Biol 2051 Micro Exam 1 -General Microbiology - Lsue

This study source was downloaded by 100000859819779 from CourseHero.com on 02-15-2023 10:48:18 GMT -06:00https://www.coursehero.com/file/189639310/micro-exam-1docxpdf/ Micro exam 11.The use of gram staining in micr obiology is important because they differ entiatea.Bacterial cells with dif ferent types of cell wallsb.Archaeal cells from eukaryotic cellsc.Prokaryotes from eukaryotes2.The cytoplasmic membrane could best be described asa.A rigid protective barrierb.Impermeable barrierc.A passive conduitd.A highly selective permeable barrier3.Differ ential selection and descent with modification occurs during a pr ocess calleda.Evolutionb.Cellular dif ferentiationc.T ransformationd.Growth4.If delta G is negative, the r eaction isa.Ender gonicb.Exer gonicc.Neither5.If delta G is positive, the r eaction isa.Ender gonic6.The rigid layer that is present in cell walls of bacteria that is primarily r esponsiblefor the str ength of the wall is known asa.Pseudomureinb.Cellulosec.Peptidoglycand.S-layer7.Micr obial sterilization is used to kill all micr obes in or on objectsa.T rueb.False8.Which of the following would be used by a chemoorganotr oph for energy?This study source was downloaded by 100000859819779 from CourseHero.com on 02-15-2023 10:48:18 GMT -06:00https://www.coursehero.com/file/189639310/micro-exam-1docxpdf/a.H+b.CO2c.C2H3O2-d.H29.Activation energy is the energy r equired for a chemical r eaction to begina.T rueb.False10.When does endospor e formation commence?a.When bacteria exponentially dieb.When the bacterium is under going binary fissionc.When bacterial growth ceases due to limitation of an essential nutrientd.Following bacterial death1 1.Cells