The ____ are air-filled respiratory system structures common in insects
a. gills
b. tracheal tubes
c. lungs
d. integumentary surfaces
e. air sacs
ANSWER: b
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Which of these phases produces ATP?
Consider the three phases of glycolysis: (1) preparation and cleavage (Gly-1 to Gly-5) (2) oxidation (Gly-6 to Gly-7) (3) pyruvate formation (Gly-8 to Gly-10) A) 1 B) 2 C) 3 D) 1 and 2 E) 2 and 3
An estimate of the universal phylogeny, based on the small subunit rRNA, is reproduced in the accompanying figure. According to this reconstruction, the domain that Eucarya shares the most recent common ancestor with is ________
Fill in the blank(s) with correct word
Which of the following is TRUE about DNA?
a) all living organisms carry DNA in practically every cell in their bodies b) DNA can serve as an "individual identifier" c) DNA carries instructions for the functions of every cell and enzyme in living organisms d) DNA carries a record of evolutionary history e) all of the above answer choices are correct
Which of the following is a product of DNA replication?
a. a new strand of DNA b. rRNA c. tRNA d. mRNA