Biochemistry
Which type of bond is the strongest when it comes to working in organic environments?
Covalent Bonds
The secondary Structure of proteins is determined by?
hydrogen bonds
Based on an atomic number of 15 it can be assumed that phosphorous has how many neutrons?
15
What cell membrane houses the genetic information required to pass on genetic traits?
Nucleus
RNA contains what nucleotide not found in DNA
Uracil
What bond holds nucleotides together?
Phosphodiester Bonds
Combinations of alpha-helices and beta-pleated sheets make up which level of protein structure?
Secondary
Bonds between two atoms with similar electronegativities can be classified as
nonpolar covalent
What is the main function of the cell's plasma membrane?
To be a selective barrier that regulates the passage of molecules in and out
Peptide bonds are to proteins as what bonds are to nucleotides
Phospodiester
What bonds exist between the hydrogens and oxygen of one water molecule? What bonds exist between multiple water molecules that are bonded together?
Polar covalent; Hydrogen
If you disrupt all hydrogen bonds in a protein structure which level of protein structure will be preserved?
Primary
In water, hydrogen molecules are bonded to oxygen atoms by this bond
Polar Covalent
Cells require what to form cilia or flagella
tubulin
What bond holds the nitrogenous bases of two opposing DNA strands together?
Hydrogen Bonds
What types of systems are used to maintain healthy Ph in living organisms?
Buffer Systems
Leucine and valine are two R groups that do not interact with water. They can therefore be categorized as
Nonpolar
If you change the number of neutrons in an atom you produce an
Isotope
Ions can travel from the cytoplasm of one animal cell to the cytoplasm of another animal cell through what
Gap Junctions
In DNA one strand runs from 5' to 3' and its complementary strand runs from 3' to 5', this is also known as _____ structure
antiparallel
This special property of water allows organisms to maintain a nearly constant body temperature
High heat Capacity
During the formation of a peptide linkage, a(n) ____ is formed
Molecule of Water
What 4 elements makeup approx. 96% of all living organisms?
Carbon, Hydrogen, Nitrogen, Oxygen
What component of eukaryotic cells do not have a double membrane
Ribosomes
What are all of the components of a nucleotide
a nitrogenous base, 5 carbon sugar, phosphate molocule