B
The answer is B because,If the the water concentration of sugar particles is greater than that of the medium(the medium is a hypertonic solution) the number of sugar molecules diffusing out will be more than than that entering and the cell will shrink and shrived due to osmosis
The right side of the heart sends blood out to the lungs to become oxygenated and that oxygen-rich blood comes back to the heart on the left side. Then the left side of the heart pumps the oxygenated blood to the rest of the body.
My answer will be that the letter "A" in the chromosome refers to "adenine", which is considered as one of the five nitrogenous bases that are part of the nucleic acids (DNA and RNA), which was named in 1885 by Albrecht Kossel.
The place you would find the most mature sepermatozoa in a male reproductive system would be (B). in the ductus deferens and ejaculartory duct
