Which of the following are the water conducting cells of the xylem?
A. tracheids and parenchyma
B. vessels and parenchyma
C. sieve tubes and tracheids
D. vessels and tracheids
E. parenchyma and sieve tubes
D. vessels and tracheids
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________ are microbial infections acquired by hospital patients with noninfectious diseases because they are compromised hosts
A) Healthcare-associated infections B) Immunocompromised infections C) Pathogenic infections D) Virulent infections
________ is the acquired inability to mount an adaptive immune response against self
A) Memory B) Specificity C) Tolerance D) Immunogenicity
Which one of the following properly groups a junctional complex with a cytoskeletal structure and cell adhesion molecule?
A. desmosome, microtubule, integrin B. desmosome, microfilament, integrin C. tight junction, cadherin, intermediate filament D. adherens junction, microfilament, cadherin
Which modern type of algae most closely resembles the algal ancestor of green plants?
a. Phaeophyta b. Chrysophyta c. Radiolaria d. Charophyta