Diagram and label a cross section of a primary eudicot root. Identify the function of three of the
labeled tissues. What will be an ideal response?
The diagram should resemble an amalgamation of Figs. 36-3 and 36-4. The functions of tissues to
choose from are as follows:epidermis
: absorption of water and minerals
cortex: the bulk of the cortex is involved in storage
endodermis: regulates the flow of water and minerals into xylem
pericycle: site of lateral root formation
xylem: transport of water and minerals
phloem: transport of dissolved sugars
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Animals colonized land after plants did. The first land animals were _____, who first colonized land about _____ million years ago
A. insects; 575 B. hemichordates; 542 C. chelicerates; 420 D. insects; 360 E. myriapods; 100
If three molecules of a fatty acid having the formula C16H22O2 are each joined to a molecule of
glycerol (C3H8O3) with a dehydration synthesis reaction, the resulting neutral fat molecule would have the formula
a. C48H66O6. b. C48H72O8. c. C51H68O6. d. C51H72O8. e. C51H74O9.
Skeletal muscle fibers are composed of ____
a. cells b. nuclei c. myofibrils d. epithelial tissue e. bursa
Denitrifying bacteria:a
make nitrogen available for assimilation. b. decompose organic nitrogen compounds into nitrate. c. decompose organic nitrogen compounds into ammonia. d. fix nitrogen into ammonia. e. convert nitrate into atmospheric nitrogen.