Oct 17, 2020 · 13) Which of the following statements concerning bacteria and archaea cells is correct ? A) Archaea cells contain small membrane - enclosed organelles; bacteria do not. B) DNA is present in the mitochondria of both bacteria and archaea cells. C) Bacteria contain mitochondria; Archaea do not. D) Archaea cells contain a membrane - bound nucleus ...
Feb 04, 2016 · 8. Which of the following statements regarding the Archaea is false? A. Archaea form a paraphyletic clade of prokaryotes with the Bacteria. B. Much of the world’s photosynthesis is carried out by the Archaea. C. Some Archaeans are hyperthermophiles, halophiles, and methanogens. D.
Feb 16, 2017 · A) cell wall of pseudopeptidoglycan B) membrane lipids made of isoprene chains C) the lack of pathogenic archaea D) All the above are correct. E) There are two correct answers among A-C. Share this link with a friend:
Nov 16, 2016 · Bacteria are essential to life on Earth. b. Certain bacteria obtain their energy from inorganic gases. c. Bacteria often have a symbiotic relationship with other organisms. d. a and b only e. a, b, and c. Correct Score: 1 of 1 12. You have just identified an Archaea species that lives on the scales of a deep-water fish.
order the following events in biofilm formation. 1. sticky surface texture attracts single cells. 2. colonists attach to the surface. 3. receptors, DNA, and other molecules are released as attractants. 4. individual cells break off to begin new biofilms.
1. the endospore provides protection in dry conditions. 2. the endospore is more resistant to antimicrobial agents. 3. endospores are highly resistant to radiation and heat. the density of the ribosome in bacteria is.
slime layer. lysozyme, an enzyme contained in tears and saliva, is a host defense against bacteria. its substrate is. peptidoglycan. lipopolysaccharide (LPS) is located. on the outer layer of the outer membrane. proteins are synthesized on the ___ , a small spherical structure located in the cytoplasm. ribosome.
7) Some strains of Staphylococcus aureus can invade the body and cause diseases such as pneumonia and bacteremia. A. 8) Mycoplasmas are named for the large quantities of mycolic acid in their cell walls. B.
3) Members of the Streptomyces are environmentally important because they can degrade a wide range of compounds including lignin from trees, chitin and keratin from animals, and latex. A. 4) Halophiles grow equally well in the presence or absence of high salt concentrations. B.