Which TWO phrases describe the contents of a chromosome?

A. A single gene

B. Many genes

C. Many DNA molecules

D. A single DNA molecule

Listeriosis is a bacterial infection caused by the genus listeria. it leads to blood infections and meningitis, and causes death in about 20% of infected people.

Once a scientific idea is developed, it does not change. right?

2) For many years, it was believed that the Earth was flat, that the Earth was the center of the universe, and that the fire and water were part of the basic building blocks of life.

Which is the result of a seasonal change? a. a bat capturing mosquitoes b. trees dying from air pollution c. a bear hibernating d. average temperatures rising each year

2 characteristics of evaporation

Which form of direct democracy would you be using if you voted to remove your governor from office? A.) referendum B.) recall C.) initiative D.) bond

Suggest reasons for the acceleration rates in extinction rates in recent decades

How does nutrient losses compare between the natural and clear-cut watersheds

Specific brain differences implicated in schizophrenia often include a change in size of the

Ionic iron is actively transported into the mucosal cells, where it binds to the protein ferritin, a phenomenon called the mucosal iron barrier. True / False.