What are organelles? A. Groups of organs.
B. The different types of cells.
C. The tiny structures inside cells; kind of like our organs, but at a cellular level.

Which of these statements are true about scientific theories and hypothesis

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.