Which of the following statements helps support the endosymbiotic theory? Choose 1
Choose 1

(Choice A)
A
All cells contain ribosomes that conduct protein synthesis.

(Choice B)
B
Cells contain genetic information in the form of DNA.

(Choice C)
C
If isolated from a plant cell, a chloroplast can survive and reproduce on its own.

(Choice D)
D
If isolated from a eukaryotic cell, mitochondria can no longer survive and reproduce on their own.

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.