What is the DFV of a 40x objective lens if the DFV of a 10x objective lens is 3 mm? Express your answer in μ (micra)

Q: Examine the diagram carefully, and then answer the question below. vii VII i V iv vii Which one of t...

A: Q. Which one of the following gives the correct names for the protein above ? Answer - (C) Helicase ...

Q: True or False 1. There can be a quantitative determination of the degree of supercoiling in a DNA sa...

A: According to our guideline we can answer only the first three subparts of a question. So, upload res...

Q: Expound how the mass of inert yolk influences gastrulation in amphibians, reptiles and mammals.

A: Gastrulation is mark by the cell movement rearrangement within the embryo that leads to formation of...

Q: There can be a quantitative determination of the degree of supercoiling in a DNA sample.   True Fal...

A: True. Digital polymerase chain reaction(dPCR) and flow cytometry could be to quantify DNA number con...

Q: The microorganisms responsible for symbiotically fixing nitrogen in the nodules on the roots of legu...

A: Leguminous plants use nitrogen fixing bacteria, especially the rhizobia bacteria. The Rhizobia bacte...

Q: In what way do the nitrogen and phosphorus cycles regulate Earth’s carboncycle?

A: The term biogeochemical cycle is associated with the movement of several nutrients such as phosphoru...

Q: Make a cladogram

A: Introduction: A cladogram is a diagrammatic representation that depicts the relationship between dif...

Q: Okay, maybe GMOs have decent uses but it can't all be good. I've heard all of the following about GM...

A: Genetically Modified Organisms (GMO) are the organisms that has a altered genetic constitution by in...

Q: what is the purpose of filling an API rapid 20E incubation tray with water

A: The goal of this study was to see how well the API 20E and API Rapid NFT systems worked for identify...

Q: What are the four major types of introns?

A: Noncoding regions of an RNA transcript or the DNA encoding it that are spliced off before the RNA mo...

Q: How do the external factors cause the vertebrates to develop epidermal and dermal derivatives?  Plea...

A:  INTRODUCTION Veretebrates are the animals that have an backbone and spinal column. Veretebrates  ar...

Q: Which enzyme catalyzes the hydrolysis of starch and dietary glycogen Into glucose? O Triose kinase a...

A: Triose kinase is an enzyme that converts glyceraldehyde into glyceraldehyde-3-phosphate in fructose ...

Q: What are the types of eggs based on their yolk content? What patterns of cleavage will they undergo ...

A: As per bartleby guideline we are suppose to answer only 1 question. Please post the other question s...

Q: Which tube could be thought of as an artificial mouth? Test Tube: 1. potato chips  2. glucose  3...

A: ANSWER;- saliva + potato chips  Explain;- A percutaneous endoscopic gastrostomy (PEG) is a technique...

Q: 6. Match the biosafety level to its description. Risk Level Work with high-risk agents that can spre...

A: The World Health Organization (WHO) has proposed an agent based on the risk categorization for labor...

Q: Discuss the relationship among symplast, apoplast, and the Casparian strip.

A: Few important points. Transpiration develops hydrostatic tension in the xylem of the root. The path...

Q: A new species of gerbil is “domesticated” for the pet trade. Wild gerbils have a greyish coat colour...

A: The genotypes to different phenotypes: Pure breeding black gerbil = BB Pure breeding albino gerbil =...

Q: developmental biology

A: Developmental biology  is the field of biology that studies the processes by which multicellular org...

Q: Why do mammals convert ammonia to urea rather than simply excreting it, as fish do?

A: Mammals are the organisms that live on land. They have hair and fur. They are named so because their...

Q: What is your opinion/stance on biofuels as an alternative energy source?

A: In my view/opinion I consider Biofuel is best alternative energy source. But there are both pros and...

Q: How do muscle cells enable cnidarians to function in ways that sponges cannot?

A: Introduction :- Invertebrates such as jellyfish and corals are cnidarians. They are members of the C...

Q: What role, if any, do the noncanonical Wnt signaling pathways have inplanarian regeneration?

A: Regeneration is an evolutionarily conserved process in animal kingdoms, however, the regenerative ca...

Q: Describe the process of regeneration.?

A: The natural process through which injured or misplaced cells, tissues, or organs are healed or repla...

Q: Question 8 The unique stem-loop structures of the transfer RNA helps the RNA perform its function of...

A: RNA is ribose nucleic acid, having mainly 3 forms. t-RNA--transfer RNA r-RNA -- ribosomal RNA m-RNA ...

Q: Compare and contrast hydra, saccharomyces, and paramecium in terms of the reproductive patterns they...

