What is part of the body's initial line of defense against pathogens?
A. Phagocytes
B. Mucous membranes
C. T cells
D. Memory T cells
E. Cytokines
B. Mucous membranes
Biology & Microbiology
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What am I? I have a jointed hollow stem with reduced megaphylls
a. moss b. horsetail c. club moss d. whisk fern e. hornwort
Biology & Microbiology
When an experiment has a large sample size, and there is a large difference between the results in the experimental and control groups, how likely is it that the experimental results are statistically significant?
A) very unlikely B) unlikely C) somewhat likely D) very likely
Biology & Microbiology
An example of ex situ conservation is a national park. Indicate whether the statement is true or false
Biology & Microbiology
Sharks can be oviparous, ovoviparous, or viviparous
a. true b. false
Biology & Microbiology