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What has to be properly functioning in a unicellular organism for homeostasis to be maintained.

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What advance in technology made the discovery of cells possible

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Which one of these are not an example of intracellular communication 1. a muscle cell maintains homeostasis 2. a nerve cell stimulates a muscle cell to contact 3. a muscle sell is coordinated 4. a signal is translated to cause muscle contraction

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What cell shape might increase the surface area and decrease the volume?

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Which substance can enter a cell by diffusion without having to be digested

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What are the answers to the blanks in these sentences? 1. Forms of plankton move about in the water by _____, but _______ cannot because they are anchored. 2. The green, leaf like pare of the ______ is edible and is common form of shallow-water _______. 3. Both land and sea plants the important green coloring substance called _____.

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At the end of meiosis I each cell has __________ the number of chromosomes as was in the original cell. A. four times B. half C. twice D. three times

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At the end of meiosis I each cell has __________ the number of chromosomes as was in the original cell. A. four times B. half C. twice D. three times

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Choose all the answers that apply. Viruses _____. A. must replicate inside a cell B. cannot survive without a host C. are part of the Protista kingdom D. are bundles of genetic material in a protein casing E. are multicellular

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Which organelle is the store house for most of a cells genetic information

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What happens to water that is not removed from land by evapotranspiration

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Tourism for wildlife viewing and outdoor recreation can be a welcome source of income for many developing countries. This is sometimes referred to as ecotourism. Make a list of three things you think a country’s government should do in order to make sure that ecotourism does not do more harm than good.

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BIO EXPERTS!! 15 PTS Programmed cell death (apoptosis) is sometimes called “controlled cell suicide.” Explain what happens during this process and discuss TWO specific consequences that could occur if apoptosis did not occur when it should.

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Oxygen first entered Earth’s atmosphere when one-celled organisms resembling modern cyanobacteria began to carry out the process of _____. A fossilization B evolution C photosynthesis D erosion

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A person has part of their lung removed through surgery. Which of the following correctly describes how conditions in their body will change?

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Explain the cycling of energy through the processes of photosynthesis and cellular respiration.

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What is a likely factor that creates a difference between a category 1 and 5 hurricane? a. category 1 has cooler and moister air than 5 b. category 1 has warmer and drier air than 5 c. category 5 has cooler and drier air than 1 d. category 5 has warmer and moister air than 1

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Cellular respiration is a series of complicated reactions. Some of the enzymes that are necessary for the reactions to take place effectively are not produced by the body and must be eaten in a person’s diet. Which answer correctly explains what happens when a person’s diet lacks the necessary enzymes for cellular respiration? A. The production of ATP will increase as the enzyme decreases. B. The cellular respiration reactions will use another available enzyme. C. The cellular respiration reaction rate that uses the missing enzyme will increase. D. The cell’s energy level will diminish as the enzyme decreases.

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With the exception of gametes, all new somatic cells in all multi cellular organisms are formed through the process of mitosis. What must occur with the DNA in the original cells in order for mitosis to make new cells? A) the DNA coils up and becomes invisible B) the DNA forces the production of water Eliminate C) the DNA will mutate itself, based on the type of organism it is D) the DNA must replicate itself in order to make two exact copies

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Why do cells in different organs have different functions

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How is a egg cell adapted

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When a virus infects a cell, A. the proteins and nucleic acids enter the cell. B. the nucleic acids enter the cell, but not the proteins. C. the proteins enter the cell, but not the nucleic acids. D. neither the proteins nor the nucleic acids enter the cell.

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When a virus infects a cell, A. the proteins and nucleic acids enter the cell. B. the nucleic acids enter the cell, but not the proteins. C. the proteins enter the cell, but not the nucleic acids. D. neither the proteins nor the nucleic acids enter the cell.

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Which of these is a disadvantage of multicellular organisms? Cells are able to provide support. They can perform more functions. They can reproduce quickly. They need large amounts of energy.

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DNA is typically found in cells in the form of a very long strand that is coiled many times and contains thousands or millions of nitrogen bases. Which term best describes this very long molecule of DNA?

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Where is the electron transport chain for cellular respiration located

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Which stage of the cell cycle does cell duplicate its DNA M stage, G2 stage , G1 stage, S stage

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Which organelle would a cell have a large number of if the cell used a lot of energy

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How do channel proteins assist cells in the process of diffusion

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Name three reason why cells would need to divide

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