Where would you expect to find the Ca2+-activated form of gelsolin in cells crawling by amoeboid movement?
A) in and around focal adhesions
B) at a pseudopodium tip where endoplasm is converting to ectoplasm
C) at a pseudopodium base where ectoplasm is converting to endoplasm
D) in the primary cilium
E) at the cell trailing edge where force is produced to drive endoplasm forward streaming
Answer: C
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A) glycosaminoglycan. B) proteoglycan. C) hyaluronate. D) pectin. E) fibronectin
In the vicinity of the equator, air warmed by solar radiation rises
Indicate whether the statement is true or false
The recognition sequences for many restriction enzymes are
A) terminal repeats. B) tandem repeats. C) palindromic. D) inverted repeats. E) dual repeats.
The virulence factors attributed to Listeria monocytogenes include:
A. The organism is a facultative intracellular pathogen B. Cell attachment factors (internalins), hemolysins (listeriolysin O, two phospholipase Cs), and a protein thatmediates actin-directed motility (ActA) C. The presence of capsule to resist phagocytosis D. Only 'A' and 'B' E. All of the above