The bulk of an herbaceous eudicot root consists of loosely arranged parenchyma cells in the:a

endodermis.
b. pericycle.
c. epidermis.
d. cortex.
e. periderm.


D

Biology & Microbiology

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In mammals, urine drains out of the ____ into a collecting duct

a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle

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Which structure is the site of the synthesis of proteins that may be exported from the cell?

a. rough ER b. lysosomes c. plasmodesmata d. Golgi vesicles e. tight junctions

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It has been found that a particular "+ –" combination of frameshift mutations in gene X gives a wild-type phenotype, whereas a "– +" combination gives a mutant phenotype, even though the sites of insertion/deletion are the same

How might these results be explained?

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Which membranous organelle, present in both animal and plant cells, is primarily used for storage?

A. the vacuole B. the Golgi apparatus C. the lysosome D. the mitochondrion

Biology & Microbiology