How is a fetus able to extract O2 from its mother's blood?
A. Fetal blood has a higher concentration of hemoglobin than maternal blood.
B. Fetal hemoglobin has a lower affinity for O2 than maternal hemoglobin.
C. The maternal blood mixes with the fetal blood in the placenta to provide O2.
D. The pO2 of fetal blood is higher than the pO2 of maternal blood.
E. Fetal hemoglobin has a higher affinity for O2 than maternal hemoglobin.
Answers: 2
Biology, 21.06.2019 22:30, suieemage
Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19
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Biology, 22.06.2019 05:20, bear342
Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.
Answers: 3
Biology, 22.06.2019 06:20, powerserg2325
Select the correct answer from each drop-down menu proteins are
Answers: 2
How is a fetus able to extract O2 from its mother's blood?
A. Fetal blood has a higher concen...
A. Fetal blood has a higher concen...
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