Biology, 01.10.2019 17:50 Fireburntbudder
The chorionic villi of the placenta develop a series of capillaries that are immersed in lacunae of the mother's blood for exchange into the embryo's blood during placentation.
true or false
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Biology, 21.06.2019 16:00, ryleighgilmore1
Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.
Answers: 2
Biology, 21.06.2019 20:20, abigailb4424
19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that
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Biology, 22.06.2019 04:30, Lindsay882
Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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Biology, 22.06.2019 11:30, brebre63
What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.
Answers: 1
The chorionic villi of the placenta develop a series of capillaries that are immersed in lacunae of...
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