Answer: A
Van Helmont concluded that most of the mass the plant gained had come from water.
Answer:
Explanation:
Keep in mind active transport is always against the concentration gradient.
For active transport pumps or chaanel protiens needed so if these are pasaing through phospholipids than most probably it is passive transport.
Listen dear it is it is more important that movement is along or against the concentration gradient than what is moving if it is along concentration gradient than it is passive and if against gardient it is active
Simple to remember is energy ATP is used active other wise passive .
centromeres divide
is there options i could pick from?
I’m positive that the answer is B
46 chromosomes. 23 pairs. 23 chromosomes come from the egg (from the mother) and 23 come from the sperm (from the father). Haploid (containing one set of chromosomes) sperm and egg fuse to form a diploid (containing two sets of chromosomes, one from each parent) zygote.