Mature vessel elements:a
form sieve tubes in the vascular tissue.
b. have pits in their walls, which allow water to be transported laterally.
c. are alive and contain cytoplasm.
d. are given support by companion cells.
e. occur in pairs, forming stomata in the epidermis.
B
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29. What are the products of beta-oxidation?
a. amino groups b. acetaldehyde groups c. acetyl groups d. fatty acid chains
A species that is so important to its community (such as the sea otter) that their removal can dismantle a food web is termed a species.
A. capstone B. flagstone C. cobblestone D. cornerstone E. keystone
The ____ classification system classifies viruses based on the type of nucleic acid the virus contains
a. Linnaean b. Mendelian c. Baltimore d. Philadelphia e. International Committee on Taxonomy of Viruses
characterizations of the gallbladder
What will be an ideal response?