Q: You are in the library and just found a place in the reading room. You settle down to study when you…
A: ANSWER) (2) Your exact spatial locus from different spatial boundaries would be indicated by…
Q: Which of the following water quality assay methods produce the greatest amount of biohazardous…
A: Introduction A biological hazard, often known as a biohazard, is a biological substance that…
Q: biologist is attempting to clone the gene encoding a particular enzyme (Enz) into a plasmid vector…
A: Bacteria are used for gene therapy ,gene recombination etc processes. The reason is their plasmids .…
Q: Your friend's cottage is on a lake that has experienced numerous blooms of cyanobacteria (blue green…
A: A combination of warm temperatures, sunlight amd nutrient rich waters can cause blue green algae to…
Q: 83) The RDRP of the rotavirus a. Only produced in the first round of translation b. It is…
A: RdRP- is RNA dependent RNA polymerase. All retroviruses have RNA dependent RNA polymerases.
Q: As a cilium moves, it is fairly well established that: a) the microtubules slide relative to each…
A: Introduction Our body consisted of cells of various shapes such as squamous, cuboidal, epithelial,…
Q: 6- The bacterial growth curve; O would have a shape which is dependent upon factors such as medium,…
A: The bacterial growth curve shows the number of live cells in a bacterial population over any period…
Q: What is the mitotic apparatus?
A: Introduction - The mitotic spindle is a structure that separates duplicated chromosomes during cell…
Q: B. cell wall, cell membrane, cytoplasm, nucleus C. cell membrane, chloroplast , nucleus, cytoplasm…
A: This question is about cell.
Q: Which of the following is most likely to elicit an immune response that generates antigen-specific…
A: Immune response is the kind of immunological reaction, that happens within an organism to provide…
Q: If, for an observed data set, a specified gene, and two phenotype classes (disease and wild type),…
A: Degree of freedom is the measure of independence parameters of variables. It enables the measurement…
Q: Which of the following processes would be directly affected by blocking the function of peptidyl…
A: Introduction :- Peptidyl transferase is the enzyme that creates peptide bonds during protein…
Q: what is the different between a fiona and a fauna
A: The flora and fauna are the biotic part of an ecosystem. An ecosystem is made up of living and…
Q: Which one of the four trees below, shows a different pattern of relationship as the three others?…
A: ANSWER;- Tree A is the answer. All the trees have the following representation except tree A:…
Q: which enzyme is used in the processing of miRNAs that are encoded in the genome but not in the…
A: Introduction Short interfering RNA or siRNA along with miRNA with DICER enzyme form the silencing…
Q: Identify the anatomical microscopic parts (label the distinct parts in the slide specimen) of…
A: After the microstructure study of lizard scales at 40 X in the lizard species they exhibited unique…
Q: Which process is only carried out by prokaryotes eutrophication weathering of phosphate rich…
A: Prokaryotes are usually microbes which are single celled structure visible only under microscope.…
Q: 1. Embryonic development occurs during this period. A. from the ninth week of gestation to birth…
A: Here I discuss about embryonic development and gastrulation.
Q: a) Analyze the concept of balancing the pressure in a measure the blood pressure. sphygmomanometer…
A: Principle sphygmomanometers principle is that when a cuff containing a hollow rubber air bladder…
Q: Inbreeding increases the frequency of ________ in a population. Question 73 options:…
A: Inbreeding is a term that indicates breeding between closely related individuals. On contrary,…
Q: me astigmatism and non-red hair are produced by a different pair of completely dominan genes. Hence,…
A: Let, A = allele for astigmatism, a = doesn't show astigmatism, B = allele for non-red hair, b =…
Q: You isolate a mouse Tau-gene-containing DNA fragment from the chicken and hybridize it to the…
A: DNA: DNA is a polymer made up of two polynucleotide chains that coil around each other to form a…
Q: A biologist is studying an organism that is single-celled. With only this information, we know that…
A: The living organisms are classified into different groups depending upon there characteristics. In…
Q: explain how the Lac operon gets turned on and off .
A: Introduction :- Three structural genes, as well as a promoter, a terminator, a regulator, and an…
Q: Fill in the blanks to complete this description of important of a polypeptide into the ER. Use the…
A: A ribosome binds an mRNA and translation begins. Translation continues untill the signal sequence of…
Q: These finches all evolved from a common ancestor. They adapted characteristics which made them each…
A: The evolution of new species is termed Speciation. Several factors influence this process. When an…
Q: Imagine you are performing a cross involving gerden pea plants. What F1 offspring would you expect…
A: Some important terms: Homozygous state: two same alleles for a gene, for example, AA( homozygous…
Q: (ii) Calculate the breathing rate during the first minute and then calculate the breathing rate…
A: Introduction The process of moving air into and out of the lungs to permit gas exchange with the…
Q: Eye color in a species of fruitfly is determined by a single locus with two alleles: E and e. EE…
A: When a population is in Hardy-Weinberg equilibrium for a gene, it is not evolving, and allele…
Q: Write instruction to make cell culture medium using DMEM consist of 10% FBS, 1% streptomycin.
