Biology

Which of the following events occurs in DNA replication in prokaryotes? a. Replication starts from a single point and proceeds in two directions until the entire chromosome is copied. b. Replication starts from multiple points and proceeds in two directions until the entire chromosome is copied. c. Regulatory proteins bind to all of the nucleotides on the DNA molecule. d. Enzymes unzip the DNA molecule by breaking ionic bonds between base pairs.
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Do you think a solar furnace could work well where you live?
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Which of the following statements about Newton's second law is false?A. The acceleration of an object is directly proportional to the net force applied on the object.B. The acceleration of an object experiencing a constant net force is inversely proportional to its mass.C. Objects with a small inertia are harder to accelerate than objects with a large inertia.D. Increasing the net force applied to an object increases the acceleration of the object.
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Emilia Burton is an 18-year-old high school student who began to experience weight loss despite a ravenous appetite and resulting increased dietary intake. She has to make frequent trips to the bathroom to urinate and has difficulty concentrating on her work because of fatigue. She drinks large volumes of coffee to help with a constant dry mouth and to combat her fatigue. At a clinic appointment, it was noted that her weight has dropped from 140 lb to 128 Ib. a) What is the probable diagnosis of this patient? What information from the above scenario would support your diagnosis?b) What laboratory test(s) should be performed? Which result(s) would support your diagnosis? What immediate and long-term therapy will Emilia need to manage her disorder? c) Emilia should be aware of the potential acute and long- term complications of her condition. What are they?
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PLEASE HELP ME!!!!!What is the relationship between mutation, the cell cycle, and cancer? Select all statements that apply. A. Mutated genes typically allow cells to respond to checkpoint proteins that halt the cell cycle, thus avoiding formation of tumors. B. As a result of unregulated cell cycles, cells may become cancerous, meaning that the cells grow and divide uncontrollably. C. Cancerous cells may form malignant tumors that invade and destroy surrounding healthy tissue. D. Mutated, defective genes may cause cells to become unable to respond to signals that regulate the cell cyle
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Does papa love mombo?
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How do bacteria multiply again? Use the key terms genetic information, DNA, split in two, and exponential growth.
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. Which statement best expresses the central idea in the article? A. Scientists have discovered a way to prevent genetic defects in babies, but some believe genetic development should be left to nature B. Scientists have discovered a way to prevent genetic defects in babies, but some worry that the process could be used for great economic gain C. Scientists have discovered a way to prevent genetic defects in babies, but the method is against many families religions D. Scientists have discovered a way to prevent genetic defects in babies, but the process is still very risky
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Compare and contrast relative with absolute (radiometric) dating. In your response, include the following:- What is each type of dating (describe it in words)- Provide an example of each type of dating- Discuss the advantages/disadvantages to each type of dating. In other words, under which circumstances should you use each?- What do the different types of dating have in common? How are they different?
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Please Help!!!!Muscles intended for large, powerful contractions contain llx muscle fibers. true or false
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How do you get rid of homologous chromosomes?
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What practice helps scientists avoid bias in their findings
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6. Using the diagram to the left,which cities have the same seasons atabout the same time? Why do you saythat?(Hint: There are two sets of cities).
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A forensic team arrives at an arson scene. Investigators also lead a police dog into the building. What most likely is the dog's job at the scene? To find any living survivors To sniff out any flammable liquids To check for illegal drugs To take down a suspect
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The diagram below represents a sample of a sedimentary rock viewed under amicroscope. Which part was formed first?
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All animals are ____________________, meaning they have many cells and are eukaryotic.
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A scientist is observing a new species of organism. She observes that from generation to generation many of the organisms offspring have adaptations that their parents did not have. This organism is most likely reproducing through_______.a. sexual reproductionb. buddingc. asexual reproductiond. binary fission
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Which of the following is not a function of the bacterial cell wall?A. Provide the cell with shape and rigidityB. Prevent the cell from lysingC. Protect the cellD. Provide the cell with locomotion
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What are some ways we can stop global warming in the arctic?Help!
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True or false: All herbivores are autotrophs.
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If all cells have the same DNA how do they become different types of cells?
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