Answer the following questions true (T) or false (F)
1. Eye cells can become beak cells once they are committed.
2. Cell death during development will always have negative, possibly fatal, effects on normal development.
3. Cells become more and more specialized as development progresses.
1. FALSE
2. FALSE
3. TRUE
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Match the following items with the correct phrases.
_______1. A ____________________ is a membrane-bound vesicle containing only an ingested object. _______2. The directed migration of leukocytes is known as ____________________. _______3. A ____________________ is a membrane-bound vesicle containing an ingested object and digestive enzymes. _______4. ____________________ is an increase in the diameter of blood vessels. _______5. ____________________ is a process by which phagocytosis is facilitated by the deposition of antibodies or complement fragments onto the surface of particles or cells. A. chemotaxis B. opsonization C. phagolysosome D. phagosome E. vasodilation
Compare and contrast characteristics of amphibians and reptiles. Include morphological structures,
differences in reproduction, respiration, circulation, and their habitats. What will be an ideal response?
The microbes known as archaea are (fungi/prokaryotes/protozoa).
Fill in the blank(s) with the appropriate word(s).
Which of the following is not transmitted via an arthropod vector?
A. Epidemic typhus B. Lyme disease C. Human Ehrlichosis D. Rocky Mountain spotted fever E. Leptospirosis