Type of Bond when atoms lose or gain electrons (transferred) to become stable with filled outer shells
Ionic Bond
Active Mechanisms of movement of materials across the membrane do not require cellular energy. T or F?
False
Stage of Mitosis that results in the spindle fibers contracting and are pulling the sister chromatids apart toward opposite centrioles.
Anaphase
Which of the following is an organic base?
C. Cytosine
The site where ribosomes assemble prior to their migration into the cytoplasm.
Nucleolus
The heart is in which cavity?
Thoracic
Homeostasis is regulated through control systems which consists of ____?
Effectors
Groups of similar cells functioning together
Tissues
The # of protons
Atomic #
Stage of mitosis that the nuclear membrane fragments and disappears and duplicated chromatins are visible as chromosomes.
Prophase
Diffusion in which materials move from an area of greater concentration across a selectively permeable membrane to an area of lower concentration.
Facilitated Diffusion
Ionic bonds are formed when atoms share electrons to become more stable. T or F?
True
An example of an inorganic compound is ____?
Water
Building blocks of proteins
Amino Acids
Form of cell death that is a normal part of development
Apoptosis
# of protons and neutrons
Atomic weight
chemical energy for cellular work
ATP
Ability to lify a volume of water
Osmotic pressure
Nucleic acid that forms genes
DNA
Substance that releases detectable hydrogen ions in water
Acid
Means situated towards the front
Anterior
Membranes within cavities are called viscera
False
Maintenance of a relatively stable internal environment
Homeostasis
What are the major stages of mitosis?
-Prophase
-Metaphase
-Anaphase
-Telophase
Movement through a membrane as a result of hydrostatic pressure
Filtration
The scientific study of structure or form
Anatomy
Scientific study of function
Phsiology
basic chemical particles which contribute to the human body
Atoms
basic living unit of humans and other living organisms
cells
type of tisue that forms a covering or a lining
epithelial
type of tissue that binds structures, provides support and protection, serves as framework, fill spaces, store fat, roduce blood cells, protect against infection and help repair tissue damage
Connective
Muscular tissue
possess the ability to contract to do work for the body
Nerous tissue
function to transmit nerve impulses to coordinate and integrate body functions
energy produced during chemical reactions
chemical energy
energy produced by electrically-charged substances
Electrical energy
kinetic energy (energy in motion)
Mechanical energy
energy produced by the sun
Radiant energy
fundamental composition of matter
Elements
has a positive charge and is contained within the nucleus
protons
has no charge and is contained within the nucleus
Neutrons
has a negative charge and orbits within the energy shells
Electrons
central portion of the atom that has a positive charge
Nucleus
orbits surrounding the nucleus
Energy shells
energy shell that can hold a maximum of two electrons
First energy shell
If the first shell in not complete the atom will be _____
reactive
two or more different atoms that chemically combine
Compounds
compounds that do not possess both carbon and hydrogen or either