What unites the organisms shown in this figure?
a. They are all single celled. c. They are all archaea.
b. They all have chloroplasts. d. They are all eukaryotes.
D
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Blood plasma transports a variety of substances, including hormones, nutrients, carbon dioxide, electrolytes, and urea. Which of the following statements is INCORRECT regarding these substances?
a. Electrolytes are transported to the cells where they are used to maintain cell volume. b. Urea is transported to the urinary system for removal. c. Nutrients are transported from the digestive system to the body cells. d. Carbon dioxide is transported from the cells to the lungs. e. Hormones are transported from the nervous system to the body cells.
Which pair of hormones influences the urinary system’s ability to manage salt retention?
a. ADH and oxytocin b. aldosterone and cortisol c. thymosin and thyroxine d. insulin and glucagon e. aldosterone and ANP
Which of the following products used by humans sometimes comes from plants?
A) fuel, only B) clothing, only C) food, only D) fuel, clothing, and food
Functions of chloride include all of the following EXCEPT
a. digestion. b. immunity. c. enzyme activation. d. nerve transmission.