Bio 172 Exam 1 Quizzes Questions And Answers Latest Update
Bio 172 Exam 1 Quizzes Questions And
Answers Latest Update
Which of the following is not considered to be alive? - ✔✔✔-Mitochondrion
Chordata are most closely related to - ✔✔✔-echinodermata
Regarding the tree of life, which of the following statements is correct? - ✔✔✔-
archaea are more closely related to eukarya than to bacteria
Chemical bonds where electrons are shared equally are called - ✔✔✔-non polar
covalent bonds
Elemental isotopes result from - ✔✔✔-a change in the number of neutrons
When one of the atoms involved in a covalent bond has a higher electronegativity
than the other atom, what is possible about the molecule? - ✔✔✔-the molecule will
be able to make hydrogen bonds
Which answer is false concerning valence electrons - ✔✔✔-they are in the lowest
energy state
Which of the following is not a domain of life? - ✔✔✔-prokaryote
Why are rrna sequences good for studying probable evolutionary relationships of
all life on the planet? - ✔✔✔-all organisms on the planet have rrna
What contributes to cell theory? - ✔✔✔-all cells contain DNA, share similar
metabolic strategies, come from pre-existing cells, and are the smallest entities
that have all the properties of life
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, Bio 172 Exam 1 Quizzes Questions And Answers Latest Update
What is the most abundant element in human cells? - ✔✔✔-carbon
What is true concerning a property of water? - ✔✔✔-water has a high specific heat
index therefore water can absorb a great deal of heat resulting in only a small
change in temperature
Hydrogen bonds can be formed in each of the following situations except: - ✔✔✔-
between cholesterol and a hydrocarbon chain in an animal membrane
Hydrogen bonds can be formed in each of the following situations - ✔✔✔--between
nitrogenous bases in a double stranded DNA molecule
-between water and ammonia (NH3)
-between 2 amino acids in an alpha-helix
-between 2 protein subunits interacting in a quaternary structure
What domain do fungi belong to in the universal tree of life? - ✔✔✔-eukarya
The tree of life is based on a phylogenetic analysis of - ✔✔✔-small subunit
ribosomal RNA
An acidic solution has a ___ concentration of protons and a ___ concentration of
hydroxide ions - ✔✔✔-high, low
You are given 2 chemical bonds to examine, a C-H bond and a C-O bond. Which of
the following is true? - ✔✔✔-the C-H bonds have more potential energy than C-O
bonds
High solubility of alcohol in water is due to the formation of - ✔✔✔-hydrogen
bonds; hydroxyl group in ethanol allows hydrogen and oxygen atoms in ethanol
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Bio 172 Exam 1 Quizzes Questions And
Answers Latest Update
Which of the following is not considered to be alive? - ✔✔✔-Mitochondrion
Chordata are most closely related to - ✔✔✔-echinodermata
Regarding the tree of life, which of the following statements is correct? - ✔✔✔-
archaea are more closely related to eukarya than to bacteria
Chemical bonds where electrons are shared equally are called - ✔✔✔-non polar
covalent bonds
Elemental isotopes result from - ✔✔✔-a change in the number of neutrons
When one of the atoms involved in a covalent bond has a higher electronegativity
than the other atom, what is possible about the molecule? - ✔✔✔-the molecule will
be able to make hydrogen bonds
Which answer is false concerning valence electrons - ✔✔✔-they are in the lowest
energy state
Which of the following is not a domain of life? - ✔✔✔-prokaryote
Why are rrna sequences good for studying probable evolutionary relationships of
all life on the planet? - ✔✔✔-all organisms on the planet have rrna
What contributes to cell theory? - ✔✔✔-all cells contain DNA, share similar
metabolic strategies, come from pre-existing cells, and are the smallest entities
that have all the properties of life
©®™ Page 1
, Bio 172 Exam 1 Quizzes Questions And Answers Latest Update
What is the most abundant element in human cells? - ✔✔✔-carbon
What is true concerning a property of water? - ✔✔✔-water has a high specific heat
index therefore water can absorb a great deal of heat resulting in only a small
change in temperature
Hydrogen bonds can be formed in each of the following situations except: - ✔✔✔-
between cholesterol and a hydrocarbon chain in an animal membrane
Hydrogen bonds can be formed in each of the following situations - ✔✔✔--between
nitrogenous bases in a double stranded DNA molecule
-between water and ammonia (NH3)
-between 2 amino acids in an alpha-helix
-between 2 protein subunits interacting in a quaternary structure
What domain do fungi belong to in the universal tree of life? - ✔✔✔-eukarya
The tree of life is based on a phylogenetic analysis of - ✔✔✔-small subunit
ribosomal RNA
An acidic solution has a ___ concentration of protons and a ___ concentration of
hydroxide ions - ✔✔✔-high, low
You are given 2 chemical bonds to examine, a C-H bond and a C-O bond. Which of
the following is true? - ✔✔✔-the C-H bonds have more potential energy than C-O
bonds
High solubility of alcohol in water is due to the formation of - ✔✔✔-hydrogen
bonds; hydroxyl group in ethanol allows hydrogen and oxygen atoms in ethanol
©®™ Page 2