Multiple Choice
NASA has published a list of criteria for identifying fossil bacteria in samples from Mars, as part of a search for evidence of life.Which of the following is good evidence for the presence of bacterial cells?
A) Three-dimensional organization of cells in a starburst pattern
B) No evidence of water in the surrounding mineral
C) Cell size of 0.5 to 2 microns
D) Absence of carbon in the material
Correct Answer:
Verified
Correct Answer:
Verified
Q33: What is the maximum number of electrons
Q36: Nucleic acids have primary, secondary, tertiary, and
Q45: Which of the following statements is incorrect
Q48: All of the following pertain to the
Q49: ATP differs from the nucleotides found in
Q51: The lipid group that is the major
Q52: ATP is best described as<br>A)a double helix.<br>B)the
Q54: A reaction where an electron is lost
Q55: Cations are<br>A)atoms without protons.<br>B)charged subatomic particles.<br>C)atoms that
Q60: The concentration of a solution expresses the