Questions by Qiuyu ZHANG

Questions by Qiuyu ZHANG

there are no covalent bonds holding the 4 subunits of hemoglobin together. how do you think these subunits stay together?

asked Jun 19, 2017

1 answer

4 votes

166k views

If you pick a marble out of 6 red and 10 black, record its color, and return it to the bag 200 times, how many times can you expect to pick a black marble?

asked Feb 27, 2017

1 answer

2 votes

162k views

what A hypothesis that two organisms from different species are related to each other is best supported by?

asked Jan 4, 2017

2 answers

3 votes

130k views

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