BIO 181 ASU EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

BIO 181 ASU EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Prokaryote - Answer -Does not contain a nucleus Lacks membrane-bound organelles Chromosomes have direct contact with cytoplasm Eukaryote - Answer -Contains a nucleus Has membrane-bound organelles What are the three major regions of Prokaryotes? - Answer -Cell envelope, cytoplasmic region, and appendages (flagella, fimbriae, pili) What is the cell envelope in prokaryotes? - Answer -It is generally a plasma membrane covered by a cell wall, and may have a third layer called a capsule. What does the cytoplasmic region of prokaryotes contain? - Answer - The genome (double stranded DNA), ribosomes, and proteins. What is extrachromosomal DNA in prokaryotes? - Answer -It is called plasmids. What structures can project from the cell surface of prokaryotes? - Answer -Flagella, fimbriae, and/or membrane - Answer -Separates the interior of all cells from the outside environment (protection) Form a semi-permeable barrier- allows for selective transport of molecules across the membrane Endoplasmic Reticulum - Answer -Is a type of organelle found in eukaryotic cells that forms an interconnected network of flattened membrane enclosed sacs or tube like structures known as cisternae. The membranes of the ER and continuous with the outer nuclear membrane Serves many general functions, including the folding o protein molecules in sacs called cisternae and the transport if synthesized proteins in vesicles to the golgi apparatus Phospholipids are synthesized in the smooth ER The golgi apparatus - Answer -Part of the endomembrane system in the cytoplasm. It packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination Has a cis face and trans face, which are named based on the loca