A cancerous tumor eventually grows faster than surrounding tissues because a greater proportion of its cells are dividing. True or false?

A) true

B) false

C) none of the above

The Fda has set a reference daily intake for how many minerals?

What is the dark brown pigment in skin called?

Cocaine is an example of which of the following? A.) depressant B.) narcotic C.) club drugs D.) stimulants

How do you think the amount of light affects how plants grow

A flatworm obtains oxygen needed for cellular respiration through simple diffusion. A human obtains oxygen by breathing it in from the air and into the lungs. Which system is the flatworm missing?

How does the structure of fats enable them to hold so much energy?

Why are fungi unable to live in dry areas? A. They have filaments with small surface areas. B. They cannot trap moisture. C. They have no reproductive structures. D. They are angiosperms.

How does growing beans in a ziplock bag is faster than in a cup with soil?

If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion? 1. O+ 2. O- 3. AB+ 4. AB -

Describe how a person can count the rate if beating of the left ventricle.