Biology, 18.03.2021 02:50 sanafarghal
Are there any parts of the human body that get oxygen directly from the air and not from the blood? dose any body wants to talk to me
Answers: 3
Biology, 21.06.2019 16:30
25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?
Answers: 3
Biology, 22.06.2019 04:30
Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?
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Biology, 22.06.2019 16:00
Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.
Answers: 1
Biology, 22.06.2019 17:00
In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other
Answers: 1
Are there any parts of the human body that get oxygen directly from the air and not from the blood?...
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