This website uses cookies to ensure you have the best experience. Learn more

Biology Essay

886 words - 4 pages

1. A normal gene for autosomal traits may look something like this: T A C A C C T T G G C G A C G A C TFor this problem, that gene has been mutated and now looks like this : T A C A C C T T A G C G A C G A C TPlease transcribe and translate this gene (mRNA and tRNA, including amino acids) and explain the processes of both transcription and translation. Compare the processes of transcription and translation in the normal DNA strand, and the mutated strand. (10 - I, 15 A)Normal:DNA: ATG TGG AAC CGC TGC TGAmRNA: AUG UGG AAC CGC UGC UGAAmino acid: MET TRP ASN ARG CYS STOMutated:DNA: ATG TGG AAT CGC TGC TGAmRNA: AUG UGG AAU CGC UGC UGAAmino Acid: MET TRP ASN ARG CYS STOTranscription is the creating of a matching RNA copy of a sequence of DNA. RNA and DNA are both nucleic acids and use base pairs of nucleotides that can be converted back and forth from DNA to RNA by enzymes. A DNA sequence is read by and RNA polymerase, which makes a matching antiparallel RNA strand. Instead of DNA replication, transcription uses RNA that includes uracil (U) instead of thymine (T), which would happen in DNA replication.RNA polymerase moves to the transcription bubble, a stretch of unpaired nucleotides, by breaking the hydrogen bonds between complementary nucleotides.RNA polymerase adds matching RNA nucleotides that are paired with complementary DNA bases.RNA sugar-phosphate backbone forms with assistance from RNA polymerase.Hydrogen bonds of the untwisted RNA + DNA helix break, freeing the newly synthesized RNA strand.Transcription is the first step leading to gene expression. The stretch of DNA transcribed into an RNA molecule and encodes at least one gene. If the gene transcribed encodes a protein, the result of transcription is a messenger RNA (mRNA), which will then be used to create that protein via the process of translation. Or, the transcribed gene may encode for a transfer RNA (tRNA).Translation is when messenger RNA (mRNA) is produced by transcription is decoded by ribosome to produce a specific amino acid chain, or polypeptide, that will later fold into an active protein. The ribosome facilitates decoding by inducing the binding of tRNAs with matching anticodons sequences to that of the mRNA. The tRNAs carry specific amino acids that are chained together into a polypeptide as the mRNA passes through and is "read" by the ribosome. Translation has four phases; initiation, elongation, translocation and termination. Amino acids are brought to ribosomes and assembled into proteins. In activation, the right amino acid is...

Find Another Essay On Biology

Forensic Biology Essay

745 words - 3 pages ; mastering the tools and techniques utilized regularly in the field of forensic biology requires extensive training. Choosing to pursue a career in forensic biology is as serious and committed a decision as with any other scientific discipline, involving intensive study of difficult concepts and scientific processes. Those practicing in the field of forensic biology generally have a four-year degree in one or more of the following areas: general biology

Marine Biology Essay

1121 words - 5 pages Marine Biology If you are interested in adventuring the depths of the ocean, being a marine biologist is the job for you. As a marine biologist you will need to have several years of schooling in order to have a successful career. Being a marine biologist can be an enjoyable and dangerous job, but the journey is worth the ride. Several people ask what is a marine biologist? There are various answers to this question. The best answer shall

Biology assessed

365 words - 2 pages Year 11 Biology Assessed HomeworkAutumn 16 mark longer answer questionCollagen is an important protein in the body.Sometimes, disorders involving collagen cause problems in the skin and joints. They can also cause blood vessels to weaken and arteries may burst. These disorders can be inherited.Explain how an inherited disorder affecting collagen could come about and suggest why it causes these particular problems.The quality of written

Wildlife Biology

923 words - 4 pages Wildlife Biologist My report is on Wildlife Biology. What is Wildlife Biology? It is the study of plants and animals in their enviroment. A Biologist conducts experiments to help the world or to save species from extinction. They also do things like habitat restoration, reintroduction of endangered species, and evaluation of the impacts of Federal projects.Wildlife Biologist is a job that is combined of Botany and Zoology. Botany is the study of

Biology Article

911 words - 4 pages Biology Article A new study in diabetes research finds a possible cure for diabetes by creating a gene mutation. Give your thoughts, tell what the article is about. Explain this article and how it relates to biology, and which topic in the textbook relates to this article. What was the reason this article was interesting to you. How does this article relate to you? Discuss how the scientific topic relate to you. Discuss how the research on

