Which of the following is not characteristics of all organisms /18/18 Bo211 Exam

Question

Which of the following is not characteristics of all organisms /18/18 Bo211 Exam 1 100 ps A. Capable of self-reproduction B. uses enengey C. regulation & evolutionary adaptation E 31 Why water is considered a polar molecule? A. The oxygen atom is found between the two hydrogen atoms B. The oxygen atom attracts the hydrogen atoems C. The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge D. Both hydrogen atoms are at one end of the molecule, and the oxygen atom is at the other end. 32 Isotopes of an element have the same number of and different numbers of A) protons....neutrons B) protons.. electrons C) neutroms... protons D) electrons.. protons 33 Which of the following statements provides the best evidence that there is a common genetic code that demonstrates the unity of life? A) Bees, birds, and bats all have wings and fly B) Bacteria, mushrooms, and cats all have DNA. C) Many insects can pollinate only a particular species of plant. D) Through genetic engineering, a gene from a firefly can be inserted into a bacterium to make it glow 34 Which of the following sequences correctly lists that hierarchy from least inclusive to most inclusive A) ecosystem, population, organ system, cell, community, molecule, organ, organism, organelle, tissue B) cell, molecule, organ system, organ, organelle, population, tissue, organism, ecosystem, commu C) molecule, cell, organism, organ system, tissue, population, organ, organelle, community, ecosystem D) molecule, organelle, cell, issue, organ, organ system, organism, population, community, ecosystem 35 An antibiotic kills 99.9% of a bacterial population. You would expect the next generation of bacteria A) to be just as susceptible to that antibiotic as was the previous generation. B) to be more resistant to that antibiotic. C) to die out due to the drastic decrease in population size D to be more contagiosthan the prior geetion. 36 How are these two amino acids attached together? B) amino group to carboxylic acid group D) through a hydrolysis reaction A) amino group to amino group C) carboxylic acid group to carboxylic acid group 37 An oil may be converted into a substance that is solid at room temperature by A) adding hydrogens, decreasing the number of double bonds in the molecules. B) removing water, causing a dehydration synthesis reaction to occur C) removing hydrogens, increasing the number of double bonds in the molecules. D) cooling it, so that double bonds form and the fats solidify

Explanation / Answer

23. Option E is correct. The complementary strand will be 3' TAACGT5'.

31. Option C is correct. Water is considered a polar molecule because the oxygen end has a slight negative charge and hydrogen end has a slight positive charge.

32. Option A is correct. Isotopes of an element have same number of protons and different number of neutrons.

34. Option D is correct.

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