<span>Biofilms of microorganisms, especially cyanobacteria, are found on the outter surfaces of stromatolites.</span>
Answer:
(In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes). A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present.
Explanation:
Answer:
A is the chloroplast, which turns light into food
B is the Stroma, which helps transport the light to chloroplasts
Explanation:
I think it has something to do with their polar-nonpolar makeup. They have a polar head and a nonpolar tail. Only the polar side bonds with water, so they form two layers so that the polar sides can stick out and bond with the water, while the nonpolar tails can face each other. Imagine this:
p------n n------p
p------n n------p
And outside the double layer are water molecules bonding with the polar part:
wwww p------n n------p wwww
<span>wwww p------n n------p wwww
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