Answer:
D.
Explanation:
The primary function of capillaries is the exchange of materials between the blood and tissue cells.
Answer:
Anaphase Il of meiosis is the phase in which sister chromatids fail to separate properly from each other. It is a genetic disorder.
This nondisjunction also occurs in mitosis of cell division. It cannot pass from parents to offspring because mitosis occurs in body cells not sex cells. This nondisjunction in mitosis causes serious disease such as cancer. Cancer disease also contain abnormal number of chromosome.
Answer:
The color of the flowers is generally caused by anthocyanin pigments
Explanation:
Anthocyanins are hydrosoluble vacuole pigments from the family of flavonoids. Anthocyanins are characteristics of flowers that have distinct colors depending on the pH (i.e., red, blue, purple, etc). These phytochemicals are commonly present in different parts of the plant including stems, roots, leaves, flowers and fruits.
Carotenoids, another type of phytochemicals, are known to confer their color to tomatoes and carrots. It is a class of isoprenoid pigment that produces yellow and orange colors.
Finally, betalains are another type of glycoside pigments that may also confer color to plants.
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