Which type of secretion system is commonly used by pathogenic bacteria to inject toxic proteins directly into eukaryotic cells?
a. Sec system
b. Type I secretion system
c. Type II secretion system
d. Type III secretion system
Answer: D
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Translocation in sieve tubes requires passive transport
a. True b. False
The parietal lobe is responsible for ____
a. vision b. sensory input c. hearing d. generating a motor response e. inhibiting unsuitable behaviors
The disease characterized by a high blood glucose due to a deficiency of insulin production or failure of cells to respond to insulin is ________ mellitus.
Fill in the blank(s) with the appropriate word(s)
If there are 1,000 metric tons of producers in an ecosystem, about how much of the energy in those producers will be available to secondary consumers in this ecosystem?
A) 100% B) 50% C) about 10% D) about 1% E) about 0.1%