ch 7, 8 and 9 1 of 51 ch 7, 8 and 9 Due: 11:59pm on Friday, June 14, 2019 You will receive no credit for items you complete after the assignment is due. Grading Policy Activity: Prokaryotic Cell Structure and Function Click here to complete this activity. Then answer the questions. Part A _____ are surface appendages that allow a bacterium to stick to a surface. ANSWER: Fimbriae Cell walls Mitochondria Ribosomes Flagella Part B What is a function of a bacterium's capsule? ANSWER: DNA storage protection propulsion protein synthesis Part C The DNA-containing region of this bacterial cell is indicated by the letter _____. 6/13/2019, 11:24 AM ch 7, 8 and 9 2 of 51 ANSWER: A B C D E Part D Where is a bacterial cell's DNA found? ANSWER: ribosomes nucleus peroxisome nucleoid region capsule Part E In a bacterium, where are proteins synthesized? ANSWER: ribosomes nucleus peroxisome nucleoid region capsule 6/13/2019, 11:24 AM ch 7, 8 and 9 3 of 51 Part F What name is given to the rigid structure, found outside the plasma membrane, that surrounds and supports the bacterial cell? ANSWER: capsule pili cell wall flagella nucleoid region Part G The _____ is the bacterial structure that acts as a selective barrier, allowing nutrients to enter the cell and wastes to leave the cell. ANSWER: plasma membrane nucleoid region ribosome pili cell wall Part H The structure that regulates the passage of material into and out of this bacterial cell is indicated by the letter _____. ANSWER: 6/13/2019, 11:24 AM ch 7, 8 and 9 4 of 51 A B C D E 6/13/2019, 11:24 AM