If i were to have children i would not want to genetically engineer my children.
When food is exposed to air, <span>microorganisms </span><span>can land on the food and begin their work of breaking down the food for their own uses. The presence of oxygen enhances the growth of microorganisms, such as molds and yeasts, and contributes directly to </span>deterioration<span> of fats, vitamins, flavors, and colors within foods through the work of enzymes.</span>
Answer:
Blood brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body. Blood also fights infections, and carries hormones around the body.
Explanation:
Answer:
A membrane-bound nucleus
Explanation:
eukaryotic cells are defined by the presence of a nucleus surrounded by a complex nuclear membrane. also, eukaryotic cells are characterized by the presence of membrane-bound organelles in the cytoplasm.
Stages of sleep cycle
There are five basic sleep stages in the sleep cycle.
Stage I: The alpha waves diminish while the theta waves activity increases. This is a non-REM sleep stage. During this transition stage, brain activities slow down and it becomes slower and irregular
Stage II: People drift further into sleep and breathing becomes more shallow and irregular. K-complexes occur during this stage. Less than 50% of sleep time is spent in this stage.
Stage III: In this stage there is a transition towards the next stage before. There is slow wave sleep made up of 20-50% delta waves.
Stage IV: I It occurs around midnight. People spend about 30-minute in this stage the first time
Stage V: In this stage people are into deep sleep
Improper sleep can cause issues such as insomnia, hyper tension, lack of concentration, irritation etc.