Which of the following statements about the nucleus is true? a. the nucleus is the site of protein assembly. b. the nucleus is surrounded by cell membrane that lets materials in and out. c. the nucleus stores the coded instructions for making the cell’s proteins. d. the nucleus usually contains a nucleolus region which is where mitochondria assembly begins.

The answer is B.The nucleus is surrounded by cell membrane that lets materials in and out.

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.