____ is an anticoagulant used by leeches
a. Chitin
b. Hirudin
c. Saxitoxin
d. Pheromone
e. Calcium carbonate
b
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The Taenia multiceps tapeworm is 5 to 6 cm long and consists of 200 to 250 segments. It has four suckers in its scolex and a proboscis with 22 to 32 hooks arranged in two rows. This organ-ism causes which condition?
a. Coenurosis b. Cysticercosis c. Hydatid disease d. Sparganosis
A plant cell lacking this structure cannot make carbohydrates and amino acids. What is that structure?
a. chromosomes b. chloroplast c. mitochondrion d. vacuole e. lysosomes
Inclusion bodies ________
A) are important for a protein's function B) can only be found in the primary structure C) assist in protein purification D) are insoluble clumps of foreign protein E) are often part of the final protein product
During inflammation, which of the following releases histamine?
a) eosinophil b) mast cells c) plasma cells d) B cells