Why do metachromatic granules stain purple/black when stained with methylene blue?

Is there a difference between stomata and lenticels?

One hypothesis about the origin of the building blocks for life is that they werea. made inside meteors. b. formed when lightning struck water. c. started by the rna in the ocean. d. brought to earth by meteorites.

What does cellular respiration have to do with homeostasis?

All vertebrates have: A.) radial symmetry. B.) bilateral symmetry. C.) an open circulatory system. D.) an exoskeleton.

What are 2 types of gene mutations?

A lab technician runs the results of a simple PCR reaction through a gel electrophoresis to test a sample of imported hamburger meat for the presence of a DNA sequence that is known to be found in kangaroos and not in cows.

If Earth was not titted on its axis, what changes would you expect to see in the seasons?

Why are organelle important for cell homeostasis

In what way does the cerebellum coordinate and "fine tune" skeletal muscle movements? Check all that apply. It consciously coordinates minute muscle movements. It consciously coordinates minute muscle movements.

Hemoglobin transports oxygen in the blood and consists of a chain of 146 amino acids. how many different types of amino acids are used to construct proteins?