Answer the following statements true (T) or false (F)
1. An atom with 15 protons would have an atomic mass of 15.
2. An atom with 15 protons would have an atomic number of 15.
3. An atom with 15 protons and 15 electrons would have an atomic mass of 30.
4. An atom with 15 protons and 15 neutrons would have an atomic mass of 30.
5. Neutrons have no electrical charge.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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Reabsorption of filtered glucose from the lumen in the PCT is largely by means of
A) diffusion. B) facilitated diffusion. C) active transport. D) cotransport. E) countertransport.
Composed of loose connective tissue, the underlying layer of the mucus membrane is called the ____
a. lamina propria b. muscularis mucosa c. adventitia d. tunica intimas
Smooth muscle has ________ and not troponin.
A. norepinephrine B. fibronectin C. calmodulin D. titin
The airway that connects the larynx to the bronchi is the
A) trachea. B) bronchiole. C) laryngopharynx. D) alveolar duct. E) bronchus.