Answer:
When two or more atoms link up, they create a molecule . A molecule of water is made of two atoms of hydrogen (H) and one atom of oxygen (O). The molecular mass is the sum of the masses of all the atoms in the molecule. A collection of molecules is called a compound.
Explanation:
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Answer:
Compare mitochondria to the digestive system. The cytoskeleton is similar to the skeletal and muscular system. They both provide structure and allows for movement within the cell. The cell membrane is similar to the integumentary system. They both separate and protects the internal structures from the external environment and it regulates water loss.
Explanation:
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The answer is (B) Edward's Syndrome, Down Syndrome, Klinefelter's Syndrome.
These syndromes are caused when there is an extra copy of chromosomes present in the cells.
In Edward's syndrome, there is an extra copy of the chromosome 18.
In Down's syndrome, there is an extra copy of chromosome 21.
In Klinefelter's syndrome, there is an extra copy of X chromosome.
Answer:
Hypothalamus
Explanation:
It maintains the process that leads the activation of wakefulness or alertness of the cerebral cortex
