The answer is homo sapiens. It is believed mating apparently
took place in the Middle East, shortly after modern humans had left Africa.
Research has shown that Neanderthal DNA
is 99.7 percent identical to modern human DNA. All modern ethnic groups, other
than Africans, carry traces of Neanderthal DNA in their genomes, which
therefore supports this revelation.
Answer:
Explanation:
When you are thirsty, it's your body's way of telling you to drink some water because you are dehydrated. Just like a dehydration reaction, you've lost water. Dehydration reactions are named as such because as the polymers are linked together, a molecule of water is released. This happens because on one end of a monomer is a hydrogen atom (-H) that is just waiting to bind with a hydroxyl group (-OH) on another monomer. Hydroysis which is the reverse of dehydration work the same way.
Phospholipids are amphipathic molecules. This means that they have a hydrophilic, polar phosphate head and two hydrophobic fatty acid tails. These components of the phospholipids cause them to orientate themselves, so the phosphate head can interact with water and the fatty acid tails can't, hence forming a bilayer.
Macromolecules are large structures composed of atoms and smaller molecular structures and play important and sometimes vital roles in creating and sustaining life. It can be organized into four categories: proteins, nucleic acids, carbohydrates, and lipids.
Carbohydrates:
Found in many energy-providing foods, carbohydrates help the nervous system, muscles, and body in general function. A group of polymers, they contain nothing but carbon, hydrogen, and oxygen. Human bodies break down carbohydrates into their base components, which it then uses to fuel cells and maintain body processes. Plants use carbohydrates, particularly cellulose, to protect their cells and to grow larger. The list of carbohydrates is extensive and includes all sugars and starches.
Answer:
<h3><em>Mitosis</em><em> </em>must happen in the original cell so that each of the daughter cells has a complete set of chromosomes. </h3>
Bonus - Mitosis is used to produce daughter cells which are identical to the parent cells.
Hope it helps!
The protective vest keeps some Radioactive particles from hitting out body, as the X-ray uses radiation to project our bones onto a screen, etc. It helps, but also hurts. (Not physically hurting.)
