chapter 1
What are the 3 domains of life?
bacteria, arches, eukarya
what is the outer most shell of an element called?
valence shell
4 types of organic molecules cells make up
carbs, lipids, proteins, nucleic acid
which domains of life are prokaryotes?
bacteria and archaea
what is the emergent property?
the sum of what came before it
What must be true about a hypothesis
It must be testable
which type of bond occurs when electrons are shared?
covalent bond
what is the difference between dehydration synthesis and hydrolysis?
dehydration synthesis joins shorter molecules and releases water whereas hydrolysis adds water to breakdown a molecule
what are ribosomes?
machines that carry out the commands made by the nucleus
how is the atomic number calculated?
What is the only single celled eukarya?
protists
what is adhesion?
molecules stick to other types of molecules
what are hydrocarbons chains called?
fatty acid chains
what is attached to the rough ER?
ribosomes
what are the 3 junctions in animal cells?
tight, anchor, and cap junctions
name at least one theme of bio
evolution, the flow of information, structure and function are related, transfer and transformation of energy and matter, life depends on interactions within and between systems
what are covalent bonded atoms called?
molecules
what are the 4 protein structures?
primary, secondary, tertiary, quaternary
what is a phospholipid bilayer made of?
hydrophilic heads and hydrophobic tails
what does the central vacuole do?
holds water in plant cells
name all 7 properties of life
reproduction, evolution, order, regulation, development, energy processing, response to environment
what is the difference between saturated and unsaturated fats?
saturated fats are solid at room temperature and unsaturated fats are liquid, and have one or more double bonds
what is the nitrogenous base of DNA and RNA?
C, G, A, T
what are the 2 internal compartments of mitochondria?
inter membrane space and mitochondria matrix
how many electrons does tess have?
4