The only photosynthetic tissue is ________
a. mesophyll
b. sclerenchyma
c. xylem
d. collenchyma
a
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Dynein is a motor protein found attached to:
A. lamin. B. microfilaments. C. microtubules. D. intermediate filaments.
A rain shadow is created when ____
a. cool air descends and replaces warm air over land through onshore flow b. wind direction reverses seasonally c. cool air descends and replaces warm air over the sea through offshore flow d. dry air on the windward side rises and absorbs water on the leeward side, such that the leeward side remains dry e. mountains force air to sink and absorb water on the windward side, causing the leeward side of the mountains to receive excessive rainfall
An example of a mutualistic relationship is that of bacteria
A. decomposing organic material. B. causing diseases. C. producing nitrogen-containing molecules in the roots of plants. D. being used in the chemical industry.
Mitochondria contain
a. no genes of their own. b. genes for mitochondrial proteins. c. genes for mitochondrial proteins and rRNAs. d. genes for mitochondrial proteins, rRNAs, and tRNAs.