Bio 181 Exam 1 Shaffer complete questions
with reviewed correct solutions.100% correct
Ionic Bonds - answer ✔✔-What type of molecular interaction is the strongest (of those listed)?
Covalent - answer ✔✔-Ionic or Covalent Bond?
ionic - answer ✔✔-Ionic or Covalent Bond?
5,730 years old - answer ✔✔-A sample of fabric from a cave in Nepal is tested for its Carbon isotope
ratios. It is found that only 50% is carbon 14. How old would that date the sample to be?
C-14 is not the appropriate isotope for such ancient fossils - answer ✔✔-A sample of fossilized T-Rex
bone is shown to have 0% carbon 14. How old would that make the sample?
Calcium (Ca) - answer ✔✔-Which element would you expect radium (Ra) to imitate in our bodies upon
exposure?
Nitrogen deficiency - answer ✔✔-What kind of nutrient deficiency would you diagnose for the plant
below?
-In the Gulf of Mexico where the Mississippi River meets the ocean
-Many major river systems world-wide - answer ✔✔-Where do we see a 'dead zone' each year as a
result of cultural eutrophication?
B. H, C, N, O, P, S - answer ✔✔-What are the 'big six' elements that are most important for life on earth?
20 - answer ✔✔-How many amino acids is all of life built upon?
, 30% - answer ✔✔-You sequence a strand of DNA and find that 30% of the nucleotides are Thymine.
What percentage will be Adenine?
20% - answer ✔✔-You sequence a strand of DNA and find that 30% of the nucleotides are Thymine.
What percentage will be Guanine?
B hexagons linked together - answer ✔✔-Which is more readily digestible?
Longer and saturated - answer ✔✔-Which type of fatty acid will likely have the higher melting point?
Thalidomide occurs in two stereoisomer forms, one of which causes birth defects. - answer ✔✔-Which
kind of problem led to the tragic injury to infants whose mothers took Thalidomide during their
pregnancies?
Prescribed as a sedative for morning sickness, thalidomide caused ~10,000 cases of phocomelia, with
about 5,000 infants surviving. - answer ✔✔-the cautionary tale of thalidomide:
Shorter and unsaturated - answer ✔✔-Which type of fatty acid will likely have the lowest melting point?
A. Micelle
B. Bilayer membrane
C. Liposome
---------------> D. All of the above - answer ✔✔-Which structures can phospholipids form in the presence
of water?
Oxidation - answer ✔✔-Which kind of reaction results in the loss of an electron?
anaerobic - answer ✔✔-Glycolysis is
with reviewed correct solutions.100% correct
Ionic Bonds - answer ✔✔-What type of molecular interaction is the strongest (of those listed)?
Covalent - answer ✔✔-Ionic or Covalent Bond?
ionic - answer ✔✔-Ionic or Covalent Bond?
5,730 years old - answer ✔✔-A sample of fabric from a cave in Nepal is tested for its Carbon isotope
ratios. It is found that only 50% is carbon 14. How old would that date the sample to be?
C-14 is not the appropriate isotope for such ancient fossils - answer ✔✔-A sample of fossilized T-Rex
bone is shown to have 0% carbon 14. How old would that make the sample?
Calcium (Ca) - answer ✔✔-Which element would you expect radium (Ra) to imitate in our bodies upon
exposure?
Nitrogen deficiency - answer ✔✔-What kind of nutrient deficiency would you diagnose for the plant
below?
-In the Gulf of Mexico where the Mississippi River meets the ocean
-Many major river systems world-wide - answer ✔✔-Where do we see a 'dead zone' each year as a
result of cultural eutrophication?
B. H, C, N, O, P, S - answer ✔✔-What are the 'big six' elements that are most important for life on earth?
20 - answer ✔✔-How many amino acids is all of life built upon?
, 30% - answer ✔✔-You sequence a strand of DNA and find that 30% of the nucleotides are Thymine.
What percentage will be Adenine?
20% - answer ✔✔-You sequence a strand of DNA and find that 30% of the nucleotides are Thymine.
What percentage will be Guanine?
B hexagons linked together - answer ✔✔-Which is more readily digestible?
Longer and saturated - answer ✔✔-Which type of fatty acid will likely have the higher melting point?
Thalidomide occurs in two stereoisomer forms, one of which causes birth defects. - answer ✔✔-Which
kind of problem led to the tragic injury to infants whose mothers took Thalidomide during their
pregnancies?
Prescribed as a sedative for morning sickness, thalidomide caused ~10,000 cases of phocomelia, with
about 5,000 infants surviving. - answer ✔✔-the cautionary tale of thalidomide:
Shorter and unsaturated - answer ✔✔-Which type of fatty acid will likely have the lowest melting point?
A. Micelle
B. Bilayer membrane
C. Liposome
---------------> D. All of the above - answer ✔✔-Which structures can phospholipids form in the presence
of water?
Oxidation - answer ✔✔-Which kind of reaction results in the loss of an electron?
anaerobic - answer ✔✔-Glycolysis is
