There have been many cases of human infection with Salmonella caused by contact (or ingestion) with raw or undercooked chicken. This is an example of which type of microbial source for foodborne illness? which option is the answer:
Q: The human blood is classified into four different blood types, namely A, B, AB, and O, due to the di...
A: Answer :: First we shoud know Agglutination. Agglutination is the formation of the clumps of cells w...
Q: How is an extracellular signal converted to an intracellular signal in signal transduction? Give a s...
A: Signal transduction is a process in cell signaling.
Q: What is the first thing that happens when a healthy cell detects damage to DNA? A. It stops the cel...
A: correct answer = A) It stops the cell cycle Cell cycle proceed only when cell is in good condition i...
Q: Match the label on the left with the correct structure number in the DNA molecule in the image below...
A: The given structure is of DNA. The DNA ic composed of nucleotide .The nucleotide is the monomeric un...
Q: How do we detect relatedness among species?
A: Evolutionary relationships are patterns to understand the descent of organisms.
Q: What is the correct path through the circulatory system, which describes the passage of blood origin...
A: Option A is correct
Q: What is the role of RhoA gene in the development of the Neural crest and neural connectivity?
A: What is the role of RhoA gene in the development of the Neural crest and neural connectivity? Intro...
Q: Predict the secondary structure of a protein based on the sequence EAMNQKQFDRLHAEGAKWR. Explain your...
A: Ans.. When the amino acid are joined together, they formed the peptide chain. After the further ad...
Q: Create a flow chart on how gel electrophoresis is being conducted
A: Gel electrophoresis is a molecular technique that helps us to separate a mixture of DNA sample based...
Q: discuss how pre mRNA is formed in the nucleus and the RNA processing that happen to form a matured R...
A: When an RNA transcript is first made in a eukaryotic cellular, it's far taken into consideration a p...
Q: How did P<0.005 come into being? How do you determine what is due to chance and what's not?
A: The 'P ' refers to the probability, and it is a measure of how likely it is for any observed differe...
Q: The ability to recombine genetic material from different organisms, resulting in the production of a...
A:
Q: The endothelial cells found closest to the site of an infection, express proteins called lectins. Ea...
A: As per bartleby guidelines we are allowed to answer only one question please post the other separate...
Q: Define a receptor tyrosine kinase and distinguish it from a serine/threonine kinase. (As we discuss ...
A:
Q: The recessive alleles k (kidney-shaped eyes instead ofwild-type round), c (cardinal-colored eyes ins...
A: Inheritance or heredity is passing-on one trait from the parents to the progeny by either asexual or...
Q: Match the following with A. First line of defense, B. second line of defense, C third line of defens...
A: INTRODUCTION In the human body there are three lines of defence it may fight against the...
Q: 10. Previous pituitary hormones travel to which structure(s)? to. Thyroid b. Adrenal medulla C. Test...
A: 10. ANSWER;-d)A and C only explain;- The anterior pituitary is one of two projections that make up y...
Q: 7. In pea plants, inflated pod is governed by a completely dominant gene and a constricted pod by a ...
A: Answer :: A gene may have different variants, expressing different characteristics. These variants a...
Q: Fill in the cells below showing the process of meiosis of the male's sex chromosomes with non- disju...
A: Non-disjunction : During meiosis the homologous chromosomes pair up and undergo crossing over this s...
Q: 17.Which among the following statement is NOT TRUE about the theory of inheritance? A. The paternal ...
A: The chromosomal theory of inheritance was first proposed by Sutton and Boveri in 1902. It states mer...
Q: Vitiligo is a disorder in which melanocytes (cells that produce melanin pigment) are unable to funct...
A: Given information Vitiligo- dysfunctional melanocytes, causes white patches on the skin. Albinism -...
Q: -wrist and ankle are type of Irregular bones O Long hollow bones O
A: Skeletal system consists of bones and cartilages. Bones and cartilages are specialized connective ti...
Q: How do we trace the fate of the minor soil nutrients from soil formation to their uptake and release...
A: There are seventeen elements or nutrients are essential for plant growth and reproduction. They are ...
Q: Why is it important to study or learn about the menstrual cycle?
A: INTRODUCTION:- The menstrual cycle is a series of natural changes in hormone production and a monthl...
Q: How is the structure of Trichomonas vaginalis well suited to its parasitic lifestyle inside the host...
A: Trichomonas vaginalis is a parasitic protozoan that causes trichomoniasis, a serious sexually transm...
Q: What are the possible phenotypic (P) and genotypic (G) ratios if you cross two parents who are carri...
A: Given information Parents are carriers of dominant traits. Carrier suggests that they are heterozyg...
Q: 8.Roberts Syndrome is an extremely rare genetic disorder that is characterized by mild to severe pre...
A: Genetic Disorders arise due to mutations in the genome of an organism. These diseases are present at...
Q: Which of the following are two hallmarks of the adaptive immune system? a. Immediate and Broad b. Sp...
