A root cap:a
protects the fragile meristematic cells at the root tip.
b. pushes the root tip deeper into the soil.
c. protects the cells located in the lateral meristem.
d. arises from the stem apical meristem.
e. will differentiate into primary tissues of the adult plant.
A
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Which of the statements about haptens is correct?
A. Haptens are usually large proteins. B. Haptens are generally large polysaccharides. C. Haptens are typically lipid molecules. D. Haptens are usually small organic molecules.
Hemophilia is not seen in individuals heterozygous for the hemophilia gene. Thus, the disease is ________.
a. recessive b. codominant c. dominant d. X-linked
Which tissue has no direct blood supply?
a. cartilage b. adipose c. loose connective d. dense connective e. bone
Antibodies perform all of the following functions EXCEPT ____
a. activate complement b. provide protection in secretions c. directly destroy and remove foreign antigens d. act as B cell receptors e. bind and neutralize blood toxins