As a molecule travels from the outside of a cell to the inside of a cell, it will encounter three zones in the cell membrane. in order from top to bottom, the zones are

Hydrophilic region of phospholipid bilayer structure, hydrophobic region and hydrophilic region.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).