Which of the following structures places a fish in the class Actinopterygii?
a. swim bladder
b. pharynx with gills
c. nerve chord
d. pelvic fin
e. dorsal fins
E
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Approximately how many bases of RNA are hydrogen bonded to DNA within an RNA polymerase in E. coli?
A. 4 B. 8 C. 10 D. 14 E. 35
A special capsule or chamber where a plant will make the first cells of the gametophyte generation is called a ____
a. vascular system b. protonema c. sporangium d. rhizome e. shoot system
Individual "A" produces 10 offspring, 8 of whom survive to adulthood. Individual "B" (a member of the same population) produces 15 offspring, 7 which survive to adulthood. Based on the concept of natural selection, individual "A" has the higher fitness.
Answer the following statement true (T) or false (F)
In human blood types, the alleles for A and B are said to be ________ because they are both expressed equally if present in an individual
Fill in the blank(s) with correct word