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1. The body has numerous amounts of cells. Cells are the smallest living subunit of an organism. Cells are made up by even smaller organelles. For example the cilia of the trachea is psuedostratified squamous epithelium which means it is flat, it has many layers like a stack of pancakes and has cilia on it. The cilia function to sweep debris and pathogens into the highly acidic hydrochloric acid of the stomach where dust, debris and pathogens are dissolved. Pick a cell in the body and tell the class what you like about its specializations. What makes it unique and able to carry out its function? Review two of your peer's selections and tell them what you like about their selection.
2. Now take it a step further and list for the class your two favorite organelles. What are their functions? Why did you choose this organelle?
3. In the United States we travel by air, sea, and of course land. We have several ways to ship or transport goods from one place to another. Companies like UPS, FEDEX, and the government itself transports goods all over the world. Pick two of the following types of cellular transport (filtration, phagocytosis, pinocytosis, diffusion, active transport, facilitated diffusion and osmosis) and describe them to your classmates. What real life analogies can you make to these transport processes to help your class remember?
a) How can a permanent symbiosis arise from an exploiter victim relationship? b) Comment on the likelihood of the origin of obligate mutualisms from exploiter victim relationships.
Which parts of a eukaryotic gene aretranscribed? Self-cleaving RNAs that functioncatalytically are called. Molecules of tRNA are
Fatty acids are "amphipatic". What is meant by this term and how does an amphipathic molecule behave in water? Draw a diagram to illustrate your answer.
When a particular gene is said to be ‘sex-linked', on which chromosome is that gene usually present?
Assume you are conducting a mark-recapture study of a population of snouters. During your first sampling period you go out and catch or mark or release 141 snouters.
How many stamens and pistils are in a shsta daisy "leucanthemum x superbum" from the family Asteraceae?
What would be the appropriate blank to use for the spectrophotometric measurements? A. A mixture of equal volumes of acetone and H2O. B. Acetone C. H2O D. Methanol E. More information is needed before this determination can be made.
Ms. Johnson is suing her former husband for potential child support payments for her 2-year-old child. Is the attorney right
define nosocomial infections. explain the factors that might influence whether a patient can acquire nosocomial
name the main factor that regulates the rate of breathing and sequence the path of air follows through the respiratory system
What were the components of the pectoral girdle in early fishes and how has it changed in tetrapods? Specifically, what is the typical fate of the coracoids and clavicle in the tetrapod girdle?
Draw a double phospholipid bilayer, such as that surrounding the nucleus, mitochondrion, & chloroplast , why is there an inter- membrane space when is a double membrane?
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