principles of biochemistry final exam
practice test
1 - ANS-Elongation shifts mRNA through one codon on the expense of __ GTP(s). A. 10 b. Five
c. 2 d. 1
1, four - ANS-Polysaccharides integrate carbon __ of one sugar to carbon __ of the subsequent
sugar. A. Three,4 b. 2,three c. 1,4
100-200Approximately how many adenine residues are inside the polyA tail? A. One
hundred-two hundred b. A thousand-2000 c. 200-400 d. 2000-4000 - ANS-
2 - ANS-Adenine binds to thymine with how many hydrogen bonds? A. 1 b. 2 c. 3 d. 4
2 - ANS-How many ATP equivalents are required to synthesize 1 aminoacyl-tRNA? A. 1 b. 2 c.
3 d. Four
3 - ANS-Guanine binds to cytosine with how many hydrogen bonds? A. 1 b. 3 c. 4 d. 2
3' - ANS-Each amino acid is covalently connected to the ___ give up of tRNA through an ester
bond by using an aminoacyl-tRNA synthetase. A. Three' b. Five'
three'-five' phosphodiester - ANS-DNA nucleotides are joined by way of what kind of bonds? A.
5'-three' phosphodiester b. Three'-5' phosphodiester c. 5'-three' glycosidic d. Three'-five'
glycosidic
5'-three' - ANS-DNA is synthesized in what direction? A. 3'-5' b. Five'-3'
five'-three' - ANS-In what route is the DNA main strand synthesized? A. Five'-three' b. Three'-5'
eighty - ANS-Ribosomal RNA (rRNA) accounts for approximately ____% of RNA in cells. A. 20
b. Forty c. 60 d. 80
A - ANS-Elongation takes region at website __. A. P b. E c. A
A histone octamer - ANS-A nucleosome middle particle incorporates ___ and approximately 147
base pairs. A histone dimer A histone octamer One histone
Aerobic - ANS-___ exercising is performed when bodily sports proceed at a pace for which
adequate quantities of oxygen can be provided. A. Aerobic b. Anaerobic
, All of the above - ANS-Eukaryotic gene expression is regulated at which of the following ranges:
Genomic manage, Transcriptional manipulate, RNA processing, Translational manipulate, All of
the above
Amino acid - ANS-___ construct polymers by means of connecting the alpha-carboxyl atom of 1
monomer to the alpha- amino nitrogen atom of the following monomer. Nucleotide, Sugar,
Amino acid
Amino acids - ANS-Protein is the polymer of: Nucleotides, Amino acids, Glucose units
Ammonia - ANS-Nitrogenase can lessen nitrogen into ___ at ambient temperature and normal
atmospheric stress. A. Ammonia b. Ammonium c. Acetyl-CoA
AUG - ANS-Protein synthesis begins at a(n): UAA, GUA, AAC, AUG
Breaking down molecules - ANS-Catabolism is: Building molecules, Breaking down molecules
Building molecules - ANS-Anabolism is: Building molecules, Breaking down molecules
Carry activated amino acids to ribosomes - ANS-what is the feature of trna? A. Carry activated
amino acids to ribosomes b. Catalyze RNA cleavage c. Carry genetic facts from the gene to a
ribosome
Carry genetic statistics from the gene to a ribosome - ANS-What is the feature of mRNA? A.
Carry activated amino acids to ribosomes b. Catalyze RNA cleavage c. Carry genetic
information from the gene to a ribosome
Catalyze RNA cleavage - ANS-What is the characteristic of small RNA? A. Carry activated
amino acids to ribosomes b. Catalyze RNA cleavage c. Carry genetic facts from the gene to a
ribosome
Codons - ANS-Each amino acid is unique by using triplet nucleotide base sequences referred to
as: a. Anticodons b. Codons c. Ribosomes
Constitutive gene expression - ANS-What is it referred to as while genes are expressed at a
regular level in truly every mobile of an organism? Constant gene expression, regulated gene
expression, constitutive gene expression
Degenerate - ANS-Multiple codons for maximum amino acids and synonymous codons specify
the same amino acid, that means the genetic code is... A. Degenerate b. Specific c. Universal
Different, repeating monomers - ANS-A homopolymer is fashioned with the aid of: Identical,
repeating monomers, Different, repeating monomers
practice test
1 - ANS-Elongation shifts mRNA through one codon on the expense of __ GTP(s). A. 10 b. Five
c. 2 d. 1
1, four - ANS-Polysaccharides integrate carbon __ of one sugar to carbon __ of the subsequent
sugar. A. Three,4 b. 2,three c. 1,4
100-200Approximately how many adenine residues are inside the polyA tail? A. One
hundred-two hundred b. A thousand-2000 c. 200-400 d. 2000-4000 - ANS-
2 - ANS-Adenine binds to thymine with how many hydrogen bonds? A. 1 b. 2 c. 3 d. 4
2 - ANS-How many ATP equivalents are required to synthesize 1 aminoacyl-tRNA? A. 1 b. 2 c.