A: The immune system safeguards your child's body against external intruders. These include bacteria, v...
Q: d. GGHhli- e. NnOoPPQg- VvWwXxYvZ- f.
A: Genotype is a an individual collection of genes. Phenotype is the physical appearance of an organism...
Q: In response to a hormone secreted by a cell of the opposite mating type, a yeast cell undergoes a co...
A: GPCR (G Protein-Coupled Receptors) are cell surface receptors that use guanine nucleotide-binding pr...
Q: What is the art of persuasion? rhetoric pathos ethos logos
A: The answer is Rhetoric
Q: most people with the dominant mutant polydactyly allele have extra digits, but at least 25% have the...
A: Polydactyly in humans is an example of penetrance in which the dominant allele does not always expre...
Q: In 1993, Kary Mullis won the Nobel Prize in Chemistry for his invention of the PCR process. Describe...
A: Introduction Almost all the molecular biology techniques revolve around DNA/RNA/Proteins. DNA is on...
Q: Predict the effect on the inducibility of the lac operon of amutation that disrupts the function of ...
A: V
Q: How are genetics and evolution related?
A: Genetics and evolution are related in that they are both sciences. Genetics is the study of how gene...
Q: tend to occupy the base of food webs. a. mediatrophs O b. trophytrophs С. heterotrophs O d. autotrop...
A: Option D i.e. autotrophs are the base of food web.
Q: A number of retroviruses can infect certain human cells. List two of them, briefly describe the medi...
A: ANSWER: Retroviruses- A type of viruses that have RNA as their genetic material in place of DNA. Suc...
Q: During signal transduction (a) the cell converts an extracellular signal into an intracellular signa...
A: Signal transduction is a pathway through which signaling molecules change the protein structure that...
Q: Trace the sequence of events in signal transduction for each of the following second messengers: cyc...
A: Introduction Calcium is a very important ion present intracellularly. It controls various processes...
Q: True/False
A: Chemotherapy drug targets cells that are dividing. Cancer cells tend to divide faster than normal ce...
Q: A trout exposed to acid mine drainage experiences an increase in mucus production along the gills. A...
A: Adolf Fick developed Fick's laws of diffusion in 1855 to characterise diffusion. They can be used to...
Q: What is the function of iris diaphragm in compound microscope? To what part of the human eye would y...
A: Introduction As the uses of multiple lenses to collect the light from sample and then a separate se...
Q: . In mice, the following alleles were used in a cross: W = waltzing gait w = nonwaltzing gait G = no...
A: The collection of genes that make up a person's genotype is referred to as that person's genotype. I...
Q: What will happen if a taxonomic classification system does not exist?
A: Taxonomy is the science of naming, characterizing, and classifying species, which encompasses all of...
Q: https://www.mskcc.org/news/mystery-metastasis-can-tumor-s-genetic-mutations-predict-whether-and-wher...
A: Cells are the building clocks of life. The structural and functional units of life are cells. Cells...
Q: Electrochemical gradients (a) power simple diffusion (b) are established by pinocytosis (c) are nece...
A: Simple diffusion is the passive movement of substances.
Q: What degree of action potential in which the membrane potential moves from its maximum degree of dep...
A: Repolarization is the degree of action potential in which the membrane potential moves from its maxi...
Q: A gardener finds that some bean plants have pubescent leaves and others have glabrous leaves. a) Bas...
A: Mendel selected pea plants to investigate genetics because they had clearly recognizable characteris...
Q: Which organism has the highest rate of survival at a young age: a toad, a bird, or a human being?
A: The different organisms present in ecosystem show different types of growth pattern. A particular gr...
There have been many cases of human infection with Salmonella caused by contact (or ingestion) with raw or undercooked chicken. This is an example of which type of microbial source for foodborne illness?
which option is the answer:
1. Contamination by human microbiota or pathogens during handling & preparation
2. A food animal – infection or colonization during its lifetime
3. Contamination by human or animal feces during growing, harvesting, washing, transport, or storage
4. None of the other four answers are correct
5. Contamination by naturally occurring environmental organisms from soil or other sources
Step by step
Solved in 3 steps
- Discuss and explain why these below hazards are the most important Presence of listeria/ Salmonella Presence of pathogenic microorganisms Pathogenic and spoilage organism in raw milk Presence of E.coli Cross contamination Presence of allergensWhich of the following type of bacteria commonly causes hospital acquired infections via the fecal oral route and can live up to 5 months on clothes, surfaces, or devices of health care workers? Question 10 options: Staphylococcus aureus Streptococcus pyogenes Clostridium difficile Salmonella and Shigella None of theseSome bacteria, protozoa, and viruses that cause foodborne illness are: E.coli, Salmonella Norovirus Staphylococcus aureus Clostridium botulinum Campylobacter Clostridium perfringens Hepatitis A. Giardia (mainly water) Listeriosis Select two (2) of the foodborne illnesses listed above and report the following information for each. Disease name and whether it is a bacteria, protozoa, or virus Type of contamination (infection or intoxication) Infectious pathway Possible sources and foods affected Symptoms Incubation period Treatment Current Statistics, how many affected, where, when etc.
