Cytology Flashcards
How many chromosomes does. Humans somatic cells have
46
How many chromosomes in a humans sex cells
23
How many chromosomes does a dogs comatic cells have
78
Chromosomes in a rabbits somatic cells
44
Chromosomes in a mouses somatic cells
40
What is the genetic material found in chromosomes call? Give short version as well
Deoxyribonucleic acid, or DNA
What 3 things are found in all living things
Sugar,phosphate, and nitrogen
What is the only molecule in the world capable of duplicating itself
DNA
How many nitrogen bases are there
4
How many base pairs and genes are found on your chromosomes
3 million base pairs and 100,000 genes
How can a protein be changed
By altering the amino acids
2 types of nucleic acids
Ribonucleic acid (RNA) and DNA
What are the functions of RNA
RNA acts as a messanger that carries information from DNA to the nucleus to organeless im the cytoplasm
What is the function of nucleic acids
They hold hereditary materials
Name 15 amino acids
Valine (val), tyrosine (tyr), tryptophan (try), threonine (thr), serine (ser), proline (pro), phenylalanide (phe), methionine (met), lysine (lys), leucine (leu), histidine (his), glycine (gly), glutamic acid (GluA), cysteine (cys), asparatic acic (AsA)
What are genes
Genes are the units of hereditary in the chromosome
Is the dna of anyone the same
What are mutations
What are chromosomes and where are they found
How many diferent amino acids are there
How can proteins be formed
What is the basic unit of nucleic acid, what are these composed of
Who wwre the first scientists to discover DNA?
Name the 4 nitrogen bases
When was the model of dna comfirmed
If you uncoiled your dna how far would it stretch
What are the complimentary pairs
What are two notrogen pairs
