Biology, 28.11.2019 07:31 bwalker411
William harvey discovered circulation. first, as he tightened a bandage around an arm, he noticed that the fingers turned blue and cold. then, he used a less tight bandage and noticed that the hand swelled. with further research, what conclusion could he make?
a. the blood moving toward the hand contains oxygen.
b. the blood moving away from the hand picks up oxygen.
c. veins carry oxygenated blood and are deep in the skin.
d. arteries carry deoxygenated blood and are deep in the skin.
Answers: 3
Biology, 21.06.2019 18:50
Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.
Answers: 3
Biology, 21.06.2019 22:50
Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white
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Biology, 22.06.2019 00:50
When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal
Answers: 2
William harvey discovered circulation. first, as he tightened a bandage around an arm, he noticed th...
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