Match the following items to the correct phrase.
_______1. Bacteria without cell walls.
_______2. Acid-fast bacteria.
_______3. Curved, Gram-negative bacilli.
_______4. Spore-forming bacteria.
_______5. Bacteria having complex nutritional requirements.
a. Fastidious bacteria
b. Mycoplasma spp.
c. Clostridium and Bacillus spp.
d. Mycobacterium and Nocardia spp.
e. Vibrio species
1. B
2. D
3. E
4. C
5. A
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A person has a genetic disease that prevents the phospholipids in the plasma membrane of the white blood cells from
freely fusing with the other membranes within the cell. How would this disease affect phagocytosis? a. Endocytosis would not occur. b. Lysosomes would not be formed. c. Facilitated diffusion would not occur. d. Lysosomes would be formed lacking hydrolytic enzymes. e. The phagocytic vacuole would not fuse with the lysosome.
Dinoflagellates are best described as
A) protozoans that use cilia to move and feed. B) a clade of protists including unicellular autotrophs, heterotrophs, and mixotrophs C) parasitic diatoms that must spend part of their life cycles in vertebrate hosts. D) large, multicellular algae that resemble plants but do not have true leaves, stems, or roots.
A spore can be detected with high level of certainty based on which component?
a. DNA b. lipids c. peptidoglycan d. calcium dipicolinic acid
Which of the following is not present in all eukaryotic cells?
A. endoplasmic reticulum B. ribosome C. Golgi bodies D. cell wall E. plasma membrane