Trace the path of blood flow through the heart and lungs, starting with the superior and inferior vena cava.
What will be an ideal response?
Blood enters the heart through the superior and inferior vena cava - right atrium - atrioventricular valve - right ventricle - pulmonary semilunar valve - pulmonary trunk - pulmonary arteries - lungs - pulmonary veins - left atrium - atrioventricular valve - left ventricle - aortic semilunar valve - aorta.
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Free-living flatworms (planaria) move by using
(a) cilia. (b) flagella. (c) pseudopodia. (d) a muscular foot.
Which of the following is the most direct benefit of high-throughput Sanger sequencing?
A. Bases can be identified as soon as they are added to the template. B. RNA can be directly sequenced without first reverse transcribing it into DNA. C. An entire chromosome can be sequenced without disrupting it into smaller fragments. D. Many DNA samples can be sequenced simultaneously
Comb jellies may not be the most familiar animal to you, but they are critical in the food chain because they make up a significant portion of the planktonic biomass
Their feeding strategy is predatory and involves adhesives or mucus on their tentacles or other body parts. What feeding tactic do these animals use? A) suspension feeder B) fluid feeder C) deposit feeder D) food-mass feeder
Which of the following statements about the primosome is false?
A) The primosome is responsible for starting DNA replication. B) The primosome includes helicase to unwind the DNA. C) The primosome includes RNA polymerase to build the protein. D) The primosome is recruited to the origin of replication. E) The primosome includes primase to lay down RNA primers that will jump-start replication.