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BIO 156 | 147 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT | UPDATED 2025
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BIO 156 | 147 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT | UPDATED 2025
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BIO 156 | 147 QUESTIONS AND ANSWERSWITH COMPLETE SOLUTIONS 100%
CORRECT | UPDATED 2025
. ________ spin in orbits outside the nucleus of an atom - ANSWER electrons
Phosphorous had an atomic number of 15 and an atomic mass of 31. How many
neutrons does phosphorous have? - ANSWER 16
.The number of _______ determine which element an atom is - ANSWER
protons
Isotopes of an atom have a different number of____________. - ANSWER
neutrons
The mass of an atom is the due to - ANSWER sum of protons and neutrons
The bonds in a molecule of water are - ANSWER polar covalent
•Atom "A" 6 protons, 5 neutrons, 6 electrons
•Atom "B" 6 protons, 5 neutrons, 7 electrons - ANSWER B
In which type of bond are electrons shared equally by 2 atoms? - ANSWER
nonpolar covalent
,How many carbon atoms are in this molecule?
C6H12O6 - ANSWER 6
The bonds in a molecule of water are - ANSWER polar covalent
Which of the following pH levels is the most acidic? - ANSWER pH 2
Which of the following is not a quality of water ? - ANSWER is an organic
compound
How many carbon atoms are in this molecule?
C6H12O6 - ANSWER 6
All organic molecules have: - ANSWER carbon atoms and covalent bonds
Which type of carbohydrate cannot be digested by humans? - ANSWER
cellulose
Which part of an amino acid acid is the amino group? - ANSWER NH2
Which chemical element is found in proteins but NOT in carbohydrates or lipids? -
ANSWER nitrogen
, Which of the following is correct about peptide bonds? - ANSWER Covalent
bonds between amino acids.
_____________ are the monomers used to make proteins. - ANSWER amino
acids
Humans store most of their extra calories as: - ANSWER triglycerides
Plants are made up of what type of cells? - ANSWER Eukaryotic
Which of the following is NOT a cell? - ANSWER virus
All organic molecules have: - ANSWER carbon atoms and covalent bonds
Which part of an amino acid acid is the amino group? - ANSWER NH2
Which chemical element is found in proteins but NOT in carbohydrates or lipids? -
ANSWER nitrogen
Which example is an acclimatization as a response to the external environment? -
ANSWER Living on a mountain top for months produces higher levels of red
blood cells.
The mass of an atom is the due to - ANSWER sum of protons and neutrons
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