Biology 1050 Final Exam (2023 Fall) PDF

## Biology 1050 Final Exam (2023FA) ### Short Answer Questions (35p) 1A. What are the 3 domains of life? (3p) - Bacteria - Archaea - Eukarya 1B. Which domain(s) is/are eukaryotic and which domain(s) is/are prokaryotic? (3p) - Eukarya is eukaryotic - Bacteria and Archaea are prokaryotic 2A. Chemica...

## Biology 1050 Final Exam (2023FA) ### Short Answer Questions (35p) 1A. What are the 3 domains of life? (3p) - Bacteria - Archaea - Eukarya 1B. Which domain(s) is/are eukaryotic and which domain(s) is/are prokaryotic? (3p) - Eukarya is eukaryotic - Bacteria and Archaea are prokaryotic 2A. Chemical elements are defined by their number of which fundamental particle? (1p) - Protons 2B. Define the isotopes of an element. (3p) - Isotopes are atoms of the same element that have the same number of protons but a different number of neutrons. 3. What are the 3 foundations of cell theory? (3p) - All living organisms are made up of cells. - The cell is the basic unit of structure and function in all living organisms. - All cells come from pre-existing cells. 4. Fill in the Table. (12p) | | Prokaryotes | Eukaryotes | |-------------------|----------------|----------------| | Nucleus | Yes or No | Yes or No | | Chromosome(s) | Haploid | | | Gene arrangement | | | | Transcription location | | | | Translation location | | | | Organelles | Yes or No | Yes or No | | Cell membrane additions | Hopanoids | | 5. What are the 3 mRNA processing reactions in eukaryotes? (3p) - 5' capping - Splicing - Polyadenylation ### Label the diagram. (5p) - A: Lysosomes - B: Cytoskeleton - C: Rough endoplasmic reticulum - D: Peroxisomes - E: Nucleus 6B. What is the function of C? (1p) - The rough endoplasmic reticulum is involved in protein synthesis and the transport of proteins. 6C. C has been shown to be evolved from what? (1p) - The rough endoplasmic reticulum is believed to have evolved from the invagination of the plasma membrane.