Fishes are the first __________ animals?
A) vertebrate
B) invertebrate
C) carnivorous
D) amphibious
Ans: A) vertebrate
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We consume a variety of carbohydrates that are digested into a variety of different sugars. How do these different sugars enter glycolysis?
A. All sugars are converted to fructose 6- phosphate and enter glycolysis at phase 1, step 3. B. All sugars are converted to glyceraldehyde 3-phosphate and enter glycolysis at phase 3, step 6. C. All sugars are converted to glucose 6- phosphate and enter glycolysis at phase 1, step 2. D. Sugars are converted to various forms and enter glycolysis at various stages. E. None of the answer options is correct.
The excretory system used by adult mollusks consists of tubules called ____
a. nephrons b. hepatic tubules c. metanephridia d. Malpighian tubules e. protonephridia
Guard cells contain chloroplasts
Indicate whether the statement is true or false.
For maximum effect, one should
a. perform strength training only. b. perform aerobic exercise only. c. perform both aerobic exercises and strength training. d. perform much strength training and only a little aerobic exercise. e. perform much aerobic exercise and only a little strength training.