Why would having both polar and nonpolar properties in a protective boundary be advantageous for the cell?

Which of the following is a correct cause and effect relationship for a symptom of diabetes? (note: this is referring to the cause that directly comes before the effect).saturation of glut causes polyuriahyperglycemia causes polydipsiapolyuria causes dehydration

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000