Prokaryotic cell walls function
A) to promote flexibility and formation of pseudopodia.
B) to prevent the cell from bursting in a hypotonic environment.
C) to propel cells (locomotion).
D) as a site of metabolic reactions (photosynthesis and cellular respiration).
Answer: B
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Protein synthesis inhibitors have a low therapeutic index because they usually cannot discriminate between prokaryotic and eukaryotic ribosomes.
Answer the following statement true (T) or false (F)
An organ is made up of
a. a single type of tissue. b. glandular tissue. c. 2 or more tissues working together to perform a specific task. d. muscle tissue that has differentiated from stem cells. e. none of these.
Which of the following movements is not based on actin-myosin interactions?
a. Cell migration (crawling) over surfaces b. Chromosome movement during anaphase A c. Cytokinesis of animal cells d. Phagocytosis e. None of the above
Among the areas of the female genital tract, which of the following is NOT colonized by Neisseria gonorrhoeae?
A) the vagina B) the cervix C) the uterus D) the Fallopian tubes E) the pelvic organs