Biology Flashcards
The least inclusive system of hierarchic classification is
Class
A statement developed after observing an event is called what.
Hypothesis
How are molecules of water bonded?
Covalent bond
What are the benefits of intermolecular hydrogen bonding of water?
Relatively high specific heat value, strong cohesive and adhesive properties, polarity allowing it to act as a versatile solvent
What are considered to be the most important molecules of biology?
Carbohydrates, lipids, protein, nucleic acid
Fatty acids, phospholipids, steroids are all classified as?
Lipids
Two categories of fatty acids
sat and unsat
how do phospholipids function in a cell?
They are integral components of the plasma membrane
Which molecules are considered the most significant contributor to cellular function?
proteins
Proteins are polymers of what?
Amino Acids
Which type of proteins catalyze reactions and processes?
Enzymes
Biologic molecules of inheritance are known as?
Nucleic acids
The sum of all chemical reactions that occur in an organism?
Metabolism
Reactions take place in a cell in a series called
Metabolic pathways
What are the fundamental units of biology?
Cells
Which type of cell contains no defined nucleus
Prokaryotic cells
what is the primary purpose of the flagella on the surface of cells
movement of the cells
which cell organelles function to transport materials from the endoplasmic reticulum throughout the cell
Golgi apparatus
which organelles produce cell energy?
Mitochondrion and chloroplast
Component of the cell that contributes to the protection, communication and passage of substances into and out of the cell
cell membrane
the bilayer of phospholipids of the cell membrane make it
selectively permeable
Which RNA base is inserted complementary to the DNA base thymine?
Adenine
What process uses an RNA strand to produce a complementary strand of DNA?
Transcription
Hereditary disorders can be studied using a persons
Pedigree
