Chemistry and Life
A bond between metal and non-metal
Ionic Bond
Lipids, Carbohydrates, Nucleic Acids, Proteins
What is a macromolecule?
The enzyme responsible for laying down nucleotides on the new strand
What is DNA polymerase?
DNA replication occurs in this stage
What is the S stage?
Simple cells, lack organelles
What is a bacterial cell?
A positive sub-particle in the atom
What is a proton?
Ribose Sugar, Phosphate, single stranded
What is RNA
Prevents supercoiling of DNA
What is topoisomerase?
Crossing over
What is Prophase I of meiosis?
Make ribosomal RNA
What is a nucleolus?
A negative sub-particle residing in shells around the atom
What is an electron?
A link between two nucleotides to make a single stranded DNA
Phosphodiester bond
Created only on the lagging strand
What are Okazaki fragments?
What is meiosis II?
A selectively permeable membrane.
What is the plasma membrane?
Used for Radiation (X-rays)
What is an isotope?
What is a peptide bond?
RNA sequences to start the process of DNA replication
What is a primer?
Connect to centromeres to separate chromosomes and sister chromatids.
What are spindle fibers?
a process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.
What is exocytosis?
A bond created between water molecules
What is a Hydrogen Bond?
A pentose sugar lacking Oxygen on the 2' carbon.
Deoxyribose sugar
The replicated two strands consist of one old strand and one new strand
Discarded during oogenesis
What is a polar body?
specialized cell structures that act as barriers between cells, preventing the leakage of fluids
What are tight junction?