Mastoiditis is an inflammation of certain
A. glands
B. sinuses
C. joints
D. bursae
Answer: B. sinuses
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Which of the following statements is (are)
true?
a. Modified Agrobacterium tumefaciens is used to deliver recombinant DNA into some plants. b. Agrobacterium tumefaciens infects many plants including potatoes, peas, and beans. c. Agrobacterium tumefaciens is used to improve the nutritional value of some food plants. d. Soybean, squash, and potatoes can be modified by using Agrobacterium tumefaciens. e. All of these are true
Refer to the accompanying figure. The function of the structure labeled as 6 is to:
a. secrete an alkaline fluid that neutralizes the acids of the vagina. b. produce a nutritive fluid for the sperm. c. provide a place for maturation and storage of sperm. d. secrete mucus that lubricates the penis. e. maintain sperm at a low body temperature
Which of the following statements regarding skeletal muscle is true?
A) Skeletal muscle is attached to bones by tendons. B) Skeletal muscle cells are not striated. C) Skeletal muscle is largely responsible for involuntary body motions. D) Skeletal muscle coordinates movement of nutrients and oxygen throughout the body.
H. pylori is able to survive the acidic environment of the stomach as a result of adaptations that allow it to increase the pH of the immediate environment
Indicate whether the statement is true or false