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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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)

Biology & Microbiology

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

Biology & Microbiology