WGU Introduction-to-Biology Actual Free Exam Questions & Community Discussion

  • Exam Code/Number: Introduction-to-Biology
  • Exam Name/Title: WGU Introduction to Biology (KBC1, C190) Exam
  • Certification Provider: WGU
  • Corresponding Certification: Courses and Certificates
  • Exam Questions: 80
  • Updated On: Jun 01, 2026
During whichphase of mitosisare the replicated chromosomessplitand the daughter chromosomesmoved to opposite poles?
Correct Answer: C Vote an answer
What is the correctorderof the major events inDNA replication?
Correct Answer: D Vote an answer
In a multigeneration family study,8% of malesandfar fewer femalesshow a trait (e.g., red hair). What is the most likely cause?
Correct Answer: D Vote an answer
Which statement correctly describes the flow of information duringgene expression?
Correct Answer: C Vote an answer
Cities near the ocean often haveless temperature variationbetween winter and summer than inland cities.
Which property of water explains this observation?
Correct Answer: C Vote an answer
Cells use ATP to power muscle contraction. During contraction, ATP is converted to ADP and inorganic phosphate. What is happening to energy in this conversion?
Correct Answer: D Vote an answer
What is a necessaryinputto begin the process ofcellular respiration?
Correct Answer: D Vote an answer

Refer to theSpecies A-D Cladogram (Node X). What doesNode Xrepresent?
Correct Answer: A Vote an answer
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