Which of the following correctly shows the direction of energy flow through a simple food chain?

In a cross between AaBb and AaBb, what proportion of the offspring would be expected to be A_bb? (A_means AA Aa.) a. 1/16 b. 316 c. 3/4 d. 3/8 e. 1/8

Difference between protoplasm, cytoplasm and cell sap

If a protein has 59 amino acids, how many RNA bases would be required for translation to occur?

Which of the following best describes the physiological significance of the different oxygen-binding capabilities of hemoglobin and myoglobin?

Which of the following locations would have the poorest quality soil? grasslands mountain top gently rolling hill low, flat field

Each of the following statements concerning hair is true except A. scalp hairs grow constantly throughout life. B. the cortex of the hair is composed of hard keratin. C. the medulla is the soft core of the hair. D.

Some neural tissues retain stem cells and thus the capacity to divide and replace lost neurons. Which of these special senses can replace its damaged neural receptors? a) proprioception b) vision c) olfaction d) hearing e) equilibrium.

Management science replaces common sense with scientific analysis. a. True b. False

What events caused the formation of most islands in the South Pacific?

How do plants depend on bacteria?