Explanation:
c is an acid I think but it may not be right
Answer:
An <em>organism </em>is any individual living thing but the definition of life is not simple because humans determine what meets the criteria of living and nonliving. However, this does not mean that humans are perfect when it comes to categorization. Viruses fall into a middle area between being classified as living or nonliving since viruses have some, but not all, of the characteristics required to be classified as living.
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Answer: A genetic disorder in which an individual lacks an enzyme responsible for converting the amino acid phenylalanine into the amino acid tyrosine is called phenylketonuria (PKU) A trait that is determined by a gene that is found only on the X chromosome is said to be
Explanation:
Answer:
C
Explanation:
Membranes will allow and inhibit certain ions/molecules. I don't believe it can distinguish whether the molecules are harmful or beneficial!
A sudden change in a character/ gene / chromosomes of an organism is mutation.
