New Science Flashcards
Inherited Physical Characteristics are called?
Traits
Small Section of DNA that control the traits of an organism are called?
genes
The molecule carrying the chemical code that tells what to do is called?
DNA
The passing of traits from parents to offspring is called?
heredity
The shape of the DNA molecule was discovered by
James Watson and Francis Crick
The DNA molecule is something called a____ because it is shaped like a twisted spiral ladder
double helix
DNA rungs are formed four molecule called?
bases
consists of the brain and spinal cord; makes decisions and controls the body’s actions
central nervous system
consists of neurons all over the body; communicates about what goes on in and around the body
peripheral nervous system
the main pathway of information that connects the brain to the rest of the body
spinal cord
a nerve cell
neuron
the gap between neurons over which impulses cross
synapse
receives the electrical impulse from another neuron
dendrite
sends the electrical impulse on to the next neuron
axon
The largest part of the brain is the
Cerebrum