A low birth weight infant is an infant that weighs less than 5.5 pounds at birth
Natural selection is a mechanism by which populations adapt and evolve.
Answer:
Proteins
Explanation:
There are proteins in the membrane that have channels for large polar molecules to move into or out of the cell since the plasma membrane is made of a phospholipid bilayer where the inside is non polar. This means large polar molecules need help from proteins to cross the plasma membrane.
Answer:
Jupiter - Giant red spot
Mars - Most habitable other than earth
Mercury - Smallest terrestrial planet
Pluto - Is a Kupiter belt object
Saturn - Most visible rings
All the options given above are correct.
Microfilaments are the thinnest filament of the exoskeleton and they are found in the cytoplasm of eurkaryotic cells. The polymers that made up the microfilament are flexible and strong and they provide support for the cell.
hope this helps you out...good luck!
