Q: Feeding behavior of spiders
A: All spiders are carnivorous in habit. Their preys consist chiefly of insects.
Q: In your own words, outline the differences between leukemia and lymphoma
A: Introduction Two cancers that impact the immune system and the blood are leukemia and lymphoma. Both…
Q: Animal Life Cycle Plant Life Cycle Zygote Zygote Diploid adult Diploid adult Spores Gametes Haploid…
A: The number of whole sets of chromosomes that make up a cell is known as its ploidy. Their paternal…
Q: ree groups of plants are grown in the same location in a greenhouse, each receiving the ame amount…
A: An experiment is a scientific investigation in which a point is proved by giving a certain…
Q: Question 18 Listen It is possible to inherit an allele that arose as a spontaneous mutation a) True…
A: Mendel uncovered the fundamental laws of heredity. His experiments demonstrated that the inheritance…
Q: Explain in detail how two tissues as different as blood and bone both meet the definition of…
A: Introduction: Connective tissue are type of tissues which binds and supports other tissues of…
Q: Calculate the average number of nucleotide pairs pero micrometer of DNA double helix according to…
A: Watson and Crick's model of DNA James D. Watson and Francis H. Crick suggested the…
Q: How do we know that malignant tumors arise from a singlecell that contains mutations?
A: Introduction A tumor is nothing but uncontrolled cell division, which can lead to the formation of…
Q: Q11: You are comparing the process of RNA splicing in an mRNA from normal and mutant cells of the…
A: Splicing The process by which non coding part of mRNA is removed and coding parts are joined…
Q: What is signal transduction ?
A: Living organisms have specialized cells to sense stimuli.
Q: I am not sure how to go about illustrating and answering this question: Use a diagram to illustrate…
A: The serial dilution is the technique for stepwise dilution. It allows to dilute a highly…
Q: In a diploid organism, Meiosis 1, and line up at the metaphase plate during Mitosis. line up at the…
A: Mitosis is essential in embryonic development because it allows a single-cell zygote to grow into an…
Q: Question You've found a description of an aquatic biome that includes the following features: has…
A: Introduction Hypothesis is an assumption about the parameter of the population which will be made on…
Q: Can fungi and parasites be oncogenic? Please elaborate with relevant examples
A: Cancer may cause cells to multiply uncontrollably, invade, degrade, and destroy healthy tissue.…
Q: The letters below represent genes found on different chromosome pairs. Letters that are similar…
A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…
Q: explain the simplified version of the synaptic process resulting in long-term potentiation and…
A:
Q: 16. Divide these animal tracks using a dichotomous key: Beaver Black Bear for example: Has 5 Toes /1…
A: Dichotomous key is a technique used by the scientist in order to classify an organism like plant /…
Q: Question 18 Listen It is possible to inherit an allele that arose as a spontaneous mutation a) True…
A: Introduction The mutation is the sudden deleterious effects in the DNA sequences, they can arise…
Q: Which of the following are supported explanations for the evolution of complex traits? A)…
A: Introduction Evolution is the gradual change in the inherited traits of biological populations over…
Q: The following is a subcellular structure working to maintain the life of the cell: O a. Organ O b.…
A: Cell and Molecular Biology is a subject that seeks to understand life and cellular processes at the…
Q: For most cell types, serum must be added to the media to get cells to grow and proliferate in…
A: In humams serum is the plasma without clotting factors. Which means that plasma contains antibodies,…
Q: 3. What are the specialized parts found in plant cells?
A: The second question is based on experiment so can't be answered. We are allowed to do up to one…
Q: What are the acute and chronic complications of diabetes mellitus?
A: A series of illnesses together referred to as diabetes mellitus alter how the body utilises blood…
Q: QUESTION 4 The main advantage of an established cell line versus a primary cell line prepared…
A: Centrifugation The technique by which different components of a mixture is separated.
Q: What is the chemical constituent responsible for the acid-fast property of Mycobacterium species?
