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WGU Introduction-to-Biology Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Evolution | - Natural selection and adaptation - Evidence for evolution |
| Topic 2: Scientific Inquiry and the Nature of Science | - Data interpretation and analysis - Scientific method and experimental design |
| Topic 3: Cell Biology | - Cellular respiration and energy processes - Cell transport and membranes - Cell structure and organelles |
| Topic 4: Genetics and Heredity | - DNA structure and function - Mendelian genetics and inheritance patterns |
| Topic 5: Ecology | - Ecosystems and energy flow - Populations and environmental interactions |
WGU Introduction to Biology (KBC1, C190) Sample Questions:
Question 1
A researcher studies an organism with these traits:~0.3 #msize, cell membrane enclosing contents,free ribosomesin cytoplasm, andgenetic material loosely distributedin the cytoplasm. Which statement is true?
A. It is a prokaryote because it is microscopic.
B. It is a prokaryote because it lacks a nucleus.
C. It is a eukaryote because it contains ribosomes.
D. It is a eukaryote with both a cell membrane and cell wall.
Question 2
What is the process in which microbes convert glucose,in the absence of oxygen, intotwo ethanolmolecules andtwo carbon dioxidemolecules?
A. Phosphorylation
B. Aerobic oxidation
C. Carbon fixation
D. Fermentation
Question 3
Which statement correctly describes how anionic bondforms?
A. An electron is transferred from one atom to another
B. Two ions share several pairs of electrons
C. Two atoms are attracted to a nearby hydrogen atom that binds them together
D. Two atomic nuclei fuse to form a single molecule
Question 4
A gene sequenceCGCATACGGTACencodes a peptide (Arg-Ile-Arg-Tyr). A mutation inserts aGafter the secondC. How will this most likely affect the phenotype?
A. Affects phenotype; only the first amino acid changes
B. Affects phenotype; all amino acids after the first will change (frameshift)
C. No effect; protein will be identical
D. No effect; only the second amino acid changes
Question 5
Agroup of lionsthat preys on deer constitutes which ecological level?
A. Community
B. Ecosystem
C. Biome
D. Population
Solutions:
| Question 1 Answer: B | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: B | Question 5 Answer: D |
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