Answer:
it is accepted that cells contain DNA in chromosomes and RNA in the nucleus and cytoplasm, but only in the modern cell theory. the classical cell theory does not include this. but using either classical or modern theory, it is false that all cells have DNA surrounded by a nucleus.
Explanation:
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Answer:
include the brain and spinal cord
Explanation:
Answer:
★ C. fossils of marine organisms are found at the top of some mountains
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Answer:
Peripheral membrane proteins (select one):
D) are generally noncovalently bound to membrane lipids.
Explanation:
Peripheral membrane proteins are membrane protenis that adhere only temporarily. These don't penetrate deeply into the lipid bilayer, just penetrate the peripheral regions. Also <em>they are bound to either face of the membrane by noncovalent interactions.</em> There are many different categories of peripheral membrane proteins: Membrane-targeting domains; transporters of small hydrophobic molecules
; electron carriers
; Polypeptide hormones, toxins, and antimicrobial peptides; structural domains; enzymes.
