1) Homeostasis is the condition in which the body maintains a. changing state‚ within an unlimited range. b. an equilibrium point that can change over a narrow range that is compatible with maintaining life c. an equilibrium change that balances external and internal environment such that values of each are equated 2) Anabolism is the a. breakdown of matter. b. expulsion of matter. c. synthesis of matter. d. All of the answers are correct. 3) The sum
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Produced by cell clusters in the pancreas called the Islets of Langerhans‚ insulin is a hormone that regulates glucose concentration in the blood. It is a protein synthesised and stored by beta cells‚ which secrete it in surges responding to changes in glucose levels. (Hardin‚ Bertoni and Kleinsmith‚ 2012) Fig 1. The Pancreas and Insulin |Source: University of Maryland (2011) | | |
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BIOTECHNOLOGY RECOMBINANT DNA technology 1. This is a modern biotechnological advance ‚ in which a desired gene fragment can be inserted in to a cloning vector and the resulting DNA (Recombinant DNA) can be amplified in suitable host. 2. A vector can be a plasmid‚ cosmid‚bacterophage‚retroviruses‚ animal and plant viruses or artificial chromosomes like YAC‚ BAC‚or HAC.(Yeast artificial chromosome‚ bacterial........) 3. The rec. DNA produced can be amplified or cloned in a suitable vector
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The Role of Primate Sociality in Evolutionary Theory Introduction Some animals‚ and more specifically primates‚ have been noted for having brains of an uncommonly large size. One explanation for this phenomenon is the ‘social brain’ or ‘social intelligence’ hypothesis‚ which states that brain sizes have increased in order to handle the demands of sociality (Lindenfors 2005; Pérez-Barbería et al. 2007). The increase in brain size can be attributed to the computational power needed to track
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Science 10. P 393 Investigation 13A Time (sec) Displacement (cm down) Velocity ( down) 0 0 0 0.1 0.6 = Df – Di = 0.6 – 0 = 0.6 = 0.2 1 = Df – Di = 1 – 0.6 = 0.4 = 0.3 3.3 = Df – Di = 3.3 – 1 = 2.3 = 0.4 5.9 = Df – Di = 5.9 – 3.3 = 2.6 = 0.5 7.4 = Df – Di = 7.4 – 5.9 = 1.5 = 0.6 8.7 = Df – Di = 8.7 – 7.4 = 1.3 = 0.7 10.1 = Df – Di = 10.1 – 8.7 = 1.4 = 0.8 11.4 = Df – Di = 11.4 – 10.1 = 1.3 = 0.9 12.9 = Df – Di = 12.9 – 11.4 = 1.5 = 1.0 11.8 = Df – Di = 11.8 – 12.9 = -1.1 = 1
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Who Discovered DNA? Heather Kane The discovery of deoxyribonucleic acid‚ more commonly known as DNA‚ has been the foundation for much scientific work. This fundamental discovery was credited to James Watson and Francis Crick. Many people believe that another person‚ Rosalind Franklin‚ also played a large role in the research. How much did she contribute to the discovery? Why is her name left unrecognized? This paper will discuss her part in the search and whether her name should appear next to
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Ka Zhu The Importance of the Structure of DNA Understanding ideas at a macroscopic scale is simple. Looking at a clock‚ observing and understanding the movements of the hands over the numbered surface are‚ in essence‚ all one requires to use the device. In order for innovation to occur‚ it is imperative to understand the inner workings of the device on a microscopic scale to modulate its properties. Such is the case for many innovations in science‚ from the heat engine to penicillin‚ and is no
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The Decades Old Battle of the Court Reporter vs. The Tape Recorder Allow me please to define court reporter: The court reporter is the person who uses a stenograph machine to take down every word in a proceeding. The machines have fewer keys than a standard keyboard‚ and several keys can be pressed simultaneously to represent certain sounds. The word “no‚” for example‚ is written “tpho‚” with all four keys hit at the same time. Tph is the “n.” The goal in court reporting school is
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1. Sequence A TCT TCC CTC CTA AAC GTT CAA CCG GTT CTT AAT CCG CCG CCA GGG CCC CGC CCC TCA GAA GTT GGT Sequence B TCA GAC GTT TTT GCC CCG TAA CAA CTT GTT ACA ACA TGG TCA TAA ACG TCA GAG ATG GTC AAT CTC TTA ATG ACT Sequence C TAC AAA CAT GTA AAC ACA CCC TCA GTG GAC CAA CTC CGC AAC ATA AAC CAA ACA CCG CTC GCG CCG AAA AAG ATA TGG 3. 4. Sequence A - Middle Sequence AGA AGG GAG GAU UUG CAA GUU GGC CAA GAA UUA GGC GGC GGU CCC GGG GCG GGG AGU CUU CAA CCA Sequence B - End Sequence
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Catabolism of Proteins F. Photosynthesis Page 2 BIO 2924 Mr. Smith Unit III Enzymes An enzyme is an organic catalytic agent produced by a living cell. A catalyst is a substance that has the capacity to speed up chemical reactions without itself being altered after the reaction is complete. Characteristics of Enzymes 1. Most enzymes are proteins or proteins combined with other chemical groups‚ and other enzymes (ribozymes) are composed of RNA. Since enzymes are proteins or RNA molecules
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