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WorksheetsBIO EXAM #4 PREP
Total questions: 72
Worksheet time: 36mins
According to the Central Dogma Theory, all cells store their genetic information in -
Polysaccharides
Steroid
DNA
Triglyceride (Triacylglycerol)
The Genetic Code is based on genetic code words called codons. Each codon (triplet) consists of 3 consecutive -
Amino Acids
Fatty Acids
Nucleotides
Phospholipids
Steroids
A codon in a protein-coding gene instructs the cell to place a specific _______ at a precise site in the protein.
Monosaccharide
Amino Acid
Fatty Acid
Steroid
Cofactor
A receptor in your white blood cell recognized a Coronavirus. This cell will respond by expressing a gene that codes for an -
Anti-bacterial protein
Anti-fungal protein
Anti-viral protein
Anti-prion protein
None of the above
All cells use the same rules to store genetic information in DNA and use this information to make proteins. This set of rules is the -
Protooncogene Code
Tumor Suppressor Gene Code
Genetic Code
Cell Cycle Code
All of the above
Which highly regulated process enables your cells to activate a Gene when your cells need to make the protein the gene encodes?
Active Transport
Facilitated Diffusion
Endocytosis
Osmosis
Gene expression
To begin expressing a gene, which process in the Nucleus makes an RNA copy of the coding strand of the gene?
Active Transport
Facilitated Diffusion
Endocytosis
Transcription
Translation
Which Enzymes synthesize mRNA (Transcript) during Transcription?
Proteasomes
DNA Polymerases
Ribosomes
RNA Polymerases
Kinases
The Transcription initiation phase is the first part of Transcription. Which proteins align and activate RNA Polymerase on the Gene's Promoter?
Cyclins
Transcription Factors
Kinases
Histones
All of the above
At which nucleotide sequence in the gene does RNA Polymerase begin to make mRNA?
Promoter
Transcription start site (+1 Nucleotide)
Exon
Intron
Centromere
During the Transcription Elongation Phase, RNA Polymerase makes a mRNA whose sequence is identical to the Gene's -
Promoter
Transcription Stop Site
Coding Strand
Template Strand
All of the above
During the Transcription Elongation phase, which monomers does RNA Polymerase bond together to make mRNA?
Amino Acids
Fatty Acids
Monosaccharides
Ribonucleotides
Steroids
Which nucleotide sequence is part of the Transcription stop site of a gene that instructs RNA Polymerase to end Transcription
Promoter
Intron
Chromatin
Exon
Poly-Adenylation Signal (AATAA)
After a gene in the nucleus has been transcribed, in which organelle is the messenger RNA processed?
Proteasome
Fat storage organelle
Endoplasmic Reticulum
Nucleus
Golgi Apparatus
Which molecule does the capping enzyme complex add to the 5'end of the mRNA?
Triglyceride (Triacylglycerol)
Essential Amino Acid
Steroid
GTP
Phospholipid
The chemical structure attached to the 3' end of the mRNA is called the -
ATP
5' G Cap
Poly-A Tail
Carrier Protein
Channel Protein
The function of the 5' G-Cap & 3' Poly-A Tail is to -
Increase mRNA stability
Enable mRNA export from the Nucleus
Enable mRNA to be translated by Ribosomes in the Cytoplasm
All the above
Which virus mRNA would avoid destruction and retain its ability to infect its human host cell?
The mRNA of virus 1 has no 5' G-Cap
The mRNA of virus 2 has a 5' G-Cap
The mRNA of virus 3 has no 3' Poly-A Tail
During Messenger RNA processing in the Nucleus, which process removes Introns from the messenger RNA to make mature mRNA?
Active Transport
Facilitated Diffusion
Endocytosis
Splicing
Translation
After splicing, which nucleotide sequences in the mature mRNA determine the sequence of Amino Acids in the protein the gene encodes?
Introns
Polyadenylation Signal
Exons
Promoter
All the above
Which structure removes the Introns from the mRNA and bonds the remaining Exons together to form the Mature mRNA?
Capping Enzyme Complex
Polyadenylate Polymerase
Spliceosome
Proteasome
Telomerase
The types (versions) of proteins that your ells can make from one gene is increased by -
Cytoplasmic streaming
Active Transport
Endocytosis
Alternative Splicing
Chromatin
A defect in the splicing process in the nucleus causes which medical condition?
