Gene therapy for human genetic diseases has not been successful yet.
Answer the following statement true (T) or false (F)
False
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If water passed over the gills of fish in the same direction as blood flow through the capillaries in lamellae, how would gas exchange be affected? Select all correct choices
A. More oxygen would diffuse from the water into the fish's bloodstream. B. Less oxygen would diffuse from the water into the fish's bloodstream. C. More carbon dioxide would diffuse out of the fish's bloodstream into the water. D. Less carbon dioxide would diffuse out of the fish's bloodstream into the water. E. Gas exchange would remain the same, regardless of the direction of water flow.
Which of the following is not a correct pairing of structure and function?
A. circular muscle layer: contraction increases the diameter of the lumen B. longitudinal muscle layer: contraction shortens small sections of the gut C. serosa: protection of the gut D. mesentery: supports the gut in the abdominal cavity E. mucosa: secretes mucus
The first eukaryotic cells had
a. a nucleus. b. an endomembrane system. c. mitochondria. d. chloroplasts. e. all of these.
The hormone leptin is produced in ____________________ cells. Fill in the blank(s) with the appropriate word(s)