Which of the following is the best definition of a gene?

A. a specific segment of DNA on a chromosome

B. the DNA found in gametes

C. all of the DNA the makes up a chromosome

Division of the cell membrane to form two separate daughter cells.

What problem may have caused the Vikings to stop coming to North America? A) battles with Native Americans B) lack of food C) inability to build houses D) bad weather

Inbreeding involves the crossing of organisms that are genetically related to each other. What is a possible disadvantage of inbreeding?

How can short term and long term environmental changes affect the traits that are in a population?

In which direction is the net movement of water here?

What would happen to a grape placed in a bowl with highly concentrated sugar water

A guest drinking a glass of champagne may have a higher BAC than a similar guest drinking a glass of red wine because

1. Over time, the mushrooms that grow in a certain forest have been overharvested by humans. As a result, the number of mushrooms in the area has decreased dramatically. Fewer forest trees will become infected with harmful Dutch elm disease.

Why are semi-synthetic penicillins more widely used instead of the natural penicillin g?

An infusion of mannitol would be prescribed to treat a. encephalopathy. b. peritonitis. c. cerebral edema. d. varices.