Answer: Spallanzani's experiments concerning spontaneous generation were NOT universally accepted because <u><em>He eliminated air from his flasks by sealing them</em></u>.
Explanation:
I'm Smart
Answer:
Double Helix
The structure of DNA is called a double helix.
<span>The Cell Membrane. All living cells and many of the tiny organelles internal to cells are bounded by thin membranes. These membranes are composed primarily of phospholipids and proteins and are typically described as phospholipid bi-layers.</span>
I’m pretty sure it’s upwelling
