You find a new species of mouse that, compared to the house mice you are familiar with, sprints extraordinarily rapidly but also fatigues quickly. Which type of muscle fiber (compared to an ordinary house mouse) would you expect to see an increase in?
A. slow oxidative fibers
B. slow glycolytic fibers
C. fast oxidative fibers
D. fast glycolytic fibers
E. fast and slow oxidative fibers
D. fast glycolytic fibers
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Low sperm ____________________ results in the inability of sperm to move through cervical mucus and reach the egg in the oviduct
Fill in the blank(s) with correct word
Answer the following statements true (T) or false (F)
1. All sugars are absorbed via secondary active transport. 2. In omnivores, including humans, the cecum is an important organ for digestion of cellulose. 3. Fat absorbed by the small intestine enters the lymphatic system. 4. Frugivores are a type of herbivore.
Research in Colorado’s San Juan Mountains has illustrated that in comparison to stands of lodgepole pine and Englemann spruce, stands of trembling aspen are not likely to ____.
a. grow in warmer soil b. grow in soil with higher nitrate concentrations c. be associated with different arrays of soil-dwelling organisms d. allow more sunlight to reach the soil surface e. retain their leaves through the winter
What is the function of a land plant’s waxy cuticle?
a. Preventing water loss from aerial surfaces b. Secreting toxic compounds to deter animals c. Enabling the root system to extend deeper d. Providing rigidity to stems and leaves