Biology, 07.07.2019 20:00 Sjanaya853
The cell membrane around a cell forms a barrier that protects and regulates the cell. certain chemicals can pass through the plasma membrane because they have similar chemical properties as the membrane. which best describes those that can pass through? they are concentrated. they are soluble. they are diluted. they are heated
Answers: 2
Biology, 21.06.2019 22:00
Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.
Answers: 3
Biology, 22.06.2019 02:00
Which blood cell spend most of their time in the lymphatic system?
Answers: 1
Biology, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
The cell membrane around a cell forms a barrier that protects and regulates the cell. certain chemic...
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