During erythroblastosis fetalis, a rh− mother's anti-rh antibodies that have crossed the placenta will cause agglutination of the fetus's rh+ rbcs. however, the reverse problem never happens when a rh+ mother is pregnant with a rh− fetus; that is, antibodies produced by the fetus cannot cause agglutination of the mother's rh+ rbcs. this is true because
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Health, 22.06.2019 16:30
Ais a person who demonstrates effective communciation, self-directed learning, critical thinking, and responsible citizenship
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Poliovirus is an rna virus of the picornavirus group, which uses its rna as mrna. at its 5' end, the rna genome has a viral protein (vpg) instead of a cap. this is followed by anontranslated leader sequence, and then a single long protein-coding region (~7000 nucleotides), followed by a poly-a tail. observations were made that used radioactive amino acid analogues. short period use of the radioactive amino acids result in labeling of only very long proteins, while longer periods of labeling result in several different short polypeptides. what conclusion is most consistent with the results of the radioactive labeling experiment? a) host cell ribosomes only translate the viral code into short polypeptides.b) the rna is only translated into a single long polypeptide, which is then cleaved into shorter ones.c) the rna is translated into short polypeptides, which are subsequently assembled into large ones.d) the large radioactive polypeptides are coded by the host, whereas the short ones are coded for by the virus.
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Health, 23.06.2019 11:00
During polarizacion potassium has a blank charge sodium has a blank charge and calcium has a blank charge
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During erythroblastosis fetalis, a rh− mother's anti-rh antibodies that have crossed the placenta wi...
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