BIOLOGY 111 EXAM 2 (QUESTIONS & ANSWERS)| VERIFIED SOLUTION

BIOLOGY 111 EXAM 2 (QUESTIONS & ANSWERS)BIOLOGY EXAM 2 (QUESTIONS & ANSWERS) 1) Carl Woese successfully argued that biologists group living things according to domains rather than kingdoms. He also argued that Archaea and bacteria had to be placed in separate domains because a. Bacteria are polyphyletic, whereas Archaea and Eukarya are monophyletic b. Bacteria and archaea both use fMet as their first amino acid translation during protein synthesis c. They both are prokaryotes d. Only the archaea are extremophiles e. Archaeas molecules and gene expression share more similarities with eukaryotes than bacteria 2) Prokaryote cells are typically in diameter, whereas eukaryotes cells are typically in diameter a. 10 nanometers, 100 nanometers b. 10 micrometers, 100 micrometers c. 10 milliliters, 100 milliliters d. 10 nanometers, 1 milliliter e. 1 micrometer, 10 micrometers 3) The scientific name of the native Louisiana Iris in proper scientific format is a. Iris hexagona b. Iris Hexagona c. Iris Hexagona d. Iris hexagona e. Iris hexagona 4) The most likely explanation for the identical amino acid sequence of human and chimpanzee’s beta globin protein is that a. Humans evolved from chimpanzees b. Humans and other chimps are not closely related c. Convergent evolution led to the protein similarities d. Chimpanzees evolved from humans e. Humans and chimps share a relatively recent common ancestor 5) E. coli is commonly called a gram negative bacteria because after gram staining it looks under a microscope a. Light pink and spherical b. Light pink and rod shaped c. Light pink and spiral shaped