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BIO 242 Exam 2 2025 Questions and Answers Bridge of Prokaryote Bacteria to Eukaryote Protista - --CORRECT ANSWER-2.7 billion years ago big revolution; prokaryotes to protista; first cells were very tiny Prokaryotes to eukaryotes - --CORRECT ANSWER--Prokaryotes 1/10 of eukaryotes; all living organisms have cell wall prokaryotes - --CORRECT ANSWER--went through bacterial war (only those without cell wall survived), have cell membrane; cannon increase mem SA by folding; slow synthesis of oxygen molecules; structurally different ribosomes; circular genes; aerobic respiration eukaryotes - --CORRECT ANSWER--cell membrane; organelles; folded cell membrane form organelles; fast synthesis of oxygen (organelles); ribosomes produced by nucleolus (protein synthesis); flagella and cilia Steps of evolution of prokaryotes to eukaryotes - --CORRECT ANSWER--1. Rid cell wall in bacterial war (antibiotics kill those with cell wall) 2. Folding of cell membrane (leads to organelles, membrane allows surface for synthesis of proteins/fats/lipids) ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1