What is a gene

A. A unit of heredity

B. The central and most important part of an object

C. An organelle found in large numbers in most cells

How do carrier proteins transport substances across cell membranes?

Which of the following is an example use of a noble gas? a. Making steel drums c. Camera batteries b. Fluorescent light tubes d. Xerox machines

Where on the periodic table are the transition metals located

How are elements and compounds different?

What are some of the ways that human body systems are interdependent?

Which elements did curies discover

When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.98 grams of rubidium is exposed to air, what will be the mass of the product in grams

Fission reactions can get of of control without what taking place?

In which main energy level does the 's' sublevel first appear? K (first main energy level) L (second main energy level) M (third main energy level) N (fourth main energy level)

What is the nuclear charge of an alpha particle?