In land plants what % of the water transported by the xylem is used for metabolism?
a. 66%
b. 85%
c. 2%
d. 32%
e. 90%
c
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How does cellular respiration differ in prokaryotes and eukaryotes?
a. Eukaryotes use substrate-level phosphorylation; prokaryotes use oxidative phosphorylation. b. Eukaryotes use mitochondria; prokaryotes use their plasma membrane. c. Eukaryotes use NAD+/NADH; prokaryotes use FAD+/FADH2. d. Eukaryotes do not all use oxygen; prokaryotes only use oxygen. e. Eukaryotes use only glucose; prokaryotes use only galactose.
A typical soil is composed mostly of humus
____________________ Indicate whether the statement is true or false.
Massive _____ changes have occurred over time as a result of continental drift, leading in many cases to mass extinction of various species.
What will be an ideal response?
Tendons and ligaments are primarily composed of _____.
Fill in the blank(s) with the appropriate word(s).