WorksheetsDNA/ TRANSCRIPTION & TRANSLATION EXAM
Total questions: 43
Worksheet time: 22mins
Because of base pairing in DNA, the percentage of
% of adenine is = to % of guanine
% of thymine is = to % of adenine
% of adenine is greater than % thymine
% of cytosine is greater than the % of guanine
What do the G and A represent in the DNA sequence?
sugar
phosphates
amino acids
nitrogen bases
Codons consist of how many bases or "nucleotides"?
1
2
3
4
what happens after RNA strands are translated?
double helix of DNA formed
cell division occurs
dominant alleles mask recessive
sequence of amino acids/proteins are determined
the repeating units that form a DNA and an RNA molecule are?
fatty acids
nucleotides
amino acids
chromosomes
Where is DNA located within the cell?
endoplasmic reticulum
ribosome
nucleus
golgi apparatus
DNA replication results in two DNA molecules,
each w/ 2 new strands
`1 w/ two new strands and the other with 2 originial
each with 1 new strand and one original
each with two original strands
DNA or RNA?
single stranded
DNA
RNA
DNA or RNA?
has thymine
DNA
RNA
DNA or RNA?
contains deoxyribose
DNA
RNA
DNA or RNA?
contains uracil
DNA
RNA
DNA or RNA?
stays in nucleus
DNA
RNA
The process of creating mRNA from DNA strand is called _______
replication
transcription
translation
interphase
The process of creating a protein from mRNA is called _________
transcription
translation
replication
dna syntheis
The process of creating a new DNA double helix from an older DNA molecule is called ________
translation
transcription
DNA Replication
synthesis
What is a change in the DNA of a gene or chromosome?
mutation
allele
homozygous
trait
Unlike DNA, RNA contains _____
adenine
uracil
phosphate groups
thymine
RNA contains the sugar ________
ribose
deoxyribose
glucose
lactose
Which statement correctly describes proteins?
Polypeptide chains are formed in the nucleus.
DNA is the original source of protein structure.
The function of a protein is determined by the RNA.
Each nucleotide base is encoded into a single amino acid.
where does TRANSCRIPTION occur?
nucleus
mitochondria
ribosome
where does TRANSLATION occur?
mitochondria
Ribosomes
nucleus
_______________ is the process of making an RNA copy from a DNA template.
Transcription
Translation
The process in which the mRNA sequence is converted into a sequence of amino acids is called _____________
Transcription
Translation
In the cytoplasm, the __________ reads the amino acid sequence and assembles the protein.
Nucleus
Ribosomes
Mitochondria
A _____ is a section of DNA that is required to make a protein.
Gene
Chromosome
Amino Acid
The section of DNA undergoes __________ in order to synthesize a protein
mitosis and meiosis
transcription and translation
REPLICATION AND MUTATION
As amino acids are put together, their________ determines the way in which they will fold into a three-dimensional structure.
SIZE
SEQUENCE
It is the _____ of the folded structure that determines its function.
SHAPE
LENGTH
Which BEST describes why protein functions are diverse?
Protein creation is an unregulated process.
Some proteins are not formed from amino acids.
Proteins are formed through different types of bonds.
All proteins contain unique three-dimensional structures.
RIBOSE
DNA
RNA
BOTH
DEOXYRIBOSE
DNA
RNA
BOTH
CYTOSINE
DNA
RNA
BOTH
GUANINE
DNA
RNA
BOTH
ADENINE
DNA
RNA
BOTH
THYMINE
DNA
RNA
BOTH
#1
DNA
mRNA
tRNA
anticodon
#2
DNA
mRNA
tRNA
anticodon
#3
DNA
mRNA
tRNA
anticodon
#4
DNA
mRNA
tRNA
anticodon
#5
amino acid
codon
protein
ribosome
#6
amino acid
codon
protein
ribosome
#7
amino acid
codon
protein
ribosome
#8
amino acid
codon
protein
ribosome