3 d. Four
3 - ANS-Guanine binds to cytosine with how many hydrogen bonds? A. 1 b. 3 c. 4 d. 2
3' - ANS-Each amino acid is covalently connected to the ___ give up of tRNA through an ester
bond by using an aminoacyl-tRNA synthetase. A. Three' b. Five'
three'-five' phosphodiester - ANS-DNA nucleotides are joined by way of what kind of bonds? A.
5'-three' phosphodiester b. Three'-5' phosphodiester c. 5'-three' glycosidic d. Three'-five'
glycosidic
5'-three' - ANS-DNA is synthesized in what direction? A. 3'-5' b. Five'-3'
five'-three' - ANS-In what route is the DNA main strand synthesized? A. Five'-three' b. Three'-5'
eighty - ANS-Ribosomal RNA (rRNA) accounts for approximately ____% of RNA in cells. A. 20
b. Forty c. 60 d. 80
A - ANS-Elongation takes region at website __. A. P b. E c. A
A histone octamer - ANS-A nucleosome middle particle incorporates ___ and approximately 147
base pairs. A histone dimer A histone octamer One histone
Aerobic - ANS-___ exercising is performed when bodily sports proceed at a pace for which
adequate quantities of oxygen can be provided. A. Aerobic b. Anaerobic
, All of the above - ANS-Eukaryotic gene expression is regulated at which of the following ranges:
Genomic manage, Transcriptional manipulate, RNA processing, Translational manipulate, All of
the above
Amino acid - ANS-___ construct polymers by means of connecting the alpha-carboxyl atom of 1
monomer to the alpha- amino nitrogen atom of the following monomer. Nucleotide, Sugar,
Amino acid
Amino acids - ANS-Protein is the polymer of: Nucleotides, Amino acids, Glucose units
Ammonia - ANS-Nitrogenase can lessen nitrogen into ___ at ambient temperature and normal
atmospheric stress. A. Ammonia b. Ammonium c. Acetyl-CoA
AUG - ANS-Protein synthesis begins at a(n): UAA, GUA, AAC, AUG
Breaking down molecules - ANS-Catabolism is: Building molecules, Breaking down molecules
Building molecules - ANS-Anabolism is: Building molecules, Breaking down molecules
Carry activated amino acids to ribosomes - ANS-what is the feature of trna? A. Carry activated
amino acids to ribosomes b. Catalyze RNA cleavage c. Carry genetic facts from the gene to a
ribosome
Carry genetic statistics from the gene to a ribosome - ANS-What is the feature of mRNA? A.
Carry activated amino acids to ribosomes b. Catalyze RNA cleavage c. Carry genetic
information from the gene to a ribosome
Catalyze RNA cleavage - ANS-What is the characteristic of small RNA? A. Carry activated
amino acids to ribosomes b. Catalyze RNA cleavage c. Carry genetic facts from the gene to a
ribosome
Codons - ANS-Each amino acid is unique by using triplet nucleotide base sequences referred to
as: a. Anticodons b. Codons c. Ribosomes
Constitutive gene expression - ANS-What is it referred to as while genes are expressed at a
regular level in truly every mobile of an organism? Constant gene expression, regulated gene
expression, constitutive gene expression
Degenerate - ANS-Multiple codons for maximum amino acids and synonymous codons specify
the same amino acid, that means the genetic code is... A. Degenerate b. Specific c. Universal
Different, repeating monomers - ANS-A homopolymer is fashioned with the aid of: Identical,
repeating monomers, Different, repeating monomers
