What is true of carbon atoms?

They are not found in living organisms.

They have five valence electrons.

They can form up to four covalent bonds.

The do not bond with other elements.

ATP is the molecule that is used to provide energy necessary to power cellular functions, and as a result, it is often called the "energy currency" in the cell.

Which of the following correctly displays the sequence of developmental milestones? A) blastula → gastrula → cleavageB) cleavage → gastrula → blastulaC) cleavage → blastula → gastrulaD) gastrula → blastula → cleavage

What are the main Differences between prokaryotic and eukaryotic cell.

Which organism in the Alpine biome was once nearly extinct and is now on the endangered species list?

Throughout history, people have been studying the living and nonliving world. What is the name of the formal procedure scientists use to study the world around them?

Hich equation shows a disaccharide with the monosaccharides that make it up?

Which of these vessels returns blood to the left atrium of the heart? A) pulmonary veins B) coronary sinus C) superior vena cava D) pulmonary trunk

Prokaryotes replicate and form two identical daughter cells using a process called

Because digital signals do not depend on amplitude or frequency differences to communicate information, they are more vulnerable to emi noise.

What are some characteristics of nervous tissue?