The assisted transport of a molecule across the cell membrane without an expenditure of energy is known as what?

How much of the energy reaching Earth is absorbed and converted to chemical energy by the process of photosynthesis? Where does the other energy go?

What are some benefits to producing Super Cows?

Why is the electron transport chain an important step in aerobic respiration

Prokaryotes are different from all other organisms in that their cells

The brain waves most closely associated with mental activity are

What are two ways excess nitrogen is added to the nitrogen cycle

Examples of autoimmune disease are _ a Flu, rheumatoid arthritis and Type I diabetes b Type I diabetes, rheumatoid arthritis and influenza c Lupus, rheumatoid arthritis and Type I diabetes d Type I diabetes, malaria and lupus

In order to grow, all organisms must

The DNA in a cell's nucleus encodes proteins that are eventually targeted to every membrane and compartment in the cell, as well as proteins that are targeted for secretion from the cell.

What similarity do animals and plants share?