Soot results from burning organic compounds. Soot is an example of

a. a primary pollutant

b. a secondary pollutant

C. a tertiary pollutant

d. none of the above

What is ozone? 1. dissolved oxygen 2. the main catalyst in photosynthesis 3. a type of oxygen 4. a form of calcium carbonate

Which of the following adaptations is most likely not found in organisms of the savanna? a. burrowing b. grazing c. long legs d. thick fur?

What general type of plant food is produced by photosynthesis? A) protein B) carbohydrates C) amino acids D) enzymes

What is meant by the life cycle of an insect

The transmission of G-protein-coupled receptors involves only two steps: binding to the receptor protein and activation of G-proteins. True or false?

What I the weight, on Earth, of a book with a mass of 1.5kg?

The bonding of two amino acid molecules to form a larger molecule requires which of the following

A heritable trait is one that A heritable trait is one that is determined at least in part by genes passed from parents to offspring. is dominant and hence is always inherited. is determined by genetic information encoded in proteins.

Are all living and nonliving things that interact in a particular area make up what?

Which body cavity protects the brain?