Which of the following statements is FALSE?
A) Leukocidins destroy neutrophils.
B) Hemolysins lyse red blood cells.
C) Hyaluronidase breaks down substances between cells.
D) Kinase destroys fibrin clots.
E) Coagulase destroys blood clots.
E
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For the subphyla of arthropods discussed in this chapter, make a table listing the name, identifying characteristics, and
two member organisms for each subphylum. BONUS: Identify and correctly place the arthropod classes in each subphylum and identify a representative of each class. What will be an ideal response?
Humans belong to which of the following domains?
A) Bacteria B) vertebrates C) Eukarya D) Archaea
Which phosphorylation mechanism for recharging ADP to ATP is incorrectly matched with its description?
A) Substrate-level phosphorylation: A phosphate is transferred to ADP from a high-energy substrate after passing through an electron transport chain. B) Photophosphorylation: Passes electrons energized by solar energy through an electron transport chain C) Oxidative Phosphorylation: Passes electrons stripped from nutrients through an electron transport chain D) The descriptions for oxidative phosphorylation and photophosphorylation are incorrectly matched. E) The descriptions for oxidative phosphorylation, photophosphorylation, and substrate-level phosphorylation are incorrectly matched.
The Pax6 gene codes for a transcription factor that initiates differentiation of cells that ultimately form the eye. Suppose that a researcher added an activator for the Pax6 gene to embryonic cells that are in the process of forming legs in Drosophila
What do you think the researcher will observe? A) Legs and eyes will develop normally. B) Legs will develop where the eyes normally develop. C) Eyes will develop where the legs normally develop.