A scientist is testing a new plant food to see if it causes plants to grow faster. The scientist tests two plants with the new plant food, and two plants he grows without plant food. What is the independent variable?

Which type of cell is a stomach cell? A) prokaryotic B) excretory C) eukaroyotic animal D) eukaryotic plant

Select the correct statement about lymphocytes. Select the correct statement about lymphocytes. B cells produce plasma cells, which secrete antibodies into the blood. T cells are the only form of lymphocyte found in lymphoid tissue.

Which of the following is consistent with the hypothesis of blending inheritance? A. Crossing a purple-flowered pea plant with a white-flowered pea plant produces only purple-flowered offspring B.

When a phosphate bond is hydrolyzed, energy is released. the remaining adp is at a higher or lower energy state?

Which of these polymers acts like as an energy storage molecule

What is another name for spontaneous generation?

If Susan and Henry continued to have children they would always have type B blood. What are Susan and Henry's genotypes

Bacteria often contain small circular molecules of dna known as

What is the pH of a neutral solution

Sensory neurons transmit messages a. from the brain and spinal cord to a muscle or gland. b. from the brain to the spinal cord. c. from the environment to the spinal cord or brain. d. within the brain.