|
what is insertion mutation? |
one nucleotide is added to a gene or a DNA sequence |
|
what is substitution mutation? |
one nucleotide takes place of another |
|
what is deletion mutation? |
one nucleotide is taken away from a gene or DNA sequence |
|
how many different kinds of bases can be found on DNA? |
4 |
|
what base is found on RNA but not DNA? |
uracil |
|
how many bases are in a codon? |
3 |
|
how many bases are in an anticodon? |
10 |
|
how many amino acids are attached to a single transfer RNA? |
20 |
|
transcription occurs in the_______? |
nucleus |
|
translation occurs in the_________? |
cytoplasm |
|
the process of making RNA from DNA is called_____________ and it occurs in the___________? |
transcription and it occurs in the nucleus |
|
the process of assembling a protein from RNA is called_________ and it occurs in the_____________? |
translation and it occurss in the cytoplasm |
|
describe two ways in which RNA differs from DNA. |
RNA is a single strand, DNA is a double helix and RNA has uracil instead of thymine |
|
why is the nucleus called the cotrol center of the cell? |
because it controls the chromosomes which controls tge organelles |
|
what is a gene? |
in the nucleus |
|
DNA can be found in what organelles? |
mitochondria and chloroplast |
|
what two scientist established the structure of DNA? |
James Watson and Francis Crick |
|
replication is called ssemi conservative because half of the original strand is? |
conserve |
|
what are sides of the DNA ladder made of? |
alternating sugar and phosphate molleculles |
|
what three parts make up a single nucleotide? |
single base, deoxyribose sugars and phosphate |
|
what are the 4 bases that make up the rungs of the DNA ladder? |
andnine guanine thymine and cytosine |
|
what sugar is found in DNA? |
deoxyribose sugar |
|
what sugar is found in RNA? |
ribose sugar |
|
A bonds with_? |
T |
|
G bonds with_? |
C |
|
proteins are made where in the cell? |
tRNA |
|
how is RNA different from DNA? ( list 3 things ) |
RNA is a single strand, DNA is a double helix, RNA has uracil instead of thymine, and RNA has ribose sugar while DNA has deoxyribose sugar |
|
the process of copying DNA is called? |
transcription |
|
what is the shape of DNA? |
a double helix |
|
why is dna called the blueprint of life? |
because its what a person is made and a house if mmade from a blueprint |
Share This
Flashcard
