Answer the question using the accompanying figure. The structure labeled "7" is the ____
a. food vacuole
b. gullet
c. macronucleus
d. micronucleus
e. mitochondrion
ANSWER: c
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The radius and ulna are considered to be part of ____
a. both the axial skeleton and the appendicular skeleton b. the axial skeleton only c. neither the axial skeleton nor the appendicular skeleton d. the appendicular skeleton only e. the axial or appendicular skeleton depending on the animal
The first organisms that did not require water for reproduction were the:
a. ferns b. lycophytes c. mosses d. flowering plants e. gymnosperms
Fill in the blanks to complete the following statements. ? The dilatation of blood vessels allowing the passage of fluid, antibodies, and WBCs into the infected ?body area is known as ______________
Fill in the blank(s) with correct word
Which sequence of events is correct for a specific immune response?
A. lymphocyte development, presentation of antigens, antibody production, challenge of B-cells B. antibody production, lymphocyte production, B-cell challenge, presentation of antigens C. lymphocyte development, presentation of antigens, B-cell challenge, antibody production D. presentation of antigens, B-cell challenge, antibody production, lymphocyte development E. lymphocyte development, challenge of B-cells, antibody production, presentation of antigens