Typically, water and minerals absorbed by plant roots first enter through the ____.

A) pericycle
B) vascular tissue
C) cortex
D) epidermis
E) endodermis

Which of the following is true of the intervals of the ECG?

A) They lie entirely along the isoelectric line.
B) They all contain at least 2 segments.
C) They all contain at least 1 wave and 1 segment.
D) They all contain the QRS complex.
E) They all contain the P wave.

Which of the following statements about sensory receptors is true?

A) Sensory receptors consist of the endings of efferent neurons.
B) Sensory receptors detect changes in the external or internal environment.
C) Several sensory organs make up a sensory receptor.
D) Sensory receptors produce small amounts of energy on a continual basis.
E) Sensory receptors detect changes in the external but not the internal environment.

Fertilization normally occurs in the ____.

A) vagina
B) oviducts
C) uterus
D) labia major
E) cervix

Which of the following symptoms would not be typical of otitis media?

A) pain
B) sense of fullness in the ear
C) hearing loss
D) headache
E) dizziness

Innate immunity involves B and T cells.

Aspergillus

A) grows inside living plants and siphons sugars
B) baker's yeast
C) human fungal vaginitis
D) black bread mold
E) infects trees and feeds on the decaying remains
F) soy sauce fermentation
G) edible mycorrhizal fungi