Download A substance formed by the chemical joining of two or more

What type of sugar does
RNA contain?
ribose
Name the four RNA
nitrogenous bases
A, U, C, G
Which nitrogenous base is
found in RNA and not DNA
Uracil
RNA is usually
_______ (how many)
stranded
1 or single
Name the three main
types of RNA
Messenger,
ribosomal, transfer
Which type of RNA
brings the info in the
genetic code from the
nucleus to other parts
of the cell
mRNA
RNA polymerase can make
many molecules of ______
from a single DNA
sequence through
transcirption
RNA
What are the three
main molecules
involved in protein
synthesis
mRNA, rRNA,
tRNA
From which
molecules are
mRNA molecules
transcribed
DNA
In eukaryotic
transcription, an RNA
molecule is
complementary to part
of one strand of _____
DNA
What
does this
figure
show?
genetic
code
How many
nucleotides are
needed to specify a
single amino acid?
3
How many codons are
there
64
How many amino
acids are there
20
Several different codons
can specify the same
______ ________
Amino acid
According
to the
figure,
what
does UAU
code for?
Tyr
During what process
does the cell use a
messenger RNA code
to make proteins
translation
What type of RNA is used
during translation (code
used to make proteins)
messenger
What does translation
use messenger RNA to
make?
proteins
What type of RNA has
the codon for adding
an amino acid onto
the polypeptide chain
messenger
What type of RNA has the
anticodon for adding an
amino acid onto the
polypeptide chain
transfer
What is added to the
growing polypeptide
More amino acids
What is being
assembled when RNA is
being translated
A protein
What is translated in
order for a protein to
be assembled
RNA
What contains the
instructions for
assembling proteins
genes
Genes contain
instructions for the
assembly of what?
proteins
During gene
expression a cell
reads instructions in
DNA to build what?
proteins
What is happening to
the gene when its DNA
is read to make a
protein
Gene expression
What 2 things does a cell
do with DNA instructions
when a gene is being
expressed?
Read and build the
protein
In eukaryotes, where
does transcription take
place?
In nucleus
In eukaryotes, where
does translation take
place?
In cytoplasm
In eukaryotes, what
takes place in the
nucleus?
transcription
In eukaryotes, what
takes place in the
cytoplasm?
translation
What type of mutation
involves one or a few
nucleotides
Point mutation
What chromosomal
mutation involves it
flipping upside down
inversion
What does inversion
effect?
A chromosome
What can change the
number of
chromosomes in a cell
Chromosomal
mutation
What happens to
information when a
deletion mutation
Its lost
Are most mutations
fatal to the organism?
no
Are most mutations
harmful to the
organism?
no
Are most mutations
helpful to the organism?
no
Do most mutations have
no effect of the
organism?
yes