How are meiosis and mitosis different ?
A. Tetrads are former only during the process of mitosis.
B. Meiosis produces haploid cells and mitosis produces diploid cells.
C. Chromatids are formed only during the process of meiosis.
D. Mitosis produces haploid cells and meiosis produces diploid cells.

b a mature ovary of a plant.

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,

bradycardia ( blood presssure below 120/80mmhg )

it is contraindicated to give nitroglycerin to patients with blood pressure that is lower than normal range because the drug can cause blood pressure to drop further. it can lead to paradoxical bradycardia and less commonly, threatening hypotension.

which condition is a cause of impotency in men?

b. the inability of the penis to become erect