A stem that cannot increase in diameter is lacking what type of tissue?
A. xylem
B. ground meristem
C. procambium
D. protoderm
E. vascular cambium
E. vascular cambium
Monocot stems lack a vascular cambium (and cork cambium) and therefore do not increase in girth (diameter).
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Four of the five answers listed below are amoeboid protozoans. Select the exception
a. amoebas b. cellular slime molds c. plasmodial slime molds d. Dictyostelium e. diatoms
What is the correct order of blood flow through the cardiovascular system?
A. Capillaries - venules - veins - heart - arterioles - artery B. Capillaries - arterioles - artery - heart - venules - veins C. Heart - artery - arterioles - capillaries - venules - veins D. Heart - artery - arterioles - capillaries - veins - venules E. Heart - arterioles - artery - capillary - venules - veins
What phenomenon describes a genetic trait that is expressed more strongly or earlier in development with each generation?
A. epigenetics B. genomic imprinting C. maternally determined progeny phenotypes D. epistasis E. anticipation
As electrons move through the mitochondrial space
A) NADH is reduced. B) water is oxidized. C) ATP synthase works by active transport. D) the pH of the intermembrane space changes.