxygen per minute, and had a mechanical efficiency of 20 percent, how many heat Calories would this person generate in 30 minutes?

When the double stranded DNA helix is unwound, two single strands of DNA are formed. These strands have to be stabilized because their hydrophobic bases are exposed to water. The proteins that stabilize the two single strands are called

If you encounter an animal on the roadway, it's best to

Which model best summarizes the importance of solar energy for life on Earth? A. The rock cycle O O B. The carbon cycle O c. A food chain OD. A consumer index

What is the difference between B-cell lymphocytes and T-cell lymphocytes? B cells regulate blood pH, and T cells regulate body temperature. B cells are produced in the thymus, and T cells are produced in the bone marrow.

What provides instructions to a eukaryotic cell about living and growing?

Which of the following is NOT a function of skin? to absorb nutrients from food to protect the body from infection to prevent the body from drying out to protect the body from injury

When scientist designs a space probe to detect life on a distant planet, what kind of things should it measure?

Paul's company commissioned some geological studies on some undeveloped arable land. The studies found coal deposits but they were estimated to lie at around one thousand feet or more below the surface. What type of coal did they find? A. lignite B.