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Explain what is environmental DNA in detail and what is barcoding and metabarcoding (1000 words).
Step by step
Solved in 5 steps
- Explain how a genetic map (in map units) is related to actual physical distance (in base pairs of DNA)?Describe what a DNA fi ngerprint is and why and how polymorphic fragments can be used to form a unique DNA pattern.Which of the following combinations are true of the nucleotide composition of a sample of DNA? SELECT ALL ANSWERS THAT APPLY* C = A and G = T A +T = G+ C AxC = G x T A=T and C = G A-T= G-C A+C = G+ T DNA is made up of deoxyribose sugar, phosphate group and a nitrogen base. DNA is the genetic material that determines the traits of living things and is O O O
- Examine carefully the given plane DNA model below and fill out the required information by identifying the correct structural component using the following letter notations: P = phosphate D = Deoxyribose A = adenine T = thymine G = Guanine C = cytosineWhy do we study the DNA sequence of human organism?For entertainment on a Friday night, a genetics professor proposed that his children diagram a polynucleotide strand of DNA. Having learned about DNA in preschool, his 5-year-old daughter was able to draw a polynucleotide strand, but she made a few mistakes. The daughter’sdiagram (represented here) contained at least 10 mistakes. Q. Draw the correct structure for the polynucleotide strand.
- Explain the sequence of the four letters of the DNA alphabet?Using the figure below identify: What is a function of introns and exons? What is a role of mobile DNA elements? What is a meaning of simple-sequence DNA?Examine the DNA model, what are the features that contribute to the stability and the ability of the DNA to replicate faithfully? Identify the specific molecule represented by the following colored plastic chips. Color Molecule Represented BrownWhiteOrangeBlueGreenRedPinkYellow
- Why is there a difference between how the DNA looks between a whole food sample (strawberry or peas) and a processed sample (chocolate or gummy)? Compare two samples: a fresh sample and a processed sample. Describe how they appear differently and describe why they appear differently.Which of the following best describes the process of DNA sequencing? a. DNA is separated on a gel, and the different bands are labeled with fluorescent nucleotides and scanned with a laser. b. A laser is used to fluorescently label the nucleotides present within the DNA, the DNA is run on a gel, and then the DNA is broken into fragments. c. Nucleotides are scanned with a laser and incorporated into the DNA that has been separated on a gel, and then the DNA is amplified with PCR. d. Fragments of DNA are produced in a reaction that labels them with any of four different fluorescent dyes, and the fragments then are run on a gel and scanned with a laser. e. DNA is broken down into its constituent nucleotides, and the nucleotides are then run on a gel and purified with a laser.What are the base-pairing rules for DNA? a. A-G, T-C c. A-T, G-C b. A-C, T-G d. A-A, G-G, C-C, T-T
