Endotoxins include which of the following?
A. Lipopolysaccharide
B. Tetanus toxin
C. Botulinum toxin
D. Diphtheria toxin
Answer: A
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Which of the following statements comparing fungal and animal nutrition is correct?
A. Fungi digest and then absorb food, whereas animals ingest and then digest food. B. Fungi are autotrophs, whereas animals are heterotrophs. C. Fungi and animals both ingest their food prior to digestion. D. Fungi are unable to break down complex molecules, whereas animals can breakdown complex molecules. E. Fungi and animals both actively move through the environment in search of food.
Select the two main phagocytic cells that are involved in the inflammatory response.
A female with two Barr bodies in her cells would have what combination of sex chromosomes?
A) XXY B) XXXY C) XXX D) XX E) XYY
The first eukaryotic fossils are dated to about ____.
A. 2.7 billion years ago B. 1.8 billion years ago C. 1.5 billion years ago D. 750 million years ago E. 201 million years ago