Beta-Thalassemia
Colorectal Cancer
Neurological disorders possibly including some types of Autism Spectrum disorder
All the above
The Translation process that occurs in the Cytosol enables your cells to synthesize -
DNA
Messenger RNA
Proteins
Steroid
All the above
Messenger RNA molecules made in the Nucleus are translated by the Ribosomes in which cellular location?
Chloroplast
Golgi Apparatus
Cytosol
Mitochondrion
All the above
The small subunit and large subunit of the Ribosome, which performs Translation, are formed from -
Ribosomal DNA & Steroids
Ribosomal RNA & Steroids
Ribosomal RNA & Ribosomal Proteins
Ribosomal DNA & Ribosomal Proteins
Which type of Biological Molecule is the product of Translation?
Messenger RNA (Transcript)
Gene
Protein
Chromosome
Spindle
Which complex molecular machine reads the linear sequence of codons in mRNA to make a protein with a specific Amino Acid sequence?
RNA Polymerase
Polyadenylate (Poly-A) Polymerase
Capping Enzyme Complex
Ribosome
The Ribosome requires the 20 types of Amino Acids to make Proteins. Which specialized RNA molecules deliver the amino acids to the ribosomes during Translation?
7 s RNA
Ribosomal RNA
Transfer RNA
Messenger RNA
Proteasome
Which Enzyme attaches the proper Amino Acid to the proper transfer RNA (tRNA)?
RNA Polymerase
Peptidyl Transferase
Spliceosome
Aminoacyl tRNA Synthetase
Kinase
Which additional proteins are required to form the Translation initiation complex during the initiation phase?
Release factors
Initiation factors
Elongation factors
Histones
All the above
Which codon informs the Ribosome where to begin Translating the mRNA (Transcript)?
Promoter
Ribosomal RNA
Transfer RNA
Start Codon
Messenger RNA
Which Enzyme (Ribozyme) in the large Ribosomal Subunit bonds the amino acids together during the Elongation Cycle?
Spliceosome
RNA Polymerase
Peptidyl Transferase
Aminoacyl tRNA Synthetase
DNA Polymerase
Which protein interacts with the stop codon to initiate the translation termination phase?
Initiation Factor
Cyclin
Release Factor
Elongation Factor
GTP
Which energy-rich molecule fuels all three phases of Translation?
Vitamin D
Triglyceride
Histone
GTP
Phosphatase
Which Amino Acid Sequence of a protein acts as the "zip code" that ensures its delivery to the organelle that requires the proteins function?
Gene
Exon
Centromere
Signal Sequence
Intron
Some Antibiotics harm pathogenic bacteria by preventing protein synthesis. These antibiotics inhibit which process?
Splicing
Transcription
Translation
Anaphase
Cytokinesis
Which type of cell division produces the Haploid (1N) Gametes (sex cells) that you require for sexual reproduction?
Mitotic cell division
transcription
Meiotic cell division
Spindle Formation
Translation
Where does Meiotic cell division occur in the human body?
Heart
Intestine
Lungs
Gonads (Ovaries & Testes)
Anther & Ovule
Meiotic Cell Division enables you to produce -
Genetically-identical Diploid (2N) adult stem cells
Genetically-Identical Diploid (2N) Gametes (Sex Cells)
Genetically-variable Haploid (1N) Gametes
Genetically-variable Tetraploid (4N) Adult stem cells
When a human Haploid (1N) sperm fertilizes a human Haploid (1N) egg, the resulting Diploid (2N) Zygote has a total of -
11.5 Chromosomes
23 Chromosomes
46 Chromosomes
92 Chromosomes
None of the above
Meiotic Cell Division Increases the genetic variation in sexually reproducing populations. How is this beneficial?
Increased risk of extinction
Increased ability to adapt to new environmental conditions
Decreased offspring production
No offspring produced
Which process generates Recombinant Chromosomes in Prophase I of Meiosis I?
Splicing
Alternative Splicing
Crossing Over
Transcription
Translation
The Spindle Separates the two pairs of attached Homologous Chromosomes during -
Meiosis I
Meiosis II
Mitosis I
Mitosis II
DNA Replication
The spindle separates each pair of sister chromatids and delivers one sister chromatid to opposite ends of the cell in -
Meiosis I
Meiosis II
Mitosis I
Mitosis II
DNA Replication
During Meiotic cell division, crossing over and the random assortment of Homologous Chromosomes increase -
Mutation
Transcription
Genetic variation among gametes
Alternative splicing
Translation
Due to spindle (M phase) checkpoint failure, which error can occur during Meiosis I or Meiosis II that results in Aneuploid Gametes?
