Answer: The term "phenotype" refers to the observable physical properties of an organism; these include the organism's appearance, development, and behavior. An organism's phenotype is determined by its genotype, which is the set of genes the organism carries, as well as by environmental influences upon these genes
Explanation: good luck and get good grades
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<span>I think the answer is Three membranes. </span>
Answer:
Depending on the size, some substances are able to pass through cell membranes
Explanation:
Some molecules, such as hydrocarbons and oxygen can cross the membrane. Many large molecules (such as glucose and other sugars) cannot. Water can pass through between the lipids.
Hope that answers your question.