The source of a plant's new cells is a type of plant tissue called its
A. tracheid.
B. meristem.
C. guard cell.
D. cortex.
E. mesophyll.
Ans: B. meristem.
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In general, communities that characterize a
biome are arrays of species that are adapted to a. specific temperatures. b. patterns of rainfall. c. soil type. d. each other. e. all of these
The M phase of the cell cycle involves two main processes:a
mitosis and cytokinesis. b. meiosis I and meiosis II. c. homologous pairing and crossing-over. d. interphase and mitosis. e. mitosis and meiosis
What is the amount of time necessary for the production and development of a pine seed?
a) 3 months b) 9 months c) 12 months d) 24 months e) 36 months
Skeletal muscle can operate anaerobically for short periods, producing ________ and a small amount of ATP
a. lactate b. pyruvate c. creatine d. phosphate