Cellular Biology

2717 words - 11 pages My research topic is the controversy behind stem cellular biology. This topic is a very modern topic and it has garnered quite the negative persona by the masses. This negative connotation behind stem cellular biology is the reason I chose this topic. Rather than just following the herd and claiming stem cell is a dangerous science I would rather attempt to fully understand the science and form my own beliefs on this controversial topic. The

Conservation Biology

2432 words - 10 pages it was clear that something must be done to change the then current conditions in the park. These observations may have been the first step that led to gray wolf reintroduction initiatives and research in Yellowstone National Park. The conservation and reintroduction of the gray wolf to Yellowstone National Park involves many issues that are applicable to Conservation Biology. In regards to Conservation Biology, this project included working

BIology IA

1676 words - 7 pages Biology 3 Higher Level Internal Assessment Lab Format IB Biology Internal Assessment Lab Format Do not "cram" sections together leaving me no room to make comments. Do not complete sections out of order (like attaching graphs at the end) The following titles and subtitles should be used for your lab report. Planning (a) Question - must be focused and not ambiguous in any way make it clear what you

Cougar Biology

969 words - 4 pages is no population estimate for the eastern cougar as it is rarely seen. In the United States, they have declared the eastern cougar to be extinct since March 1, 2011, despite cougar sightings being reported. They have declared the eastern cougar to be endangered in Canada since1982, even after possible cougar tracks being found. However, there is no population estimation. F) Reproductive Biology: Birth pulses are reported on the high in January

Biology FRQs

1768 words - 7 pages MugaveroMugaveroBrook MugaveroMs. LeivaAP Biology, Period ?4 September 2014FRQ #1Proteins are large complex molecules that are major building blocks of all living organisms. Proteins are diverse and have a wide range of responsibilities within an organism. However as unique as individual proteins are, the chemical composition of all proteins consists of polymers that come from the same array of twenty amino acids and all proteins share three

Biology Essay

2407 words - 10 pages Biology assignment Part A: Darwin's finches 1. Aspects of evolution involved in Darwin's Finches When Charles Darwin first stepped ashore on the Galapagos Islands in September 1835, it was the beginning of the greatest biological discovery of all time; five weeks that he spent on those islands were possibly one of the greatest achievements of science, although he did not know it at the time. Among the myriad of other discoveries, he observed

Similar Essays

Biology Essay

2271 words - 9 pages opportunity for that. My preferred fields are marine biology or environmental biology/ zoology because they are hands on with the animals and fish. Even though I really do not want to sit behind a desk or in a lab all day, I will do anything in this field that requires working with animals, in the field or in the lab.The biology field shows promise in advancement and employment opportunities. According to the US Bureau of Labor Statistics, job

Biology Essay

1088 words - 4 pages levels.Therefore, In conclusion it can be seen that Cells are the building blocks of life; they create organelles, helping our body to function and carry out specific roles. Cells themselves are complex, they are built out of multiple organelles and are specialized do certain roles within each cell, and when working correctly they allow cells to function correctly.ReferenceEnzymes and aerobic respiration, bbc.co.uk http://www.bbc.co.uk/bitesize/standard/biology, last accessed 10/10/2014Eukaryotic cells, shmoop.com,http://www.shmoop.com/biology-cells/all-eukaryotic-cells.html, last accessed 9/10/201423

Biology Essay

3340 words - 14 pages I slammed my hand on the alarm clock as it buzzed loudly in the early morning. Ten minutes more, okay? I rolled on my back and covered my eyes with my arm. I just didn’t have the energy to get ready for school. Heaven forbid. I hadn’t finished my essay yet! Plus, we had a quiz in History and Biology. Life is so fantastic. “Kai-ah, wake up. You don’t want to be late for school,” Dad called outside my room. “Coming!” I groaned. I scrambled out of

Biology Essay

7536 words - 30 pages beginning of your biology course?You will need to use anatomical terminology in any biology & anatomy courses you take. This terminology is also extensively used in all health and medical professions.10. Describe a median sagitall incision through an organ:It is a longitudinal cut along the midline of the organ which separates the organ into equal left and right halves.11. List 4 characteristics unique to mammals:1. warm blooded2. mammary glands3. 4