In which type of environment are plants most likely to use a C4 pathway of carbon fixation? cold and wet
cold and dry
hot and wet
hot and dry

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

The diagram illustrates the activity of vesicles during a cellular process.

If a checkpoint detects damaged dna, the checkpoint may