Microbiology 311 Exam 1 Practice Questions | Latest | Verified | Guaranteed Success

Regarding early life on Earth a. microbial life existed for billions of years before plant and animal life. b. microbial life existed long before animals but has been around for about the same amount of time as plants. c. microbial life, plant life, and animal life all appeared at about the same time. d. it is impossible to determine which type of life first appeared. - a. microbial life existed for billions of years before plant and animal life. The person who described the "wee animalcules" was a. Robert Hooke. b. Antoni van Leeuwenhoek. c. Louis Pasteur. d. Ferdinand Cohn. - b. Antoni van Leeuwenhoek. Which of the following is/are characteristic of all cellular organisms? a. communication. b. evolution. c. motility. d. communication, evolution, and motility. - b. evolution Which of the following statements is FALSE? a. Microbial cells can exist as single cells. b. Microbial cells carry out their life processes of growth independently. c. Microbial cells include both bacteria and viruses.d. Microbial cells are surrounded by a plasma membrane. - c. Microbial cells include both bacteria and viruses. 10) Cells move polar molecules across the cell membrane against a concentration gradient using