Answer:
i'm not sure if these are all the options you have but the answer is that active transport requires energy and that active transport is the movement of molecules from an area of their lower to their higher concentration against the concentration gradient
Explanation:
Answer:
i am fairly sure the last option isn't true.. i hope i'm correct
1 and 3 is right. 2 and 4 aren't really true.
Nucleolus is not connected to the nucleus via nuclear pores.
<span>Nuclear pores are protein complexes that cross double membrane of the nucleus and allow the transport of molecules across the nuclear envelope (double membrane): from the nucleus to the cytoplasm (RNA and ribosomal proteins) and into the nucleus (proteins, carbohydrates, signalling molecules and lipids).</span>
<span>As food dyes are created, they are probably numbered by each batch or specific composition. During the life cycle of creating a releasing a dye, some dyes probably don't make the cut, so some numbers don't get used.
I would expect stain removers to be a basic solution, most household cleaners use bleach in them, and bleach is a base.</span>