Four elements make up more than 96% of the mass of most living organisms. Which of the following
is NOT one of those four elements?
a. sodium
b. carbon
c. oxygen
d. nitrogen
e. hydrogen
A
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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
Sexual reproduction introduces more genetic variation than does asexual reproduction.
Answer the following statement true (T) or false (F)
The stalk that supports the individual eudicot leaf is
the a. vascular bundle. b. petiole. c. node. d. bundle sheath. e. stomata.
A 100 ml sample of water is filtered through a sterile membrane, and the membrane is transferred to a plate of m-Endo agar. Following overnight incubation at 37°C, 57 green metallic colonies appear. The coliform count is
A. 5700 per 100 ml. B. 0.57 per 100 ml. C. 57 per 100 ml. D. too numerous to count.