Question 32 All of the following are true regarding fimbriae, pili, and flagella, EXCEPT A) O Fimbriae and pili are generally used for attachment. B) O Specialized pili are used for DNA transfer between bacterial cells. C) O Bacterial chemotaxis occurs by the changing frequency of runs to tumbles. D) O Flagellar motion in a bacterium occurs in a rotary fashion, unlike a eukaryotic flagellum EO The pili of some bacterial species can be used for either a gliding or twitching type of motility There are no exceptions, A-E are all true. eneration time?

Question 32 All of the following are true regarding fimbriae, pili, and flagella, EXCEPT A) O Fimbriae and pili are generally used for attachment. B) O Specialized pili are used for DNA transfer between bacterial cells. C) O Bacterial chemotaxis occurs by the changing frequency of runs to tumbles. D) O Flagellar motion in a bacterium occurs in a rotary fashion, unlike a eukaryotic flagellum EO The pili of some bacterial species can be used for either a gliding or twitching type of motility There are no exceptions, A-E are all true. eneration time?

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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QUESTION 74 Look at the picture, What is the purpose of this structure attached to the bacteria that makes it more pathogenic? O used for locomotion Oused for attachment to surfaces and cells O used to prevent phagocytosis/ engulfment by immune cells O used to enter host cells QUESTION 75
Question 1Which of the following pairings is correct? Question 1 options: a) Fungi; cell walls b) Viruses; obligate aerobes c) Protozoa; multicellular d) Prokaryotes; nuclei
What are the primary differences between prokaryotic and eukaryotic cells? List at least three (3) differences.
QUESTION 19 You are interested in observing Archaea motility under a microscope. What do you see? • A. Runs backwards and forwards • B. Twitching O C. Tumbles D. Runs and tumbles O E. No movement as no species of Archaea make structures for locomotion
Question 12
Question 13 Which of the following types of RNA participate in protein synthesis by bringing the amino acids to the ribosomes? (A) hnRNA B MRNA c) TRNA D rRNA
Question 1 Listen If you are given a sample with 1,000,000 pfu/mL of bacteriophage (Tube A) and plate 1mL of the sample on a TSA plate, what will you observe after 24 hours incubation? (How many plaques?) 100,000 because it is a 1:10 dilution. Zero because bacteriophage need a host to grow. More than 300 because it will be TNTC. 1,000,000 plaques because there are 1,000,000 phage in 1mL.
i need the answer quickly
Question 45 When TRNAS and rRNAs have bases that H-bonds with other bases far apart from each other, the RNA molecules assume its secondary and tertiary structure. A) True B) False
Question 16 Which of the following is not used to culture viruses in the laboratory? A) Guinea pigs B cell lines from human embryos C embryonated eggs D) enrichment broth
Question 10 When DNA replication occurs in eukaryotic cells before Mitosis or Meiosis, the DNA starts to separate at multiple origins of replication. As the DNA continues to separate, a is formed. Question 10 options: A) B) C) D) DNA Bubble DNA Fork Daughter Cell Replication Bubble
Question 11 Which of the following statements is true regarding pili and flagella assembly? O Pili and flagella are synthesized in a similar fashion; the proteins are produced internally then added to the base of the growing appendage. O Pili and flagella are synthesized in a similar, complex manner, approximately 20 different proteins are made inside the cell then secreted to extend the tip of the appendage. O Pili grow when protein subunits are added to the base, whereas flagellin proteins are added to the tip of the flagella during growth. O Pili grow when protein subunits are added to the tip, whereas flagellin proteins are added to the base of the flagella during growth.