Which type of defense mechanism is not classified as the first line of defense?
a. Chemical barriers
b. Skin
c. Mechanical barriers
d. Physical barriers
e. Leukocytes
e
Biology & Microbiology
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Some vertebrates like frogs and humans do not have a conspicuous tail, yet even humans have the remnant of one known as the:
A. sacrum B. lumbar C. spina bifida D. fundus E. coccyx
Biology & Microbiology
_______ is anything that occupies space and has mass.
a. An element b. An atom c. Matter d. A molecule
Biology & Microbiology
Gliding motility can be used to propel bacteria ________.
A. through liquids only B. along the framework of the cytoskeleton of host cells C. across solid substrates only D. through the air only
Biology & Microbiology
During photosynthesis, solar energy is converted to
What will be an ideal response?
Biology & Microbiology