Biology, 26.06.2019 14:30 coltbergstrom
All female mammals have one active x chromosome per cell instead of two. what causes this? a) activation of the xist gene on the x chromosome that will become the barr bodyb) activation of the barr gene on one x chromosome, which then becomes inactivec) inactivation of the xist gene on the x chromosome derived from the male parentd) attachment of methyl (ch3) groups to the x chromosome that will remain active
Answers: 2
Biology, 21.06.2019 21:30, shadowblade8203
What causes the phospholipids to organize themselves the way they do
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Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?
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Biology, 22.06.2019 01:00, akluke6059
Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell
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All female mammals have one active x chromosome per cell instead of two. what causes this? a) activa...
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