1. If one strand of the DNA has the sequence CTAATGT, the complimentary mRNA str
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Question
1. If one strand of the DNA has the sequence CTAATGT, the complimentary mRNA strand will be:
GUTTUCU
GATUAAC
GAUUACA
GATTACA
Transcription
2. The process by which the genetic code of DNA is copied into a strand of mRNA is:
translation
transformation
transcription
replication
Transcription
3. Both DNA and RNA:
contain ribose
contain purines adenine and guanine
are single stranded
contain uracil
DNA structure
4. Each combination of three nitrogen bases on a mRNA strand is called a/an:
Codon
Enzyme
Anticodon
Nucleic acid
Transcription
5. Unlike DNA, RNA contains:
deoxyribose
a double strand
phosphates
uracil
Nucleic acid structure
6. In transcription, uracil will bond with:
thymine
cytosine
adenine
guanine
Transcription
7. The first team of scientist to document the structure of DNA was:
Franklin and Wilkins
Watson and Crick
Pauling and Chargoff
None of the above
DNA structure
8. Organelles that synthesize protein are:
lysosomes
ribosomes
endoplasmic reticulum
golgi bodies
9. Most of the time in a cell's life, it's DNA is in the form of:
Chromatin
Chromatids
Replicated chromosomes
Spindle fibers
10. Uracil is a nitrogen base that pairs with adenine. Using this information, one could conclude that uracil is a:
Purine
Pyrimidine
Neither a purine or pyrimidine
Not enough information
11. a nucleotide does not consist of a:
polymerase
5-carbon sugar
phosphate group
nitrogen base
12. The genetic code in DNA of an individual depends on the sequence (order) of:
nucleotides
purines only
phosphates
sugars
13. Before a cell divides, it must duplicate its DNA in a process known as:
translation
transformation
transcription
replication
14. The basic unit (building block) of a protein is a (an):
carbohydrate
amino acid
lipid
hydrogen bond
15. Unlike DNA, RNA contains:
deoxyribose
a double strand
phosphates
uracil
16. The structure of DNA was first documented in:
1945
1953
1956
1962
17. In DNA replication, the new molecules produced are:
of unequal length
both assembled in the same direction
built with purines as the backbone
assembled in opposite directions
DNA replication
18. The "backbone" of DNA is composed of:
ribose and phosphates
deoxyribose and phosphates
ribose and uracil
deoxyribose and thymine
DNA structure
19. RNA differs from DNA in which of the following ways?
RNA is single-stranded
RNA contains ribose
RNA does not contain thymine
All of the above
DNA structure
20. Which of the following is NOT required for the transcription process itself?
RNA polymerase
DNA
uracil-containing nucleotides
ribosomes
Explanation / Answer
1) GAUUACA is the complementary strand of CTAATGT.
2) transcription is the process by which DNA stand is copied into mRNA strand.
3) Both dna and rna contains adeneiyand Guanine Purines.
4) Combination of three nitrogenous base is called a codon.
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