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Chapter 1-3 Quiz

Karen Deseo 11 Fragen

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Fragen in diesem Quiz (11)

  1. 1Membrane phospholipids
    1. Ahave hydrophobic heads that face the centre of the membrane and are shielded from water.
    2. Bhave hydrophilic tails that face outward and are exposed to water.
    3. Care able to drift about in the plasma membrane
    4. Dremain fluid because they are tightly packed against one another.
  2. 2A hypothesis is
    1. Athe same as a theory
    2. Ba proposed explanation for a set of observations
    3. Can explanatory idea that is broad in scope and supported by a large body of evidence
    4. Da widely accepted idea about a phenomenon
  3. 3Which level in the hierarchy shown is a community?Bild zu Frage 3
    1. Aall environments on earth supporting life
    2. Bsavannah
    3. Call organisms in the savannah
    4. Dgroup of cheetahs
  4. 4Which of the following organisms belongs to the group represented in Box 1?Bild zu Frage 4
    1. Agiraffe
    2. Btree
    3. Cdecomposing bacteria
    4. Dleopard
  5. 5Which of the following statements regarding a common cellular activity is false?
    1. Acells respond to the environment
    2. Bcells develop and maintain complex organization
    3. Ccells regulate their internal environment
    4. Dnew cells are derived from cellular components like organelles
  6. 6You notice that over the past month, many students on campus have started wearing a new style of school sweatshirt. You think to yourself that perhaps the bookstore has recently started selling this new sweatshirt style. This prediction is an example of
    1. Aan experimental question.
    2. Ba type of observation.
    3. Ca hypothesis.
    4. Dan experiment.
  7. 7Which of the following is a trace element in the human body?
    1. Anitrogen
    2. Bzinc
    3. Coxygen
    4. Dhydrogen
  8. 8What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons?
    1. A6
    2. B8
    3. C12
    4. D18
  9. 9A hydrogen atom has one electron. How many covalent bonds can hydrogen form?
    1. Aone covalent bond
    2. Btwo covalent bonds
    3. Cfour covalent bonds
    4. Dno covalent bonds
  10. 10Household ammonia has a pH of 12; household bleach has a pH of 13. Which of the following statements about them is true?
    1. ABoth of these substances are strong acids.
    2. BThe ammonia has 10 times as many OH- ions as the bleach.
    3. CThe ammonia has 10 times as many H+ ions as the bleach.
    4. DA solution that could buffer the bleach and ammonia would remove excess OH- ions.

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Quiz am Chapter 1-3 Quiz, erstellt von Karen Deseo am 12/04/2018.
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