What kind of bond holds the two strands of the double helix together?

Plants are the only organisms that use ATP for the transfer and storage of energy.

Is the vaccine effective?

Which of the following water samples would be considered acidic? A. pH = 8.0 B. pH = 6.0 C. pH = 7.0 D. pH = 10.0

Ocean currents are largely driven by the density of water, similar to the circulation of magma that occurs in Earth's mantle. What will likely happen to a large mass of water that is significantly denser than the water surrounding it?

3. Which of the following is not an X-linked trait? hemophilia cystic fibrosis Duchenne muscular dystrophy color-blindness

What is the name of the large, often central organelle in eukaryotic cells that contains chromosomes?

What is a concentration gradient? (Make sure to include the words: solute, solvent, and solution.)

How do cells get energy to perform necessary functions

Triangular facets are associated with what type of faulting

Electrolytes that release hydrogen ions in water are called