A: Introduction Streptomycin is an antimycobacterial drug which is used in the treatment of…
Q: In humans, the development of gonadal sex in females is determined by a. The production of inductors…
A: Gonadotropin-releasing hormone (GnRH) stimulates FSH and LH generation in both males and females.…
Q: Which of the following are produced during the citric acid cycle resulting from the breakdown of one…
A: INTRODUCTION Citric acid cycle This is a series of chemical reaction that result in the reduction of…
Q: Which of the following situations could decrease the average fitness of a population? Snakes in a…
A: Introduction :- Fitness is a measure of an organism's ability to live and reproduce, with an…
Q: d. Mimiviruses
A:
Q: You add 5 paramecia to a test tube and feed them bacteria. One week later the population has grown…
A: The exponential growth indicates that there is a constant growth over a certain period in the number…
Q: 13) The end product in case of DNA polymerase during the Lumpy skin disease virus replication is :…
A: The lumpy skin disease is caused by the virus capripox and in this disease the cartels get infected.
Q: Monograph about grasshoppers
A: Grasshoppers are a group of insects belonging to the suborder Caelifera. They are ancient living…
Q: A cross is made in tomatoes between a female plant thatis trisomic for chromosome 6 and a normal…
A: In genetics, a cross is the result of mating two parents with different genes, resulting in…
Q: Which of the following processes will NOT occur in the absence of oxygen? Choose all that could…
A: Option 1: Electron Transport Chain require Oxygen. Here oxygen helps in terminal electron acceptor.…
Q: Consider a population that is in Hardy-Weinberg equilibrium at a locus with two alleles, A and a, at…
A: The gene has two alleles A and a. The frequency of A and a alleles are p and q respectively.
Q: The life table below is for a species of lizard. Use it to answer the questions below. It can be…
A: Answer :- This species have Type III survivorship
Q: Which statement best describes why antifungal treatments may have side effects to our own cells? A.…
A: Introduction A pharmaceutical fungicide or fungistatic, often known as an antifungal drug, is a…
Q: 89) **If the UK variant and the South African variant of the SARS-CoV 2 infected the same cell a.…
A: * The virus which causes respiratory disease called coronavirus disease 19 that is COVID-19. *SARS…
Q: Explain how elements of the lac operon are exploited to regulate recombinant protein production in…
A: Introduction Three structural genes, as well as a promoter, a terminator, a regulator, and an…
Q: In a population with two alleles at the R locus (R and r), the frequency of the genotype rr is 0.10.…
A: Hardy Weinberg's principle describes the allele equilibrium in a population. The allele frequencies…
Q: 69)At the genetic level, what would indicate that an allele has experienced positive selection he…
A: Disruptive selection favors both dominant and recessive traits but not intermediate traits. Whereas,…
Q: A kid let go 8 snails he bought at the pet store in a pond. A year later, the population of snails…
A: A population exhibits a exponential growth when it grows in ideal environment which have unlimited…
Q: Which of the following statements about genetic drift is correct? Genetic drift causes predictable…
A: Genetic drift is an evolutionary change in the allelic frequency of a population as a matter of…
Q: The common carp is an non-native fish species in North America. A few individuals are introduced…
A: Population growth is the increase in the number of people in a population or a dispersed group.…
Serial dilution is recommended prior to pour and spread plate. Why is this so?
Step by step
Solved in 2 steps
- What is the physical appearance (solid, liquid, semi-solid) of following media:Agar deep tubeWhat is the physical appearance (solid, liquid, semi-solid) of following media: agar plateWhat is the difference between the pour plate method and the spread plate method? Why might you choose one over the other? What kind of plate must this be and why do you say that?
- Give two reasons for heating the slide after the smear is air dried?Prepare 50 plates of Sheep's Blood Agar using 100mm petri dish. Add 10% of blood to the media. (Manufacturer's instructions: Suspend 38 g of blood agar base dehydrated powder in 1 liter of distilled or deionized water.) Pour 25 mL of prepared medium per plate. Express answer to the nearest whole number. How many grams of the dehydrated powder should be weighed? Answer: What is the volume of distilled water that should be used in the preparation? Answer: What is the volume of sheep's blood that should be added to the sterilized and cooled blood agar base? Answer:Lid of petri dish was left on bench top for a few minutes after pouring of sterile medium. Effect: Rationale:
- In the spread plate method, why is the volume plated usually limited to not more than 0.1 mL?Why is dilution a necessary part of pure culture preparation?Disinfectants and Sterilization Procedures Complete the table by putting (+) for growth of microorganisms or (–) absence of growth of microorganisms. Disinfectant Concentration Growth after time of exposure (minutes) Control 5 minutes 10 minutes 15 minutes Sodium hypochlorite 5% Sodium hypochlorite 0.05% Alcohol 70% Alcohol 40% Iodophor (Betadine) 10% solution Mouthwash Cetylpyridinium Chloride - 0.075% Sodium Fluoride - 0.05%
- Kitchen cloths and sponges must be washed thoroughly after use and left to dry before using again. True or False?Why is it best to use sterile distilled water in the preparation of microbial suspension and dry smears for slide preparation? What possible error could happen if a glass slide is reused for slide preparation?What are the principle and basic concepts of SMEAR PREPARATION? (please explain it thoroughly in a lengthy but clear explanation, thank you so much.)