I have a microscope with oculars that are 20x and am viewing a slide using oculars that are 50x. What is the overall magnification?

Q: Salmonella typhi is a facultative anaerobe. Explain comprehensively.

A: The group Enterobacteriaceae includes the genus Salmonella, which consists of microorganisms linked…

Q: The lens of the vertebrate eye develops only after the head ectoderm comes in contact with the optic…

A: Eye development in vertebrate take place during the late phase of gastrulation. Eyes are the…

Q: Question 12 There are four elements that make up all amino acids. Two of these are carbon and…

A: Amino acids combine to form proteins. Amino acids and proteins are building blocks of life.

Q: Please help me to describe the pesticide and antibiotic resistance and how they are related. This…

A: Organisms and their environments are inextricably linked and interdependent. Every alteration in the…

Q: Discuss why parasites remain a problem in developing countries?

A: Parasites are the organisms which attack the body of the host and either live on their surface as…

Q: Discuss the concept of spectrophotometry, colorimetery, and turbidimetry. Maximum of 150 words

A: Spectrophotometry is a part of electromagnetic spectroscopy worried about the quantitative…

Q: T cells failing to encounter specific antigen leave lymph nodes via the Select one: a. germinal…

A: Please follow step 2 for detailed explanation.

Q: Why doesn’t an action potential that is propagated down an axon go in the reverse direction

A: Introduction Neurons are the small cells or units which are responsible for conducting electrical…

Q: GTP-y-s serves as an analog of GTP that cannot be hydrolyzed any further. How would a Co-IP…

A: co-IP or co- Immuno Precipitation is a technique used to study protein-protein interaction in-vivo.

Q: QUESTION 14 What is the function of the presynaptic "autoreceptors" in axon terminals? a. To release…

A: Neuron is the main functional units of nervous system it contains axon, dendritic cells, cell body…

Q: How is the waves of sound used in health sciences?

A: Ultrasound waves are sound waves at a frequency higher than the human ear is able to hear.…

Q: Define the definition of carrier mediated transport process in the cells.

A: Carrier-mediated transport is a process where specific molecules (carriers) bind to solutes and then…

Q: Explain why the secondary immune response (months, years, or decades after the first exposure to a…

A: Immunity is a phenomenon build up inside the body of an organism in order to cope up with foreign…

Q: the following are the functions of reverse transcriptase in retroviruses? i) it hydrolyzes the host…

A: Retrovirus This virus uses RNA as its genomic material. This virus inserts a copy of its genome into…

Q: What is the oxygen requirement and gram reaction of Herpes Simplex Virus Types 1 and 2? Is it…

A: Following i will be answering the questions:- oxygen requirement and gram staining of herpes simplex…

Q: Identify and describe five ways you can help reduce the stress on the environment.

A: Recycle Recycling is really easy, but so few people actually do it. Ask the business you use if they…

Q: In a tube dilution test the, MIC is the growth of a microbe. Highest Concentration Smallest…

A: MIC stands for Minimal Inhibitory Concentration. It is measured in microgram/mililitre.

Q: Drag and drop the labels to the long bone below. Spongy bone tissue Compact bone tissue Cartilage…

A: The hardest connective tissue comprising of calcified matrix and which forms the skeleton of the…

Q: etermine the enzymes present in DNA replication for the process to proceed normally.

A: The process of duplicating the DNA strand found inside the cell during the cell division is known as…

Q: uch of the following best defines MHC restriction? Select one: a. The TCR recognizes a particular…

A: Concept used -  T cell receptors and MHC restriction    Important definitions-  MHC restriction :…

Q: Which of the following is a correct statement about bones classified in the appendicular skeleton?…

A: Appendicular skeleton refer like this because, it is made up of  appendages of the axial skeleton.…

Q: 1. How is biology as a science and the environment related?

A: How is biology as a science and the environment related?

Q: initial rate of transporter Calculate the Km value for the data plotted below. 05 10 15 20 25 30 35…

A: Enzymes are proteins that convert a substrate into a product. The enzyme activity determines the…

Q: What do we mean by the somatic motor system? O a. Cardiac muscle O b. The smooth muscles and glands…

A: Introduction :  The group of central and peripheral nervous system elements that support motor…

Q: Determine the portion of metabolism illustrated in the question where fermentation will occur.

