Biology, 04.12.2019 00:31 foodisbae45678
Vitamin k, one of the fat-soluble vitamins, plays a role in both bone health and blood clotting. there are two primary forms of the vitamin: phylloquinones and menaquinones. choose the correct statement about vitamin k. a. menaquinones are the primary form of vitamin k in the diet. b. vitamin k deficiency inhibits the blood’s ability to clot. c. excessive use of broad-spectrum antibiotics may cause vitamin k toxicity. d. the major source of vitamin k in our diets is from fortified grains.
Answers: 3
Biology, 22.06.2019 01:40
Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat
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Biology, 22.06.2019 07:00
Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.
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Biology, 22.06.2019 10:00
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers: 1
Biology, 22.06.2019 10:20
Aquaternary consumer species would be expected to have a smaller population than a secondary consumer species. select the best answer from the choices provided t f
Answers: 1
Vitamin k, one of the fat-soluble vitamins, plays a role in both bone health and blood clotting. the...
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