20. Cell Membrane 19. Mitochondria 18.<span> Osmosis</span>
Binary fission cause Cloning is a hot ethical issue in the scientific community, but bacteria clone themselves all the time. In a process called binary fission, one bacterium doubles its size and genetic material, then splits to produce two identical cells.
It may either be man#1 with blood group b or man#2 with blood group ab
Answer;
-Permitted the evolution of novel forms
Explanation;
-Hox proteins regulate other genes. Hox genes code for proteins that attach to molecular switches on DNA, turning other genes on and off. The DNA-binding piece of a Hox protein is called the homeodomain, and it's encoded by the homeobox.
-Hox genes are important as they help lay out the basic body forms of many animals, including humans, flies, and worms. They set up the head-to-tail organization.
Answer: The answer is (D) usually made of tough fibers
Explanation: