Cells and Genome Questions and Answers 2025/2026 |
Verified and Correct
Description: Exam 1 study material for PCB3023 (Cell Biology) at Florida Atlantic University,
taught by Professor Theisen, updated for 2025/2026. Includes verified questions with 100%
correct answers covering cells, genomes, and molecular biology concepts.
Keywords: PCB3023 FAU Theisen cell biology molecular biology genomics biology exam
PCB3023 Exam 1 – Cell Biology Test 1 FAU Theisen CH.1: Cells and Genome Questions and
Answers 2025/2026 | Verified and Correct
1. What is the basic structural and functional unit of all living organisms?
A. DNA
B. Protein
C. Cell
D. Organelle
2. The central dogma of molecular biology describes the flow of genetic information as:
A. Protein → RNA → DNA
B. DNA → Protein → RNA
C. DNA → RNA → Protein
D. RNA → DNA → Protein
3. Which of the following organisms is a prokaryote?
A. Mushroom
B. Amoeba
C. Escherichia coli
D. Plant cell
4. The genetic material of a cell is composed of:
A. Proteins
B. Lipids
,C. Nucleic Acids
D. Carbohydrates
5. Which cellular structure is unique to prokaryotic cells?
A. Nucleus
B. Mitochondria
C. Nucleoid
D. Golgi Apparatus
6. The rough endoplasmic reticulum is primarily involved in:
A. Lipid synthesis
B. Protein synthesis
C. ATP production
D. Detoxification
7. What is the primary function of the mitochondria?
A. Photosynthesis
B. Protein Synthesis
C. Cellular Respiration and ATP production
D. Lipid Storage
8. The "workbench" where proteins are synthesized in the cell is the:
A. Nucleus
B. Ribosome
C. Lysosome
D. Golgi Apparatus
9. Which organelle contains its own DNA?
A. Nucleus and Mitochondria
B. Ribosome and Endoplasmic Reticulum
C. Golgi Apparatus and Lysosome
D. Peroxisome and Vacuole
10. The plasma membrane is primarily composed of a:
A. Carbohydrate bilayer
B. Protein bilayer
C. Phospholipid bilayer
D. Nucleic acid bilayer
11. The complete set of DNA in an organism, including all of its genes, is called the:
A. Proteome
, B. Chromosome
C. Genome
D. Transcriptome
12. In a eukaryotic cell, where is the majority of the cellular DNA located?
A. Mitochondria
B. Cytoplasm
C. Nucleus
D. Ribosome
13. What is the main difference between chromatin and chromosomes?
A. Chromosomes are made of RNA, chromatin is made of DNA.
B. Chromatin is the condensed form of DNA, chromosomes are the decondensed form.
C. Chromosomes are the condensed form of DNA, chromatin is the decondensed form.
D. There is no difference; they are the same structure.
14. The process by which a segment of DNA is copied into RNA is called:
A. Replication
B. Translation
C. Transformation
D. Transcription
15. The process by which the mRNA code is read to synthesize a protein is called:
A. Replication
B. Translation
C. Transformation
D. Transcription
16. What are the building blocks (monomers) of proteins?
A. Nucleotides
B. Fatty Acids
C. Monosaccharides
D. Amino Acids
17. A gene is best defined as a segment of DNA that codes for a:
A. Functional protein or RNA product
B. Specific carbohydrate
C. Lipid molecule
D. All of the above