Biology 252 Exam II 2026/2027 A Complete Question And Answer Full Exam EXAM

Biology 252 Exam II 2026/2027 A Complete Question And Answer Full Exam EXAM
1. **What is the central dogma of molecular biology?**
 - A. DNA is transcribed into RNA, which is translated into proteins.
 - B. RNA is transcribed into DNA, which is translated into proteins.
 - C. Proteins are transcribed into RNA, which is translated into DNA.
 - D. Proteins are directly synthesized from DNA.
 **Answer:** A. DNA is transcribed into RNA, which is translated into proteins.
2. **What is the function of the mitochondria in a cell?**
 - A. Protein synthesis
 - B. Energy production
 - C. Waste removal
 - D. Cellular communication
 **Answer:** B. Energy production
3. **Which of the following is NOT a kingdom in the classification system?**
 - A. Animalia
 - B. Protista
 - C. Monera
 - D. Phylum
 **Answer:** D. Phylum
4. **What is the purpose of mitosis in the cell cycle?**