generalized eukaryotic plant cell. Indicate the ways in which a nonphotosynthetic prokaryotic cell would differ in structure from this generalized eukaryotic plant cell. Plants are unique among the eukaryotes. The interiors of plant cells‚ like all eukaryotic cells‚ contain numerous organelles‚ which are membrane bounded structures that close off compartments within which multiple biochemical processes can proceed simultaneously and independently. The cell membrane of the plant cell has a phospholipid
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Exploring Life 1) Slides 1 and 2: What is the main difference between physiological adaptation (as in sense‚ respond and adapt to the environment) and evolutionary adaptation? Evolutionary adaptation occurs over generations. Evolutionary adaptation does involve genetic change but it’s the change in traits as a result of genetic change that drives natural selection and evolutionary adaptation (just genetic change alone won’t drive evolutionary change). Physiological adaptation is an adjustment to environmental
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Relationship Between Celebrities‚ Fans‚ and the Paparazzi The media revolves around a cycle of people wanting to be celebrities‚ the celebrities‚ and the paparazzi. To get a glimpse of how obsessed people actually are with celebrity‚ the documentary brought up some appalling evidence from a survey. The survey asked people which job they would most want to have‚ the survey included jobs such as CEO of a large company‚ US Senator‚ Chairman of Harvard University‚ and as well as the personal assistant
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Evolutionary (Darwinian) Medicine “Nothing in biology makes sense except in the light of evolution” –Theodosius Dobzhansky Proximate vs. Ultimate Questions Biological causation: proximate vs. ultimate explanations Physiology‚ genetics‚ biochemistry‚ etc. generally concentrate on * proximate causation “What” & “How” questions Ultimate causation: How evolutionary processes (natural selection; adaptation) and evolutionary history shape traits “Why” questions Traits have both types
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(Hint: those buried deep in the cell probably do different things than those closer to the cell membrane). Structure does not affect function of the cells‚ cells have a particular structure that enables them to carry out their function in the best way. 2. Draw a labeled diagram of a small section of the plasma membrane and briefly describe its structure and function. 3. Describe the difference between the animal and plant cells. Plant Cells have cell walls‚ which makes them appear rectangular
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Relationships with an animal is important to a lot of people for several reasons. An Animal can be the best friend of a person. Kids can learn a lot by having an animal as a pet . Old people need pets to stave off the feelings of loneliness in their homes. Some people keep pets as a hobby or for doing sports. Animals are good for people of all ages. While kids are young they are able to learn‚ especially if they have an animal. They can learn and understand that animals have feelings‚ and how
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Evolutionary Bioenergetics of Protocells Introduction Bioenergetics is central to our understanding of living systems‚ though there has been very less research in field of finding the origins of life. Understanding the origin of cellular life on Earth requires the discovery of plausible pathways for the transition from complex prebiotic chemistry to simple biology‚ defined as the emergence of chemical assemblies capable of Darwinian evolution. A coherent pathway which starts from no more than
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Evolutionary explanations of aggression Evolutionary psychologists argue that reproductive challenges faced by our ancestors can explain the aggressive behaviour seen in people today. A man can never be certain that he is the father of his wife’s children unless he prevents her having relationships with other men. This can explain why male jealousy is often cited as a cause of domestic violence. In many countries it is seen as acceptable to murder an adulterous wife or her lover e.g. among the Nuer
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The Evolutionary Theory of Attachment Bowlby’s evolutionary theory consists of a number of essential factors. The evolutionary theory of attachment as proposed by John Bowlby (1907-1990) suggests that attachment‚ in terms of adaptation‚ is essential for survival. In order to progress healthily‚ children are born with an innate tendency to form attachments. This means that infants are pre-programmed to become attached to their caregiver. This is supported by the research of Lorenz (1952) in
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Cell: The cell is the basic structural‚ functional and biological unit of all known living organisms. Cells are the smallest unit of life that is classified as a living thing‚ and are often called the "building blocks of life". Discoverer: The cell was discovered by Robert Hooke in 1665. The cell theory‚ first developed in 1839 by Matthias Jakob Schleiden andTheodor Schwann‚ states that all organisms are composed of one or more cells‚ that all cells come from preexisting cells‚ that vital functions
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