Homework Answers
In this case, the correct answer is invasins. These proteins are present in several bacteria such as Salmonella and they allows the bacterial cell to penetrate into the host cell, Generally, it plays an important role during the initial stage of the infection.
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59) Proteins that cause the actin of the host cell's cytoskeleton to form a basket that...
QUESTION 48 is the ability of bacteria to alter surface proteins on the cell wall. a....
QUESTION 48 is the ability of bacteria to alter surface proteins on the cell wall. a. Antigenic variation b. Phase variation c. Density expression d. Quorum sensing e. none of the above
15.) An oncovirus can cause uncontrolled cell growth by A. interfering with the activity of host...
15.) An oncovirus can cause uncontrolled cell growth by A. interfering with the activity of host cell cycle regulation proteins B. creating a cytocidal infection C. budding from the host cell D. causing lysogenic conversion E. none of the above, viruses cannot cause cancer MB302 FORM 1 16.) Oxygen is an excellent A. electron donor B. coenzyme C. electron carrier D. electron acceptor E. energy source For #17-20, fil nthe table using the options provided below to name the enzyme...
4) Studying the motility of the pathogenic bacteria Listeria and Shigella, which cause food poisoning and...
4) Studying the motility of the pathogenic bacteria Listeria and Shigella, which cause food poisoning and dysentery, respectively, significantly advanced our understanding of actin polymerization. These bacteria escape immune surveillance by entering one cell’s cytoplasm and then spreading from cell to cell without exposing themselves to the outside environment. They harness actin polymerization to push themselves against the plasma membrane, generating a membrane protrusion that is engulfed by a neighboring cell, giving them direct access to that cell’s cytoplasm. The...
Question 78 Which of the following statements about the cytoskeleton is TRUE? All eukaryotic cells have...
Question 78 Which of the following statements about the cytoskeleton is TRUE? All eukaryotic cells have actin, microtubules, and intermediate filaments in their cytoplasm The cytoskeleton provides a rigid and unchangeable structure important for the shape of the cell. The three cytoskeletal filaments perform distinct tasks in the cell and act completely independently of one another Actin filaments and microtubules have an inherent polarity, with a plus end that grows more quickly than the minus end С. D Question 79...
How do bacteria cause disease? a. They release toxins that kill cells directly b. They insert...
How do bacteria cause disease? a. They release toxins that kill cells directly b. They insert their genetic material into host cells and use the host cell's organelles to reproduce c. They burst out of their host cells and cause their host cells to die d. Both a and b e. Both b and c
The bacteria that cause diphtheria harm the host by producing and releasing A. enterotoxins B. antitoxins...
The bacteria that cause diphtheria harm the host by producing and releasing A. enterotoxins B. antitoxins C. cytotoxins D. endotoxins E. neurotoxins
biochem help plz. The balance between the association of actin monomers to form a filament and...
biochem help plz.
The balance between the association of actin monomers to form a filament and dissociation of monomers from the actin filament is a Myosin independent b. Myosin dependent c. ATP independent d.ATP dependent e. charge dependent QUESTION 2 Which statement about actin is correct? a Actin is expressed only in muscle b. Actin is expressed at low levels in most cells. GNo known function has been described for actin in nonmuscle cells. d. Nonmuscle cells only contain G...
Question 1 of 8 2.0 Points Which of the following statements about the cytoskeleton is false?...
Question 1 of 8 2.0 Points Which of the following statements about the cytoskeleton is false? A. The cytoskeleton is made up of three types of protein filaments. B. The cytoskeleton controls the location of organelles in eukaryotic cells. C. Covalent bonds between protein monomers hold together cytoskeletal filaments. D. The cytoskeleton of a cell can change in response to the environment. Reset Selection Question 2 of 8 2.0 Points Which of the following statements about the function of the...
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle...
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle of viral Many bacterial cells containing viral DNA are produced 8) Viral DNA is incorporated into the host genome C) Th e viral genome replicates without destroying the host The bacterial host provides the nucleotides, enzymes, ribosomes and other co requires to make viral components D) 2. What is the function of the viral glycoproteins that are present in an enveloped virus? A) They...
multiple choice question: microbiology A) What contents are released by NK cells into infected cells to...
multiple choice question: microbiology A) What contents are released by NK cells into infected cells to start the process of apoptosis? Antibodies. Granzymes. Viruses. T cell receptors. B) The T cell receptor of CD4 T cell recognizes: Free peptides. MHC I / peptide complex. MHC II / peptide complex. Both a and c. C) Th1 is a subset of CD4 T cell that are good for clearing: Viral infection. Extracellular bacterial infection. Intracellular bacterial infection. All of the above. D)...
QUESTION 48 is the ability of bacteria to alter surface proteins on the cell wall. a. Antigenic variation b. Phase variation c. Density expression d. Quorum sensing e. none of the above
15.) An oncovirus can cause uncontrolled cell growth by A. interfering with the activity of host cell cycle regulation proteins B. creating a cytocidal infection C. budding from the host cell D. causing lysogenic conversion E. none of the above, viruses cannot cause cancer MB302 FORM 1 16.) Oxygen is an excellent A. electron donor B. coenzyme C. electron carrier D. electron acceptor E. energy source For #17-20, fil nthe table using the options provided below to name the enzyme...
Question 78 Which of the following statements about the cytoskeleton is TRUE? All eukaryotic cells have actin, microtubules, and intermediate filaments in their cytoplasm The cytoskeleton provides a rigid and unchangeable structure important for the shape of the cell. The three cytoskeletal filaments perform distinct tasks in the cell and act completely independently of one another Actin filaments and microtubules have an inherent polarity, with a plus end that grows more quickly than the minus end С. D Question 79...
biochem help plz.
The balance between the association of actin monomers to form a filament and dissociation of monomers from the actin filament is a Myosin independent b. Myosin dependent c. ATP independent d.ATP dependent e. charge dependent QUESTION 2 Which statement about actin is correct? a Actin is expressed only in muscle b. Actin is expressed at low levels in most cells. GNo known function has been described for actin in nonmuscle cells. d. Nonmuscle cells only contain G...
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle of viral Many bacterial cells containing viral DNA are produced 8) Viral DNA is incorporated into the host genome C) Th e viral genome replicates without destroying the host The bacterial host provides the nucleotides, enzymes, ribosomes and other co requires to make viral components D) 2. What is the function of the viral glycoproteins that are present in an enveloped virus? A) They...
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