Unit 3 Lecture Study Guide 1. List the 4 primary tissue types and give the general characteristics and functions of each one. Nerve Tissue: transmit nerve impulses; coordinates and regulates body activities‚ bind and support nerve tissue; carry on phagocytosis; connect neurons to blood vessels‚ changes shape from squamous to cuboidal Epithelial Tissue: covers all free body surfaces and lines organs‚ anchored to connective tissue by basement membrane‚ lacks blood vessels‚ can reproduce
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Conclusion 3.2.1 1 Describe how the DNA code is translated into messenger RNA. DNA is translated into messenger RNA through transcription and translation. DNA is split through transcription and then it is translated to match into RNA. 2 How is the RNA molecule a “script” for the protein production process? RNA is a script for the protein production process because they set the RNA up to translate into a protein. 3 What is the function of hemoglobin in the body? Hemoglobin functions in the body by
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I am writing a paper on the similarities of the setting between two books‚ The Giver and Gathering Blue both by the same author Lois Lowry. To start off‚ in both of the books they have annual gatherings each year that start in the morning‚ are multiple hours long‚ have lunch and resting breaks and continue into the afternoon. During these gatherings or celebrations the celebrate their past and their maturity and age. Another likeness is that they both have a committee of elders or the people that
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MACROMOLECULES OF LIFE DEFINITIONS INORGANIC CHEMISTRY A branch of chemistry which studies the structures‚ synthesis and reactions of compounds other than HYPERLINK http//searchbox.hyperdictionary.com/dictionary/hydrocarbons t _blank hydrocarbons and their derivatives ORGANIC CHEMISTRY A branch of chemistry that deals specifically with the structures‚ synthesis and reactions of carbon-containing compounds. CHEMICAL BONDS When two or more atoms are bonded together to form new and more complex aggregates
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bases found in DAN and RNA; either adenine or guanine. Pyrimidine: a nitrogenous base that has a single-ring structure; one of the two general categories of nitrogenous bases found in DNA and RNA; thymine‚ cytosine‚ or uracil. Purine has a double-ring structure and pyrimidine only has a single ring structure. Both are found in nitrogenous bases however‚ purine is found in adenine or thymine and pyrimidine is found in thymine‚ cytosine or uracil. b. ribosome and ribosomal RNA: Ribosome: a cell organelle
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Allison hernandez Yañez Grupo 2 A0141117 3 September 2014 A) Why is Carbon important? What makes Carbon so unique? 1.-Because this element have four valence electrons B) What are macromolecules? What is a monomer? What is a polymer? What is polymerization? 2.- A macromolecule is a very large molecule commonly created by polymerization of smaller subunits. In biochemistry‚ the term is applied to the three conventional biopolymers (nucleic acids‚ proteins‚ and carbohydrates)‚as well as non-polymeric
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feedback mechanisms? D) Negative feedback mechanisms work to prevent sudden severe changes within the body. Which of the following is a concept of the cell theory? D) A cell is the basic structural and functional unit of living organisms. The RNA responsible for bringing the amino acids to the "factory" site for protein formation is the: C) tRNA. If a tRNA had an AGC anticodon‚ it could attach to a(n) ________ mRNA codon. A) UCG The term used to describe the type of solution in
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in mammals by RNA interference is called Gene Knockdown. Gene Knockdown occurs by Messenger RNA (mRNA) being targeted so that it can no longer carry out its normal function. This happens by double stranded RNA (dsRNA) being introduced to the selected cell. The dsRNA then begins producing small interfering RNA (siRNA) which bind to the mRNA product of the target gene‚ and make it inactive. Double stranded RNA makes the targeted gene inactive by binding to an Argonaute protein. The RNA strand and Argonaute
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which is a double chain of sugars and phosphates that are joined by pairs of nucleic acids. These are adenine‚ guanine‚ cytosine and thymine. For replication‚ DNA is unzipped by the enzyme and it leaves a single nucleotide chain‚ which is then copied. RNA polymerase then reads the DNA strand and grabs a single stand of mRNA. This single strand leaves the nucleus and goes into the cytoplasm inside the ribosomes. Translation: tRNA brings the amino acid and anticodon which corresponds to the first (start)
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different types of amino acids that can be combined to make a protein. The sequence of amino acids determines each proteins unique structure and specific function. They play many critical roles in the cells. They can be grouped as enzymes‚ antibodies‚ messengers‚ structural components or transporters‚ according to their functions. These proteins are made through a process called protein synthesis. Some of the organelles involved in it are the ribosomes‚ the Rough Endoplasmic Reticulum and the Golgi Apparatus
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