cells of a particular organism are dying at an incredible rate. Under a microscope, doctors are able to determine that the cells are swelling up with waste and bursting. What must be true of the cells? A. They are unable to perform exocytosis. B. They are not synthesizing needed proteins. C. They are no longer able to produce ATP molecules. D. The cell membrane has become completely permeable.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

Which of these is not a nucleotide base found in dna?