what is another word for balance within an organism
homeostasis
atomic mass equals ____ + ____
protons plus neutrons
Which organelle protects the cells DNA
nucleus
a matrix is composed of what?
protein fibers and ground substance
blood is what type of tissue?
connective
List the three main domains and the one humans belong to.
bacteria, archaea, and eukarya (humans)
List the charges of each subatomic particle
proton = positive, neutrons = neutral, and electrons = negative
ribosomes can be found where in the cell (2)
rough er and cytoplasm
list the 4 basic tissue types
muscle, nervous, connective, and epithelium
which body systems produces hormones
endocrine system
put these levels in order from simple to most complex
(ecosystem, population, biosphere, community)
population, community, ecosystem, biosphere
Define each of the 3 main chemical bonds
Electrons between atoms are shared = Covalent Bonds
electrons are transferred = Ionic Bonds
molecules are held together by hydrogen = Hydrogen Bonds
list the steps of cellular respiration and where they take place
glycolysis - cytoplasm, krebs - mitochondria, ETC - mitochondria
ligaments connect ____ to ___
bone to bone
Electrons in nonpolar covalent bonds orbit both atoms ____ while in polar covalent bonds electrons are shared ____
equally, unequally
the basic functional unit of life is called ____ and the building blocks of matter are called ____
cell, atoms
List all 4 major polysaccharides
starch, glycogen, cellulose, chitin
function of the golgi apparatus
processes proteins adding sugar tags and then sorts and ships them to their locations
list the 3 specific types of muscle tissue AND whether they are involuntary or voluntary.
skeletal - voluntary, smooth = involuntary, cardiac = involuntary
list 3 functions of the smooth ER
makes lipids, builds vesicles, hormone manufacture, detoxifies cells
list all 6 criteria of living things
highly organized, acquire materials and energy, respond to stimuli, grow and reproduce, have evolutionary history
list each molecule of life AND their proper subunit
monosachharides-carbohydrates
components of a triglyceride (fatty acid)-lipids
amino acids-proteins
nucleotides-nucleic acids
list all 4 components of the plasma membranes structure
phospholipid bilayer, channel proteins, glycocalyx, cholesterol
Name the basic tissue type AND specific tissue type
connective, adipose
List the functions of each basic tissue type
to connect and support the body-connective
to move the body-muscle
to communicate information-nervous
to protect the body-epithelium