Which of the following facts was unknown to Gregor Mendel? A during reproduction, alleles separate
B organisms have two alleles for each of their genes
C alleles for genes are found on chromosomes
D heterozygous genes have two different alleles

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?

True or false multiple lane changes must be done individually going through the same procedures for each lane change