A: Mycobacteria are fungus like bacteria. These are the slender rods, form mould-like pellicle in…
Q: Describe kinases and cyclins. How do they interact to cause cellsto move through the cell cycle?
A: Cells must duplicate their DNA before they divide in order to pass an identical copy of their…
Q: Why does the carbon footprint calculator ask where you live.
A: Global warming is the major problem nowadays as it is leading to drastic climatic changes. Green…
Q: Col Using complete sentences, compare and contrast the terms living and biotic. In your response,…
A: Introduction Ecology is the study of interactions between living things, such as humans, and their…
Q: Our policemen and soldiers help the city to be in its proper shape, ensuring the city is in order.…
A: Introduction Inside cells, organelles are specialised structures that carry out a variety of tasks.…
Q: Bacteriophage lambda Describe the method used to retrieve your gene of interest from the plaques.
A: The genomic library is critical in genomic investigations, whether to determine the link between…
Q: Match the following statements on the left with the correct type of fallacies on the right: What…
A: Introduction Amphiboly is a fallacy that occurs when someone employs syntax or punctuation in such…
Q: A patient came to the clinic with a complaint of malaise. She said she’s been feeling week since the…
A: Introduction Anemia is a disorder in which there are insufficient healthy red blood cells to…
Q: Which is the last stage of phage replication allowed to proceed before a temperate phage enters the…
A: Since comparable mechanisms have been seen for eukaryotic viruses, that can either develop a latent…
Q: How are we able to distinguish between the two (above) life cycles on a bacterial lawn?
A: Introduction Bacteria are prokaryotic, or single-celled, creatures that are virtually ubiquitous on…
Q: EXAMPLE Two mules mate but never produce offspring Lions (Africa) and tigers (Asia) in the wild An…
A: Reproductive isolation is a strategy that prevents species from either mater or producing viable…
Q: Explain why the following statements are false and reword them to be true, regarding meiosis or…
A: Introduction : A chromatid is one-half of two similar copies of a duplicated chromosome. At the…
Q: G1 phase after S phase after meiosis I after meiosis II n ploidy # of chromosomes per cell # of DNA…
A: Cell division occurs in two stages: mitosis and meiosis. Mitosis is the process of creating new body…
Q: In mice black fur (B) is dominant over white fur (b), Green eyes (G) is dominant over blue eyes (g)…
A: Inheritance pattern is a pattern which determines how traits are transmitted from parent generation…
Q: 15. Some molecules that are covalently bonded do not have a difference in charge across the mol-…
A: The research of biochemical functions at the cellular and molecular level is known as biochemistry.…
Q: How does covid 19 interact with nonspecific immune responce?
A: The virus that causes COVID-19 is found in the nasal cavity and mouth and deep inside the lungs.…
Q: How Histone modifications are also disrupted in cancercells ?
A: Cancer is characterized by the disruption of crucial pathways that regulate healthy cellular…
Q: 2', 3'-Dideoxyinosine has been approved as an anti-HIV drug. Propose a mechanism by which it might…
A: The management of HIV/AIDS normally includes the use of multiple antiretroviral drugs in an attempt…
Q: Caspases are responsible for ?
A: Caspases enzyme belongs protease enzymes family. They are named caspases due to their specific…
Q: Humans are a type of the following: O a. Organ O b. Organelle c. Organism Od. Organ System Oe. None…
A: An organ is a collection of numerous tissue coming together to form a functional unit to perform a…
Q: Based on your tree, you identified similarities of the 8 animals. In an effort to learn more about…
A: Animals are the unicellular biological organisms classified into the domain Eukaryota and kingdom…
Q: How tumor-suppressor genes contribute to cancer whenmutated or abnormally expressed ?
