Body Chemistry
The smallest parts of an element that have the same characteristics of the element
atoms
This type of reaction occurs when 2 or more substances combine to form a compound
synthesis reaction
DNA makes up the _____________ of the cell
chromosomes
The smallest living units of structure and function
cells
This organ system interprets sensory information and responds by using electrochemical impulses.
The nervous system
What two things are found in the nucleus of the atom
protons and neutrons
What is ATP used for
energy in cell processes, such as mitosis, protein synthesis, and muscle contraction
DNA and RNA have smaller subunits that make them up, what are these subunits called
nucleotides
This reflects the ability of the body to maintain relative stability and to function normally despite constant changes
homeostasis
Give an example of an organ that we would find in the urinary system
bladder, kidneys, urethra
Do molecules typically have the same characteristics of the atoms that make them up?
No
What is the process that we need oxygen for in order to break down simple nutrients in order to release energy
cellular respiration
What makes up the upright parts of the DNA "ladder"
alternating phosphate and sugar molecules
This is the study of disorders of functioning as compared to normal physiology
Pathophsiology
The cavity that contains your lungs
thoracic cavity
This type of bond is formed when one atom loses an electron and the other one gains an electron, then the opposite charges hold the two atoms together in a weak bond
ionic bond
What two things do your cells need to carry out cellular respiration
glucose and oxygen
The sequence for bases for one protein is called a _________. They are made up of DNA and act as instructions to make molecules called proteins
gene.
This is the feedback that the body uses that actually amplifies the original stimulus. This is what is used in childbirth
positive feedback
This is a descriptive area for the neck
cervical
Which element always forms covalent bonds with other elements?
Carbon
What are the four products of cellular respiration?
carbon dioxide
water
ATP
heat
Name 2 differences between DNA and RNA
RNA has one strand and DNA has two
RNA has uracil instead of thymine
RNA carries its processes out in the cytoplasm and DNA carries its processes out in the nucleus
These are complex chemicals and always contain carbon and hydrogen
Organic chemicals
In terms of direction, the shoulders are said to be what in relation to the neck
lateral