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1
A DNA nucleotide is made of all of the following components except:
A)a nitrogen-containing base
B)deoxyribose sugar
C)phosphate
D)phospholipid
2
Messenger RNA carries genetic information from the chromosomes to the ______.
A)ribosomes
B)endoplasmic reticulum
C)nucleolus
D)plasmids
3
A ________ codes for a specific sequence of amino acids in a protein.
A)gene
B)nucleotide
C)polyribosome
D)nucleic acid
4
The study of the structure, function, and interaction of cellular proteins is called ________.
A)bioinformatics
B)haplotypics
C)genomics
D)proteomics
5
Free-living organisms with a foreign gene are called _______ organisms.
A)transposed
B)transmutated
C)transparent
D)transgenic
6
DNA is shaped like a/an ______________.
A)alpha protein
B)double helix
C)single helix
D)globular protein
7
Which of the following tasks is not accomplished by DNA?
A)undergoes mutations that can provide variation
B)provides energy for the cell
C)stores information
D)replicates to pass a copy to the next generation
8
Which of the following statements is incorrect concerning deoxyribonucleic acid.
A)It is found within the nucleus of eukaryotes.
B)It can be found within mitochondria.
C)It contains a ribose sugar.
D)It specifies the sequence of amino acids for protein synthesis.
9
In DNA complementary base pairing is always
A)A to T and C to G.
B)A to C and T to G.
C)A to G and C to T.
D)A to U and C to G.
10
The ability of the DNA molecule to make a copy of itself is called:
A)transcription
B)replication
C)transduction
D)translation
11
The two strands of DNA are considered _________ and run in opposite directions of each other.
A)parallel
B)anti-parallel
C)balanced
D)polymorphic
12
Which of these is not a type of RNA used during protein synthesis in the cell?
A)ribosomal RNA
B)messenger RNA
C)transfer RNA
D)None of these are correct.
13
Which of the following bases is not found in RNA?
A)adenine
B)guanine
C)thymine
D)uracil
14
_______ involves the synthesis of an RNA molecule from a DNA template.
A)Transcription
B)Translation
C)Duplication
D)Cloning
15
________ is converting the sequence of bases on mRNA to a sequence of amino acids.
A)Transcription
B)Replication
C)Translation
D)Processing
16
Transcription of part of a DNA molecule with a nucleotide sequence of CATTAG results in an mRNA molecule with which complementary sequence?
A)GTAATC
B)GUAAUC
C)GUAATC
D)GTAAUC
17
Portions of genes that code for a particular amino acids are called
A)exons.
B)introns.
C)alleles.
D)templates.
18
There are ________ messenger RNA codons in the genetic code.
A)16
B)20
C)48
D)64
19
________ uses computer technologies to study the genome.
A)Bioinformatics
B)Polymerase technologies
C)Genomics
D)Proteomics
20
Using recombinant DNA technology, a restriction enzyme _______.
A)can cut DNA at specific base sequences
B)removes a specific gene form human DNA
C)opens a bacterial plasmid
D)All of these choices are correct.





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