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ASU BIO 181 Exam 1 all questions solved 100 accurately latest version
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ASU BIO 181 Exam 1 all questions solved 100 accurately latest version
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ASU BIO 181 Exam 1 Questions & AnswersWhich six elements are most important for the survival of life? - CORRECT
ANSWER-H, C, N, O, P, S
The shared biochemistry of all life is often considered evidence for: - CORRECT
ANSWER-Shared common descent of all life on earth.
Water has which property or properties? - CORRECT ANSWER-Hydrophilic
Forms hydrogen bonds
Ocean acidification is resulting due to - CORRECT ANSWER-Global release of
CO2 through the use of fossil fuels
Which other element (besides Carbon) is often suggested as having potential for
life - CORRECT ANSWER-Silicon
Which kind of organic compound is pictured? - CORRECT ANSWER-Amino acid
What kind of molecule is pictured? - CORRECT ANSWER-RNA
Which kind of organic compound is pictured? - CORRECT
ANSWER-phospholipid
All things being equal which fatty acid will have a lower melting point? -
CORRECT ANSWER-Short-chain fatty acid
What kind of molecule is pictured? - CORRECT ANSWER-polypeptide
Saturated or unsaturated fat? - CORRECT ANSWER-saturated(top)
Which type of molecular interaction is strongest? - CORRECT
ANSWER-Covalent bond
Water is a... - CORRECT ANSWER-polar molecule
A low pH is typical of - CORRECT ANSWER-acids
, What element is called the 'backbone of life'? - CORRECT ANSWER-carbon
DNA or RNA? - CORRECT ANSWER-DNA
This amino acid is capable of forming disulfide bridges - CORRECT
ANSWER-Cysteine
Name this compound... - CORRECT ANSWER-Cholesterol
Exothermic or Endothermic? - CORRECT ANSWER-exothermic
Which level of protein structure? - CORRECT ANSWER-Quaternary
The name of a conceptual model for enzyme action - CORRECT ANSWER-Lock
and Key, Induced Fit
Which level of protein structure is shown in the picture below? - CORRECT
ANSWER-Primary
Which level of protein structure is shown in the picture below for the two
proteins? - CORRECT ANSWER-tertiary
Would the subsitution (due to a mutation) of alanine (hydrophobic amino acid) for
serine (a polar and hydrophobic amino acid) have a large or small effect on the
structure of a protein? - CORRECT ANSWER-Yes, likely a large effect. The
substitution of two chemically very different amino acids could have a large effect
on protein structure.
What type of chemical bond is important for stabilizing alpha-helix or Beta-sheets
between backbone atoms of amino acids in close proximity to one another? -
CORRECT ANSWER-Hydrogen bonds
If a protein is subject to changes in temperature, pH, or exposure to chemicals
this may result in: - CORRECT ANSWER-Denaturation
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