Eukaryotic cilia and flagella:
A) may also act as receptors for hormones.
B) are both involved in sweeping the lungs clean of foreign matter.
C) occur in large numbers on the surface of the cell.
D) are only found in single-celled organisms.
E) both have microtubules forming their underlying structure.
Answer: E
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The 140 kbp genome containing many short repeats, ribosomal RNA genes, one RNA polymerase gene (rpo) and one RubisCO gene (rbcL) is most likely from a(n)
A) plant. B) autotrophic bacterium. C) chloroplast. D) autotrophic archaeon.
________ is the molecule associated with receptor-mediated endocytosis that "coats" the vesicle until it is released.
Fill in the blank(s) with the appropriate word(s).
Which of the following cell structures is associated with cellular respiration?
a. Golgi apparatus b. lysomes c. mitochondria d. vacuoles
Linda is studying the interaction between porcupines, pinion pine trees, and pine bark beetles. Over the course of her study in northern Texas, she observes the behaviors of 25 porcupines, records the location of 151 pinion pines, and traps 332 beetles. Her study encompasses _________ population(s) and ___________ organisms.
Fill in the blank(s) with the appropriate word(s).