A: A tumor or cancer is the uncontrolled division of cells. The cell normally undergoes controlled cell…
Q: The inheritance pattern of this trait is Sex linked recessive Autosomal dominant Sex linked dominant…
A: The pedigree reveals if the DNA is carried through intact from one generation to the next. It can…
Q: 1.1 Some species of bamboo can grow 250mm/day. Assuming the individual cells in the plant are 10μm…
A: Introduction When a cell grows, its total mass—which includes the volume of its cytoplasm, nucleus,…
Q: What role does the liver play in nutrient metabolism, bile synthesis, storage of vitamins and…
A: Liver A large organ that is found in the upper abdomen. By secreting bile, the liver cleanses the…
Q: The following is made up of two or more different types of elements grouped together as a unit: O a.…
A: Elements An element is a simplest unit which cannot be divided further by physical means.
Step by step
Solved in 2 steps
- Solution Absorbance mg/ml aspirin Standard solution - 1.6 mg/mL A 0.638 0.08 mg/mL B 0.504 0.064 mg/mL C 0.376 0.048 mg/mL D 0.259 0.032 mg/mL E 0.126 0.016 mg/mL A = -log T where T = %T ÷ 100 Construct a callibration curve using the above data. Absorbance should be on the vertical axis and "mg/mL of acetylsalicylic acid" on the horizontal axis. The line should go through the origin. Using the data provided, the graph you have generated, and the procedure that was used to generate the solutions which were examined by spectroscopy, calculate the amount of acetylsalicylic acid per tablet. Commercial tablet 1 labelled as 100 mg enteric coated Absorbance = 0.16 Commercial tablet 2 labelled as 300 mg Absorbance = 0.45 Student prepared tablet from practical 5 Absorbance = 0.19 Using the data provided, the graph you have generated, and the procedure that was used…In a mixture of five proteins listed, draw an elution profile (Absorbance vs. mL eluted, arbitrary) for the purification of the listed proteins on a gel filtration chromatography resin: cytochrome c (pI = 5.4; Mr = 13,000), immunoglobulin G (pI = 7.3; Mr = 145,000), ribonuclease A (pI = 9.6; Mr = 13,700), RNA polymerase (pI = 6.3; Mr = 450,000), human serum albumin (pI = 5.4; Mr = 68,500). Label your elution peaks. Draw a sketch of an SDS-PAGE, reflecting the mobility of the above mixture as they elute from the column. Label you protein bands.Guanosine (C10H13N5O5) in solution has a maximum absorbance at a wavelength of 275 nm. The molar extinction co-efficient at this wavelength is 84M−1cm−1and the path length is 24.7 cm. Through the use of a spectrophotometer, it is found that the that A275= 1.48. What is the concentration of the guanosine solution in grams/litre? Molecular weights (g/mol): C-12, H-1, N-14, O-16 Select one: A. 0.201869 g/L B. 0.435188 g/L C. 0.059919 g/L D. 0.294046 g/L E. 0.000713 g/L
- The original concentration in a sample of kombucha is 2.79 x 10^6 CFU/ml. Which dilution would yield a countable plate? How would you make this? Show your calculations. Confused as to what's implied by "which dilution"? does it mean, how many times?Table 2. Volume of BSA, protein content, and absorbance readings of reference solutions Solution Volume of BSA standard solution (μL) Protein content(μg/mL) Absorbance value At 595 nm 1 0 0 0 2 10 1 0.022 3 30 3 0.065 4 50 5 0.106 5 70 7 0.178 6 100 10 0.299 7 120 12 0.380 Make a graph by plotting the absorbance values versus the BSA protein content (in μg) for theseven reference solutions. When constructing the graph, be…What would be the best buffering agent to choose if you wanted to buffer an enzyme reaction or tissue culture medium at pH = 7.95? Group of answer choices a. HEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid); pK = 7.5 b. Histidine; pK1= 1.78; pK2= 5.97; pK3= 8.97 c. Bicarbonate; pK = 6.1 d. Phosphate; pK1 =2.0, pK2 = 6.8; pK3 = 12.5 e. Tris or Tris(hydroxymethyl)aminomethane; pK = 8.07