A: Ethyl alcohol and carbon dioxide are generally defined as the way that they are been produced as…

Q: Match the antibody isotype with its functional characteristics. Highly effective at activating…

A: Answers  :  Highly active in activating complement :  Answers : -  IgM

Q: A low temperature while an extremely high temperature will O speed up cellular respiration,…

A: Introduction :- Cellular respiration is the process through which the sugar molecules ( food…

Q: If a membrane protein in an intact erythrocyte reacts with a membrane-impermeable reagent, what can…

A: Introduction: Although the lipid bilayer provides the fundamental structure of biological membranes,…

Q: Match the barrier with its type Physical barrier Chemical barrier Mechanical barrier Microbiological…

A: The human body is constantly exposed to potentially harmful microorganisms. In order to protect…

Q: Dendritic cells take up, process or present antigen by all of the following routes except Select…

A: Introduction :- Professional antigen-presenting cells known as dendritic cells (DCs) are essential…

Q: DE termine the term growth factor and identification of several growth factor that

A: Growth factors are referred to as a class of gene products that are crucial for tissue growth and…

Q: an introduction to the significance of pesticides and antibiotic resistance in aquaculture.

A: Aquaculture is the process of breeding or cultivating aquatic(marine or fresh water) organisms for…

Q: 4. If you are given the DNA sequence: T-A-C-G-G-T-C-A, determine the complimentary DNA strand.

A: Nucleic acids are genetic material. DNA and RNA act as genetic material in the living world. The DNA…

Q: Describe a couple of ways in which normal flora interact symbiotically with their host. – look up…

A: Introduction Interaction between different organisms:- Species interaction is the relationship of…

Q: A. Consider this cross before answering the following questions: A pea plant heterozygous for the…

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: QUESTION 8 How does the nervous system grade the force of muscle contraction? O a. Only by…

A: Nervous system is made up of highly specialised cells called neurons. The function of neuron is to…

Q: Why are viral diagnoses difficult? Because they are very small and hard to see Because they rarely…

A: Virus  An Infective agent that typically consists of a nucleic acid molecule in a protein coat, is…

Q: Who discovered Varicella-zoster virus (VZV)?

A: Introduction  A virus is an infectious microorganism made up of a protein-coated segment of nucleic…

Q: impact of pesticide and antibiotic use on Genetic Diversity

A: Pesticides and antibiotics Pesticides are the substances or compounds which are used to kill harmful…

Q: A(n) ________ microbe is still alive but it has a reduced virulence that can be used for successful…

A: Vaccination is the process of elicitating a primary immune response in the individual by injecting…

Q: What is the effector proteins that Salmonella typhi releases when it gets to the instestinal tract…

A: A gram-negative bacterium called Salmonella typhi is to blame for typhoid fever in humans and other…

Q: Which statement best describes the phenomenon of evolution? O Evolution is a fact O Evolution is a…

A: Introduction Evolution refers to the change of characteristics of a population that can be inherited…

Q: Necrotizing fasciitis is a disease that starts caused by: None of the other four answers are c…

A: Bacteria are microbes with peptidoglycan cell wall.

Q: Which of the following triggers or enhances an inflammatory response? Select one: a. lysozyme Ob.…

A: answer :  The one which can enhance an inflammatory response is  Option : e) Cytokines

Q: Describes an activity to demonstrate endosmosis and. Exosmosis.

A: When a cell is placed in a hypotonic solution the water move inside a cell and swells. This movement…

Q: Describe the general function of plasma membrane.

A: The plasma membrane serves as the cell's outer barrier, dividing the interior cellular components…

Q: There are many theories of abiogenesis, each one has improved our understanding of the origin of…

A: Life on earth was thought to be evolved from non-living materials by some well known Greek…

Q: 11) In the Hardy-Weinberg equation, which term refers to the heterozygous genotype?   A) 2pq   B)…

A: The Hardy-Weinberg equation is a mathematical equation that can be used to calculate the genetic…

Q: morphology and stain reaction of Toxoplasma gondii

A: Introduction Parasites are the organisms that live on another organism called a "host" for…

Q: What is the expected genotype frequency of the heterozygous genotype under the Hardy-Weinberg…

A: The Hardy-Weinberg equilibrium says that the allele and genotype frequencies of the population will…

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.