Any gene, when mutated, that leads to an organism with structures in abnormal or unusual places, is referred to as a(n) ________________ gene.
A. Heterotic
B. Vestigial
C. Homeotic
D. Mutagenic
E. Embryotic
C. Homeotic
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Four of the five choices below are components
of the human lymphatic system. Select the EXCEPTION.
a. spleen b. pancreas c. tonsils d. lymph nodes e. thymus
Many European ecologists use a complex taxonomy of communities, based on a rigidly defined method of sampling plant species composition, which places each community in a hierarchy of types organized by their similarity. After whom is this system named?
A) R. H. Whittaker B) H. A. Gleason C) F. E. Clements D) J. Braun-Blanquet
In which of the following patterns of disease does the patient experience no signs or symptoms?
A) prodromal B) decline C) convalescence D) incubation E) both incubation and convalescence
One function of cell walls in plants is to prevent the continual increase in the expansion of the cell membrane.
Answer the following statement true (T) or false (F)