Complete Solutions
"transforming principle" Correct Answers suggesting that
bacteria could transfer information from one to another
first suggestion of DNA at heritable material
%A = Correct Answers %T
%G = Correct Answers %C
A human cell can copy its 6 BILLION base pairs and divide into
daughter cells in Correct Answers only a few hours.
A-T base pair has __ hydrogen bonds Correct Answers 2
Antonie van Leeuwenhoek observed... Correct Answers sperm
for the first time ‐ "all manner of great and small vessels, so
various and so numerous that I do not doubt that they be nerves,
arteries and veins.."
Atoms in nucleic acids: Correct Answers C, H, O, N, and P
Atoms of carbohydrates: Correct Answers C, H, and O
Atoms that make up lipids: Correct Answers C, H, O, and P
Atoms that make up proteins: Correct Answers C, H, O, N, and
S
,Bases are held together by... Correct Answers hydrogen bonds
Bases are not Correct Answers Co-planar
Bases linked by _______ between oxygen and nitrogen atoms
Correct Answers hydrogen bonds
Bases point Correct Answers inward, perpendicular to the
helical axis
Basic recombinant DNA technology revolves around... Correct
Answers DNA making protein
Because of base pairing, shift in backbone structure as well
results in... Correct Answers twisting of DNA
Building DNA: Piece 1: Correct Answers Tetranucleotide
Hyphothesis
Building DNA: Piece 2: Correct Answers DNA is the molecule
of heredity
Building DNA: Piece 3: Correct Answers Base positions
Building DNA: Piece 4: Correct Answers %G = %C and %A =
%T
Molecular Diversity
Carbohydrates basic unit: Correct Answers Sugar
, Carbohydrates provide... Correct Answers energy and support
to the cell
Cell Division Correct Answers process where a parental cell
divides into two or more daughter cells
Changes at the DNA level of a coding protein can affect...
Correct Answers how the protein is produced or how it works.
Changing protein expression levels, whether the protein is "on"
or "off" can also influence... Correct Answers biological
processes just as effectively.
Chargaff's Rules Correct Answers 1. In natural DNA, the
number of guanine units equals the number of cytosine units and
the number of adenine units equals the number of thymine units.
2. The composition of DNA varies from one species to another,
in particular in relative amounts of individual bases.
Conservative Model Correct Answers both parental strands
stay together after DNA replication and the daughter molecules
contain all new nucleotides
Consume = Correct Answers eating; changing nourishment
into metabolites
Darwin vs. Lamarck Correct Answers Darwin: Organisms,
even of the same species, are all different and that those which
happen to have variations that help them to survive in their
environments survive and have more offspring.