DNA & Proteins Flashcards
DNA takes on which structure?
double helix
How many chromosomes do humans have? How many pairs would it be?
46 chromosomes, 23 pairs
list the things found in DNA
sugars, phosphate groups, nitrogen bases
List the four nitrogen bases
A, T, G, C
what are nitrogen bases for?
they’re coding information for the building blocks of DNA
what are chromosomes made up from?
protein
where can chromosomes be found?
nucleus
why is DNA important?
it’s the hereditary blueprint for all biological traits and processes
What do you call a section of DNA? What does it do?
a gene. It provides the assembly codes for making a given protein.
what determines a proteins structure?
the differences in the genetic code
list some roles that proteins fulfill in the body
hormones, antibodies, enzymes, hemoglobin
how many proteins are there in the body?
30 000 to 50 000
what are the three ways that character traits can manifest themselves
physical, psychological and physiological