Latex or resin canals evolved independently in more than 40 different lineages of plants

A. true
B. false


A

Biology & Microbiology

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The main structure for gas exchange in plants is called the

A. root. B. epidermis. C. stomata. D. mesophyll. E. chloroplast.

Biology & Microbiology

Which of the following methods uses gene cloning and genomic libraries?

A. Whole genome sequencing D. More than one of these B. Map-based sequencing E. None of these C. DNA base sequencing

Biology & Microbiology

Birds are most closely related to:

a. reptiles. b. testudines. c. mammals. d. labyrinthodonts. e. terrapins.

Biology & Microbiology

The outer part of a G protein receptor binds to a(n) ____, and its inner part binds to a(n) ____

a. G protein; ion channel b. G protein; tyrosine kinase c. ion channel; G protein d. signaling molecule; G protein e. signaling molecule; tyrosine kinase

Biology & Microbiology