A: Hydra reproduce by both asexual by budding and sexual method by formation of testes and ovaries. Sac...

Q: What are some of the costs and benefits to an apple tree and to the honeybee that pollinates it?

A: Symbiosis is a generic term for interspecific interactions in which the two species live collectivel...

Q: Which of the following is correct regarding the reptilian and mammalian vertebra? A. Their cervical...

A: Mammals: Mammary glands, which produce milk for nourishing (nursing) their young in females, a neoco...

Q: In the example of the grey heron population in the UK, what factor was responsible for the limit on ...

A: The grey Heron is a long legged wading bird of the heron family, native throughout temperate Europe ...

Q: Discuss the importance on the addition of ampicillin and arabinose to the medium of the genetically ...

A:  pGLO bacterial transformation experiment. Controls that were incubated with no plasmid (-pGLO) grow...

Q: Amino acids bind to which part of the tRNA?a. Anticodonb. DHU armc. 3′ endd. 5′ end

A: t-RNA also termed as transfer RNA is type of RNA which carries a specific amino acid to m-RNA presen...

Q: What is the purpose of the alcohol (OH) in the gram staining process?

A: Usually, microbes are colorless, so it’s very difficult to see them even after magnifying under micr...

Q: 1. Two people with wavy hair have a straight-haired child. Wavy hair is a dominant. What are the ge...

A: According to the premise of the question wavy hair is dominant over straight hair. Since, the child ...

Q: Question 8 The unique stem-loop structures of the transfer RNA helps the RNA perform its function of...

A: tRNA (Transfer ribonucleic acid) is one type of RNA that is used in translation machineri to decode ...

Q: What are the culture media that can be used for cultivating non-specific and specific microorganisms...

A: A microbiological culture medium is a substance that promotes the growth, support, and survival of m...

Q: In a typical eukaryotic plasma membrane, _____. A. lipids can move and diffuse through the bilayer B...

A: The plasma membrane, also known as the cell membrane, is a membrane found in all cells that separate...

Q: 7. Why should the microscope be calibrated for each objective and prior to each use? 8. When carryi...

A: A microscope is a scientific tool that is used to study items which are too tiny for the unaided eye...

Q: Why is gene regulation important for bacterial cells?

A: Gene regulation is the process of turning on and off genes. Gene regulation can help an organism ada...

Q: What would be the most likely effect of a mutation at the following locations in an E. coli gene? a....

A: Part A. There will be no transcription. Part B. The rate of transcription will be decreased. Part C....

Q: How is biodiversity measured?

A: Introduction: Ecosystems and creatures of all kinds, as well as their interactions and activities, a...

Q: Explain the roles of presynaptic inhibition and of facilitation

A: Nerve cells work together in clusters to affect each other's functions. The benefit of presynaptic f...

Q: Question 1 A What is the sequence of the sample DNA submitted for sequencing given the gel electroph...

A: Sanger sequencing is a method for determining the nucleotide sequence of DNA using a chain terminati...

Q: During which phase of mitosis will the chromosomes line up in the middle of the cell?

A: The indirect process of cell division by which the somatic parent cell divides once to produce two d...

Q: What fundamental traits did Linnaeus use to separate plants from animals? 2. Why did scientists pla...

A: Carolus Linnaeus classified plant and animal on the basis of following traits: 1) Cell wall: He clas...

Q: The following statements best describes the RNA structure EXCEPT some eukaryotic RNAS stay in the nu...

A: Answer : Option (C) is right. - protein synthesis cannot explain the structure of RNA.

Q: Please help me make an abstract using the information below it is the result and discussion of the e...

A: DNA i.e. Deoxyribose nucleotide : It consists of nitrogen bases i.e. Adenine , Guanine , Cytosine an...

Q: Describe the location and purpose of the synovial membrane.

A: The entire skeletal system is linked together by joints, which aid in various forms of movement. A j...

Q: 4. How does the light compound microscope magnify an object? Outline the process 5. Explain why an i...

A: 4. How does the light compound microscope magnify an object? Outline the process It is an optical m...

Q: Why death is a return?

A: Death : 3 types Clinical death: when the heart stop beating Brain death: absence of brain activity I...

Q: Gene A and B are 500,000 bp apart - the genes are either side of a recombination hot spot. Gene C an...

A: * Recombination hot spots are the regions of genome  where it can undergoes recombination in higher ...

Q: Explain how some lncRNAs serve as molecular decoys for RNA-binding proteins and miRNAs.

A: Long noncoding RNAs (lncRNAs) are a novel class of epigenetic regulators that play a key role in epi...