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Tour of the Cell Which organelle in plants stores water? [2 words]  Write the name of the organelle only…no written narrative please. 

Molecules of Life What is the primary cause of lactose intolerance? Deficiency of the lactase enzyme, which breaks down lactose An immune system reaction to dairy proteins An overproduction of the lactase enzyme in the small intestine Insufficient fiber intake leading to digestive issues

Chemistry of Life A chemical combination of 2 or more of the same atoms makes a(n) _________.

Hierarchy of Life All individuals of a given species living in a defined area, at a defined time, are a(n)___________. Biosphere Ecosystem Community Population Species

Tour of the Cell Which organelle of a plant cell is most affected by direct sunlight? cell wall cell membrane chloroplasts central vacuole ribosomes

Properties of Life Which of the following choices best describes what biologists consider “life”? Hint: Consider all the key characteristics you would use to distinguish living organisms from nonliving things. disorder, regulation, growth and development, reproduction order, regulation, growth and development, movement capability, energy utilization, response to the environment, reproduction, evolution reproduction, evolution, order, growth and development, energy utilization, regulation, but no response to stimuli. reproduction, evolution, order, growth and development, energy utilization, regulation, response to stimuli reproduction, order, growth, energy utilization, movement capability, regulation, response to stimuli

You have been asked to perform an ECG on a patient in the emergency department. The patient is pale, and while you are performing the ECG, he loses consciousness. A portion of the ECG tracing is shown below. After noting the patient’s condition, what should you do?Click here to enlarge.

What typically causes second-degree heart block, Mobitz type I?

If the electronic pacemaker is set to 72 bpm and the AV node is firing at 58 bpm, what is the patient’s heart rate?

In first-degree heart block, the electrical current is delayed or blocked along normal conduction pathways ________.