Which of the following would require active transport? -moving molecules across a membrane from low concentration to high concentration
-transporting materials against the concentration gradient
-during endocytosis
-all answers are correct

Explanation:

In a DNA molecule the amount of adenine is equal to the amount of

answer: the answer is b

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.