Which of the following statements is TRUE regarding infection with Mycoplasma pneumoniae?
A) It is extremely difficult to treat.
B) The causative agent attaches to ciliated cells in the respiratory tract.
C) The causative agent is a fast-growing Gram-positive bacillus.
D) It causes disease which is usually severe enough to require hospitalization.
E) It is diagnosed by the appearance of typical "fried-egg" colonies on agar.
B
Bloom's Taxonomy: Comprehension
Section: Bacterial Diseases of the Lower Respiratory System
Learning Outcome: 22.11
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Woolly mammoths were determined to be more closely related to Asian elephants than to African elephants on the
basis of ____.
a. DNA sequencing of nuclear genes b. fossilized morphological evidence c. embryological evidence inferred from fossils d. mitochondrial and nuclear DNA sequences e. cytochrome c amino acid sequences
The absence of a terminator in transcription will result in ________
A) the creation of a virus B) a strand of mRNA that lacks its cap and tail C) the production of a longer RNA molecule D) the production of a shorter RNA molecule
Which of the following takes generations to occur?
A. An irritability response B. Metabolism C. Evolution D. Adaptation
Please match the type of T cells with the statements that most accurately describe them to test your understanding of the relationships between the types of T cells and their receptors.
Antigen specific receptor A) All T cells B) Helper T cells C) Cytotoxic T cells