WGU Introduction to Biology (KBC1, C190) - Introduction-to-Biology Exam Practice Test
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
A subatomic particle has a relative mass of 1, isuncharged, and is located in thecenter(nucleus) of the atom.
What is this particle?
What is this particle?
Correct Answer: B
Vote an answer
A species of fish can have dominantred fins (R)or recessivewhite fins (r), and dominantlong fins (L)or recessiveshort fins (l). In adihybrid cross, each parent isheterozygousfor both traits (RrLl × RrLl). How manydifferent gamete genotypescan each parent produce?
Correct Answer: B
Vote an answer
How doesgene flowtypically affect therecipientpopulation?
Correct Answer: B
Vote an answer
Molecules withhydrophilic headsandhydrophobic tailsform round structures with tails facing inward when placed in water. What role do such molecules play in a cell?
Correct Answer: C
Vote an answer
What is the correctorderof the major events inDNA replication?
Correct Answer: C
Vote an answer
Agroup of lionsthat preys on deer constitutes which ecological level?
Correct Answer: A
Vote an answer