Test 1 bio - Inside a living cell which type of bond would be the most stable Choose one answer a hydrogen b ionic c covalent d polar e all bonds

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Inside a living cell, which type of bond would be the most stable? Choose one answer. a. hydrogen b. ionic c. covalent d. polar e. all bonds are equally stable in a living system Correct Marks for this submission: 2/2. Question 2 Marks: 2 A covalent bond occurs when ________. Choose one answer. a. protons are transferred from one atom to another b. neutrons are shared between two atoms to form an isotope c. electrons are shared between two atoms to complete their octets A in d. the hydrogen of one water molecule is attracted to the oxygen of another water molecule e. electrons are transferred from one atom to another Correct Marks for this submission: 2/2. Question 3 Marks: 2 The term to describe any substance which can prevent the pH of a solution from changing by either releasing or absorbing H + in a solution is Choose one answer.
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a. equalizer. b. solute. c. buffer. d. acid. e. base. Correct Marks for this submission: 2/2. Question 4 Marks: 2 Isotopes of an atom differ in their Choose one answer. a. atomic number. b. atomic mass. c. number of electrons. d. atomic radius. e. number of protons. Correct Marks for this submission: 2/2. Question 5 Marks: 2 The reactivity of an atom depends on Choose one answer. a. the number of protons. b. the number of neutrons.
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c. the number of electrons. d. the number of valence electrons. T g e e. the number of protons and neutrons in the nucleus. Correct Marks for this submission: 2/2. Question 6 Marks: 2 The process of _____________________ transforms solar energy into chemical energy. Choose one answer. a. metabolism b. homeostasis c. respiration d. photosynthesis e. reproduction Correct Marks for this submission: 2/2. Question 7 Marks: 2 The smallest unit of life is a Choose one answer. a. tissue. b. organ. c. cell. d. specie.
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e. organism. Correct Marks for this submission: 2/2. Question 8 Marks: 2 In science, a theory Choose one answer. a. is tested by an experiment. b. is more narrow in scope than a hypothesis. c. encompasses many hypotheses. d. cannot be tested. e. is held to be an absolutely correct answer to a question. Incorrect Marks for this submission: 0/2. Question 9 Marks: 2 Geese are known to use the magnetic field of the Earth in navigating their twice yearly migrations. This is an example of which characteristic of life? Choose one answer. a. maintaining homeostasis b. reproduction and development c. interacting with the environment d. energy regulation O e. organization Incorrect Marks for this submission: 0/2. Question 10 Marks: 2
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All single-celled organisms including archaea and bacteria are prokaryotes. Choose one answer. a. True because prokaryotes are the simplest cell form. Pr eit b. True because all eukaryotes are multicellular. c. False because some eukaryotes, including protista, are single-
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This note was uploaded on 10/29/2011 for the course BIO 1009 taught by Professor Shanshan during the Spring '11 term at University of Minnesota Duluth.

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Test 1 bio - Inside a living cell which type of bond would be the most stable Choose one answer a hydrogen b ionic c covalent d polar e all bonds

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