- Which of the following common causes of healthcareassociated infections is an environmental organism that grows readily in nutrient-poor solutions?a) Enterococcusb) Escherichia colic) Pseudomonas aeruginosad) Staphylococcus aureus78. A food-borne outbreak of gastroenteritis is being investigated. Which of the following concerns is the priorityfor a microbiologist?A. Gastroenteritis may be caused by several bacterial and viral pathogens.B. General food safety measures may have been violated during preparation.C. Several food sources may have been shared by the affected individuals.D. Symptoms of gastroenteritis may include diarrhea, nausea, and vomiting.79. An outbreak of dengue fever is to be investigated. Which of the following descriptive epidemiologyconsiderations is the most appropriate and urgent starting point for the investigation?A. AGENT – detection of Plasmodium(+) mosquitoesB. PERSON – age and sex distribution of casesC. PLACE – clustering of cases within a certain areaD. TIME – analysis of cases over a ten-year periodPlease help. The terms germ and microbe are often used interchangeably. What comes to mind when you hear the word germ? The word biome can be defined as a major ecological community type such as a grassland or desert. Why is the term microbiome used to describe the microbes that live in or on the human body? Describe the benefits the microbe Bacteroides thetaiotaomicron provides to its host species. Helicobacter pylori was originally identified as a causative agent for ulcers in humans, but turns out its role is more complex. Describe how H. pylori also plays a role in regulating appetite. Describe the role that Bacteroides fragilis plays in controlling the human immune/inflammatory response.
- a.) Infection with this pathogen can result in a wide range of diseases from ear infections to meningitis. Group of answer choices Haemophilus influenzae Francisella tularensis Enterococcus faecalis Naegleria fowleri b.)As with all microbial control methods, the _______ the cells are exposed, the ______ damage accumulates. Group of answer choices longer, less shorter, more longer, more c.) Which of the following wavelengths would NOT be considered ultraviolet radiation? Group of answer choices 360 nm 200 nm 600 nm 25 nmBelow is a scenario requiring the use of laboratory equipment and instruments. A watery fecal sample is tested for the presence of Bacillus cereus and Vibrio cholerae. The sample is stored in a screw capped tube. You are tasked to grow the Bacillus in a solid medium while Vibrio in a liquid medium. Choices: A. Incubator, B Hanging Drop Slide , C.Petri Dish, D. Drying Oven, E. Bunsen Burner, F. Inoculating NeedlE , G. Volumetric Pipette, H. Screw-capped Tubes, I. Hot plate, J. Centrifuge, K. Inoculating Loop, L. Microscope, M. Beaker, N. Biosafety Cabinet 1. What could be used to determine if there are more bacteria in the sample aside from Bacillus and Vibrio? 2. What should you use if you want to observe the natural motility of Bacillus under a Brightfield microscope? 3. Where should you perform the task of sterilization and inoculation? 4.What should be used to transfer the sample to the broth? 5. What could be used to separate the solid from the liquid portion of the…A Salmonella outbreak from the consumption of a national brand of ice cream, involving more than 50,000 consumers, was found to be related to contamination of heat-treated ice cream mix with raw liquid egg containing the pathogen. Both products were transported by the same truck at different times. Briefly indicate how this could have been avoided.
- Write a 1-2 paragraph case study that accurately depicts the disease caused by Clostridium Botulinum. If your organism is transmitted in a specific location or under certain circumstances be sure your patient has been to those locations or engaged in those behaviors that would lead to transmission Have the appropriate timeline in terms of incubation and length of illness. Cover the important symptoms. You do not have to give all possible symptoms, just the typical one. Provide some important laboratory test results without stating the name of your microorganism. Provide the Epidemiology, Pathogenesis, Clinical Manifestations, Laboratory Tests, Treatment and Prevention.The most common preferred portal(s) of entry for human pathogens is (are): 1. Mucous membranes of the genitourinary tract 2. Mucous membranes of the respiratory & gastrointestinal tracts 3. Conjunctival membranes of the eyes 4. Intact skin 5. Parenteral routeMatch the following terms with their respective definition: _____1. Carrier a. Insects that transmit infection _____2. Fomite b. Presence of bacteria in the blood _____3. Vector c. Person harboring the organism without signs and symptoms of the disease _____4. Vehicle d. Hospital-acquired infection _____5. Septicemia e. Infection confined to a limited area _____6. Fulminant infection f. Inanimate object which can carry microorganisms _____7. Nosocomial infection g. Multiplying bacteria in the bloodstream _____8. Local infection h. Biological substances that can carry organism _____9. Bacteremia i. Presence of toxin in the bloodstream _____10. Toxemia j. Infection that always leads to death.