Evolution
_______ _______ occurs when there is variation in the population which is heritable and makes some variants more likely to survive.
Natural Selection
An atom with 7 protons, 7 electrons, and 8 neutrons has an atomic mass of...
15
The bond between a hydrogen and an oxygen of different water molecules
Hydrogen bond
Which kind of macromolecule encodes and transmits genetic information?
Nucleic Acids
What is the process of building polymers called?
Dehydration synthesis or condesation
The ultimate source of genetic variation
Mutation
If an atom loses two electrons, the net charge is...
+2
______ bonds donate/accept electrons.
Ionic
Which Van der Wall Force is stronger: A long hydrocarbon tail or a small hydrocarbon tail?
Long (the longer the tail, the stronger the Van der Waal)
What does ATP stand for?
Adenosine Triphosphate
Name of the tree-looking chart that shows the divergence from common ancestors
Phylogenetic tree
How many valence electrons does the first orbital hold?
2
_______ ______ bonds come when atoms share electrons unequally.
Polar covalent
Amino acids are joined together by a covalent bond called a _______ bond.
Peptide
Identify each of the three domains of life as a prokaryote or a eukaryote
Archaea & Bacteria = Prokaryotes
Eukarya = Eukaryote
A method using the principles of evolution to produce different dog breeds
Artificial selection
Where are protons, neutrons, and electrons all located in an atom?
Protons and neutrons in the nucleus, electrons outside the nucleus
Stability of an atom comes when the outermost shell is ______
full
Which nitrogenous bases are pyrimidines?
Cytosine and Thymine
If an element has a charge of -1 and 11 protons, how many valence electrons does it have?
2
The three domains of life
If an atom has 14 electrons, how many valence electrons are in the outermost orbital?
4
Do electrons hang out with the oxygen or the hydrogen in a water molecule?
Oxygen (partially negative)
What kind of bond connects the 3 fatty acid tails to the glycerol in a triacylglycerol?
Ester linkage
Which functional group is represented [SH]
Sulfhydryl