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You and your classmates differ widely in your familiarity with this topic. 1) You may be unmarried and have not thought much about it yet. 2) You may be married with a family and have used birth control at some point. 3) Some of you have been badly disappointed by […]

Are Bacteria prokaryotic or eukaryotic? Describe the three common shapes of bacteria. Are Bacteria heterotrophic or autotrophic? Do Bacteria cells have a cell wall? How do bacteria reproduce? Are Archaea prokaryotic or eukaryotic? Do Archaea cells have a cell wall? Describe the three major types of Archaea. Are Protists prokaryotic […]

Q1. Why is the sympathetic division of an autonomic nervous system active just before the race? What changes do you think are occurring in digestive and urinary systems at this time? Q2. Water is most dense and therefore heavier at 4 degrees Centigrade. At zero degrees Centigrade ice forms and […]

1.The rise of methicillin-resistant Staphylococcus aureus (MRSA) can be considered to be an example of artificial selection becauseA. S. aureus is cultivated by humans to replenish the soil with nutrients.B. humans synthesize methicillin and create environments in which bacteria frequently come into contact with methicillin.C. Humans are becoming resistant to […]