Transcription
Nondisjunction
Signal Transduction
Alternative Splicing
The species that researchers intentionally choose to facilitate the research process is a -
Replication
Experiment
Virus
Spindle
Model System
Which model system did Gregor Mendel select to facilitate his investigation of Heredity?
Virus
Bacterium
Pea
Fungus
Mouse
The results from Gregor Mendel's remarkable crossing (Mating) Experiments form the basis of Genetics Science
True
False
Which types of traits do we inherit from our parents?
Anatomical
Physiological
Behavioral Tendencies
All the above
The Nucleus of the Eukaryotic Cells of Potato contains four sets of chromosomes. This is an example of -
True breeding
Gene
Homozygous
Polyploidy (Tetraploidy)
Heterozygous
In the human population, there are several forms of a gene that regulate hair color. The versions of this gene that code for black hair, brown hair, or blond hair are examples of -
Locus
Proteasomes
Alleles
Traits
Telomeres
The Alleles of a gene contain different genetic information. This is because each allele has an -
Identical nucleotide sequence
Identical amino acid sequence
Unique disaccharide sequence
Unique nucleotide sequence
The two alleles that a Diploid (2N) individual has for a specific Gene is this individual's -
Polyploidy
Genotype
Phenotype
Chromosome
Telomere
At the Gene that codes for flower color in a Diploid (2N) pea plant has two identical alleles that code for purple petals. This individual is -
Homozygous
Haploid
Polyploid
Mutates
Heterozygous
Which environmental factors can interact with your genotypes to affect your phenotypes including behavior?
A) Conditions in the womb (in utero)
B) Conversation & learning
C) Culture
D) Formal Education
A) Parenting
B) Nutrition
C) Social Interactions
D) Infections
E) Exercise
All the above
When did the conditions of your unique environment begin to influence your Phenotypes?
In the womb (In utero) before birth
Childhood
Puberty
Post-puberty
Old age
What is the minimum number of dominant alleles that a diploid (2N) individual must inherit to express the dominant phenotype?
0
1
2
4
5
In a Heterozygote, the Allele that is not expressed in the Phenotype codes for the -
Dominant Phenotype
Recessive Phenotype
Polyploid Phenotype
Aneuploid Phenotype
All the above
What is the smallest Autosome in the Nucleus of your cells?
#22
#1
X
Y
#12
The different traits of each parent do not mix (blend) in the offspring. This is because each trait is regulated by a specific -
Spindle
Lysosome
Gene (Allele)
Proteasome
Ribosome
Gregor Mendel developed Models of Inheritance that explained the results he obtained from -
His friends' Facebook accounts
Carefully planned, executed, controlled, replicated experimentation
His friends' X accounts
All the above
Gregor Mendel developed experiments to study the rules of inheritance. Which experiment enabled him to investigate the mechanisms that regulate the transmission of one trait from parent to Offspring?
Test Cross
Dihybrid Cross
Monohybrid Cross
Chloroplast Cross
Each Diploid (2N) human has two alleles for every gene on the Autosomes (1-22). This is because we inherit -
0 Alleles from each parent
1 allele from each parent
2 alleles from each parent
4 alleles from each parent
How many copies of each gene do diploid (2N) human males have on the X-chromosome?
0
1 (Hemizygous)
2
4
How many copies of each gene on the Autosomes (#1-#22) do Diploid (2N) humans possess?
0
1
2
4
5
Each Diploid (2N) Pea Plant transmits only one of the two alleles for each gene to its offspring. This is because only on allele enters each gamete during -
Mitosis
Transcription
Meiotic Cell Division
Splicing
DNA Synthesis
A trait is unexpressed in the phenotype of the previous generation. This trait is expressed in the phenotype of the next generation. This trait is -
Dominant
Recessive
Cytoplasmic
Polyploid
Aneuploid
What is the number of "Recessive Alleles" that a Diploid (2N) individual like you must inherit to express the recessive phenotype?
0
1
2
4
5
All the F1 offspring produced from the testcross experiment express the dominant phenotype. What is the unknown genotype of the parent of interest?
Homozygous Dominant (PP)
Heterozygous (Pp)
Homozygous Recessive (pp)
Polyploidy
Meiotic Cell Division ensures that each generation of humans inherits a total of -
11.5 chromosomes
23 chromosomes
46 chromosomes
92 chromosomes
None of the above
