There are probably fewer than 3,000 manatees (Trichechus manatus) left in the world. Which would probably cause the extinction of the species?

The protein in the cell membrane A) remain in fixed positions B) allow small molecules that can dissolve in liquid to pass into the cell C) transport certain molecules into or out of the cell D) prevent osmosis from taking place

Which would least likely be a cause of natural selection? Adaptation, evolution, overpopulation, variation

Porque el huevo es una celula

What did Thomas Hunt Morgan discover?

What is the difference between Eukaryotic cells and Prokaryotic cells?

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?

This is a model of a bacterial cell. What statement about the structure and function of bacterial cell parts is correct? A) DNA is contained in a primitive nucleus. B) Energy for movement is generated in the pilli.

How can the locations where ancient fossils are found be used as evidence for continental drift