Could Greg or his mother be carriers of the gene that causes myotonic dystrophy?

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation. c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation. d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

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

What kinds of molecules can pass through the cell membrane without any problem?