Jelly-like material inside the cell:
a. cytoplast
b. cytosol
c. cytocell
Ans: b. cytosol
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Which is a characteristic of malignant cells?
a. abnormal plasma membrane and cytoplasm; abnormal cell division b. normal plasma membrane and cytoplasm; abnormal cell division c. abnormal plasma membrane, normal cytoplasm; normal cell division d. normal plasma membrane, abnormal cytoplasm; abnormal cell division e. normal plasma membrane and cytoplasm; normal cell division
In aquatic ecosystems, zooplankton are consumed by phytoplankton.
Answer the following statement true (T) or false (F)
In the cladogram shown, the animals across the top are a lancelet, lamprey, salmon, lizard, and rabbit (from left to right). If the salmon, lizard, and rabbit are an ingroup, which animals make up the outgroup, and which characteristics are synapomorphies of the ingroup?
A. Lamprey and lancelet; notochord and vertebrae B. Lancelet, lamprey and salmon; notochord, vertebrae, and a hinged jaw. C. Lancelet and lamprey; hinged jaw. D. Lancelet only; notochord, vertebrae, hinged jaw, tetrapod, and mammary glands. E. Lizard and rabbit; tetrapod and mammary glands.
The Gram-negative opportunistic rod that can grow in a wide variety of environments, including disinfectants and soaps, is
A. E. coli. B. S. aureus. C. S. pyogenes. D. P. aeruginosa.