<em>Answer:</em>
<em>A group of cells working together is defined as a tissue and several tissues working together comprise an organ. ... The heart is used as an example of an organ which is made up from muscle and valve tissue.</em>
<em>Explanation:</em>
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I would choose nuclear DNA. I see it as more complex and will yield to more markers to rely on. The Mitochondrial DNA has less of various paths as it is passed from the mother onto her babies. This concept would be different in terms of identical <span>twins.</span>
Here are some Ideas I came up with
1. Get a pet
Pets can be great company and if you get a trained one they shouldn't be that hard to take care of. You can also benifit since hte pet will help you get out more.
2. Start those piano lessons
Its never to late to learn something new. Plus maybe you'll have fun.
3. Join a club with fellow people that have the same issues that you do.
Being around people that can relate to your problem is a big help. Plus you might make some new friends
Hope this helps!
<span>Prokaryotic cells and eukaryotic cells reproduce by mitotic cell division. Regardless of the type of cell, all cells must make a copy of their dna before they divide.</span>
Answer:
A- Tunica intima, tunica media, tunica adventitia.
Tunica intima
Is the internal layer of the arterial wall, it is a sqaumous epithelium which is surrounded by connective tissue and elastic fibre, it provides a one way flow of blood.
Tunica media
The middle layer is made of smooth muscles and is the thickest layer that changes the arteries diameter controlling blood pressure and flow.
Tunica adventitia
A dense outer layer of the arterial wall made of connective tissue. It consist of collagen fiber and provides protection to the blood vessel.