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

How do you show the presence of a trait in a pedigree?

Which parts of the brain found in forebrain, that give us our human character?

The lumen surfaces of the tubule cells within the proximal convoluted tubule are covered with microvilli. True False

Name What is cell division in prokaryotes called?

Why are humans called heterotrophs

Which statement best describes an ecosystem maintaining a state of approximate equilibrium? (1) Nutrients from decayed organisms are recycled in a forest ecosystem. (2) All the frog species in a South American rain forest become extinct.

Which of these shows the correct pathway through the heart's four chambers after it enters from the vena cava? a. left ventricle - -> right atrium - -> left ventricle - -> left atrium b.

Describe how a planet, solar system, galaxy, and the universe are related in terms of size?

What structural parts do chimpanzees and humans have in common?

What is the function of the xylem? phloem? vascular cmabium? epidermis?