Prokaryotic and eukaryotic cells are both vital to our world today. Prokaryotic cells are simple‚ yet the oldest‚ and were known to evolve around 3.5 billion year ago. Eukaryotic cells are more complex and have been said to appear on Earth 2.5 billion years ago. It is sort of like people or characters in movies. You see them one year and basically understand what they’re doing or going through and then a year or two from now they seem like they become more complicated to understand. That’s just what happened
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between animal and plant cells. Although plant and animal cells both have mitochondria‚ cytoplasm‚ and ribosomes they differ in many ways. Animal cells do not have a cell wall and are round with irregular shapes. Centrioles are also present in all animal cells‚ as well as most eukaryotic cells. Plant cells only have centrioles if they are in the lower plant species. Both types of cells have vacuoles‚ but their functions are quite different. The purpose of vacuoles in a plant cell is to store water and
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prokaryotes‚ it’s easier to make DNA replication because of the lack of a nucleus‚ but to do DNA replication in a eukaryotic cell is more difficult. DNA of an eukaryotic cell is in chromatin form to fit into the small nucleus for the replication to occur‚ first the DNA should open. This is because it is harder for eukaryotes to carry out DNA synthesis. Replication of DNA in a prokaryote is different from a eukaryote. In a prokaryote they have a single origin where the replication process starts. Also eukaryotes
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FOR TEST 4: GENETICS CHAPTER 12 -1406 CHAPTER 8- 1408 MITOSIS 1. Define: genome‚ gene‚ chromosomes‚ chromatin‚ binary fission‚ homologous chromosomes‚ sister chromatids‚ daughter chromosomes‚ somatic cells‚ gametes‚ centromere‚ kinetochore‚ karyokinesis‚ spindle fibers‚ kinetochore microtubules‚ nonkinetochore microbules‚ centrosome‚ asters 2. List differences between eukaryotic and prokaryotic genome. 3. A chromosome consists of ____ (60%) and ____ (40%). 4. Describe
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reactions that the living cells and organisms use to maintain life. It also divides into two categories: Catabolism – that breakdown the molecules to obtain energy and Anabolism – that creates all of the compounds that the cells need to function. Nutrition is an important part of the availability of nutrients that utilized in the reactions that either synthesize or catabolize the material that is employed by the cells to produce power. This power is a requirement by the organism to synthesize proteins
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Unicellular organism From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search "Single-celled" redirects here. For prison cell assignment‚ see Single-celling. Valonia ventricosa is among the largest unicellular species. A unicellular organism‚ also known as a single-celled organism‚ is an organism that consists of only one cell‚ unlike a multicellular organism that consists of multiple cells. Historically the simple single celled organisms have sometimes been referred to as monads
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Progamming concepts | | Week 1 Pseudocode Statement ReviewThere are 4 types of pseudocode statements that we learn in Week 1:DeclareYou use Declare to tell the computer the names of variables and the types of variables. The syntax is:Declare variablename as type A variable name must begin with a letter‚ can include letters‚ numbers and the underscore. Spaces are not allowed. The variable type is based on the data that the variable will hold. For example‚ if the variable stores a name‚ then
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What are the consequences of the removal/extinction of an organism from the food web? The extinction or removal of an organism from a food web can affect different organisms directly or indirectly‚ depending on the trophic level the organism is and in what role they play in the food web‚ if it is carnivore‚ herbivore‚ omnivore‚ etc. Extinction has also been important for evolution in food webs. Some food webs are generated from the reaction with repeated extinctions‚ and the extinction rate is
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causes a seizure that could either be practically benign or life-threatening (1). In order to be diagnosed with epilepsy‚ one must have at least two seizures in their lifetime. Seizures are put into two main categories‚ focal and generalized (4). The two main types of focal seizures are Simple-partial and Complex-partial. Simple-partial episodes are characterized by an alteration in senses that typically results in involuntary body movements without a loss of consciousness. Complex-partial seizures often
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Principles of Management 1. Discuss which of the four historic types of approaches to management is best suited to explain management. In your answer‚ please pay special attentions as to which extent each is dealing with the tasks managers have to carry out in all of the four management functions. Student Number: 20028996 Four Historic Approaches to Management 2 The meanwhile increased spread of nearly innumerable different approaches to management‚ also known as the „management
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