You are given an unknown organism to identify. It is unicellular and heterotrophic. It is motile, using many short extensions of the cytoplasm, each featuring the 9 + 2 filament pattern
It has well-developed organelles and two nuclei, one large and one small. This organism is most likely to be a _____. A) foraminiferan
B) radiolarian
C) ciliate
D) kinetoplastid
C
You might also like to view...
Which type of connective tissue is abundant in the walls of arteries, and in the airway?
A) dense irregular connective tissue B) elastic tissue C) dense regular connective tissue D) cartilage
In four-o'clock plants, red flower color is dominant to white flower color. However, heterozygous plants have a pink color. If a pink-flowered plant is crossed with a white-flowered plant, what will be the phenotypic ratios of their offspring?
A. ¼ red, ½ pink, ¼ white B. All pink C. All white D. ½ pink, ½ white E. ½ red, ½ pink
Action potentials in muscle fibers cause
a. the sarcoplasmic reticulum to release ATP. b. the sarcoplasmic reticulum to release calcium. c. myosin-actin bonds to break. d. the energizing of myosin molecules. e. all of these to occur
The critical enzymatic virulence factor that aids survival of Helicobacter pylori in the harsh acidic environment of the stomach is ________, which increases the local pH by converting urea to CO2 and NH3.
Fill in the blank(s) with the appropriate word(s).