Biology question and answers for November 21, 2023
- Q Why do we say that DNA replication is semiconse ive on and leic acid is it found It found son What kind of sucher dis
- Q Exons AND Introns which can be spliced are found in stion 18 When DNA is used to make a complimentary strand of mRNA this is called
- Q X 0 out of 3 points Which of the following is a disfunctional remnant of a retrovirus that was inserted into a genome and continues to excise remove and reinsert...
- Q x Parental population Offspring population FIX S Xf R p Xp Phenotipic values Phenotipic values
- Q 0 00 0 24 A C B Speed 1x Pau Genetic drift can occur due to the bottleneck effect when a few individuals start a new population Genetic drift can...
- Q Organisms inherit specific traits and characteristics from their parents Albinism is an inherited disorder that occurs when an organism is unable to produce or distribute melanin Melanin is a substance...
- Q Shown below is the 5 end of an mRNA Translation of this mRNA should begin at nucleotide numbered not one 5 1 2 5 3 6 7 8 9 11...
- Q How is the lac operon regulated W HIZ A It is regulated by chemical signals B It is regulated by transcription factors C It is regulated by the presence of...
- Q Which of the following is the correct term for when two alleles equally share dominance and do not blend A equidominance B dual dominance C codominance
- Q What kind of mutations can cause the reading frame to be moved one direction or the other A point B inverted C frameshift
- Q How many alleles does a gamete carry for each trait A one B two C millions The Law of Segregation Before gametes can make an organism they first need be...
- Q Look at the two DNA strands below The bottom strand has undergone a mutation What type of mutation has occurred when comparing the top to the bottom strand TAGGCAT ATAGGCAT...
- Q What makes a genetic disorder different from other disorders A They all show up at birth B The mutations are in the sex chromosomes C They are not treatable D...
- Q Structie regulation organs in the body Proteins are body processes They help build id in repair role in the and DNA anscription is the process of turning anslation is the...
- Q and 2 Refer to the following sequence of the coding DNA strand for a gene s protein coding region NATG CGC GAG TAC TGA 3 C 3 NTG C 5...
- Q The human microbiome can be described as a all microbes that cause disease b all microbes that are commensals c all microbes that colonise the human body d only microbes...
- Q 12 Which statement about regulation of gene expression in prokaryotes is true a The most common form of regulation of gene expression is at the level of translation b The...
- Q Date 19 Which of the following is true with respect to the lac operon a The repressor only binds to the operator when it is bound to the product of...
- Q f a certain trait s allele frequency is 100 describe the genetic variation for that trait in the population
- Q ection B Short Answer einenoqmoo erit etsitaulli of merpsib balladels seus 7 marks 1 Label the following diagram A B C MM MM MM YN Date D E
- Q What is the relationship between gene pools and allele frequency
- Q ular Genetics Test Section A Multiple Choice Identify the choice that best completes the statement or answers the question 1 Which mutation can potentially affect future populations or generations a...
- Q b Explain how the lac operon is an inducible operon How does it differ from the trp operon 2 marks
- Q 3 What type of mutation has no effect on the metabolism of a cell a silent mutation b mis sense mutation c nonsense mutation d frameshift mutation e deletion 4...
- Q Which of the following processes is irreversible Oa Information flow from DNA to RNA b The direction of DNA polymerase O c Information flow from RNA to proteins d Information...
- Q Section B Matching Match each item with the correct statement below a anticodon loop b missense mutation c acceptor stem d initiator tRNA e P site f operator g transposon...
- Q b What is the difference between gene mutations and chromosomal mutation 2 mar
- Q Date a Use a labelled diagram to illustrate the components of an operon 2 marks
- Q 17 Why is the tryp operon of E coli an example of co repression a The operon is normally off until tryptophan is present in the cell and then it...
- Q Which of the following is NOT required for transcription O a Ribonucleotides Ob RNA primers O c DNA template O d RNA polymerase O e Promoter
- Q What is the function of dideoxynucleotides in Sanger DNA sequencing O a They act as primers for DNA polymerase b They act as primers for reverse transcriptase O c They...
- Q C A linear chromosomal DNA molecule is shown below Since DNA replication is semiconservative each DNA strand will serve as the template for synthesizing a new DNA strand i Inside...
- Q 5 ATG GGA GTC TTG ATT TAA 3 Consider the following scenarios separately and write out the resulting polypeptide sequence labeling the N and C termini for each polypeptide a...
- Q 5 Pierce worked problem A series of auxotrophic mutants were isolated in Neurospora Examination of fungi containing these mutations revealed that they grew on a minimal medium to which various...
- Q 5 64 Complete each of the fol lowing nuclear equations 5 2 a 59CoMn He b 4N e 27 25
- Q OF B TDT TI XX The Y chromosome is much smaller than the X chromosome What does this mean A The Y chromosome takes up much more space than the...
- Q The difference between a deoxynucleoside triphosphate dNTP and a dideoxynucleoside triphosphate ddNTP is An oxygen in the ribose sugar ring O The presence of a nitrogenous base A hydroxyl group...
- Q The chain termination method of sequencing uses labeled dNTPs uses labeled ddNTPs O uses only dideoxynucleotides uses only deoxynucleotides
- Q Which process is part of transcription O DNA is copied to create a second DNA strand O mRNA codons and tRNA anticodons assemble amino acids O DNA is unzipped with...
- Q What does it mean if the 23rd pair of chromosomes reads XY in humans A female B male C mutated Sex and Autosomal Chromosomes Karyotype These are the two types...
- Q Which two plates should be compared to determine if any genetic transformation has occurred Choose both from the options below PGLO LB O pGLO LB amp O PGLO LB amp...
- Q 1 Briefly describe how a protein is made using these 7 terms Gene Ribosome DNA mRNA Amino Acids tR Genetic Code blueprint Auto far
- Q Cystic fibrosis 19 caused by a mutation in the affected individual s DNA What type of mutation cause cystic fibrosis A the loss of one base B the loss of...
- Q They on orting important tools in determining www and can be wily by colors when helping couples decide to have children when of a picatly order in new both They...
- Q A mutation in the promoter of an E coli gene that makes the 10 region a closer match to the consensus would be expected to Both b and c Both...
- Q e X chromosome O carries the genes for sickle cell anemia O is found only in females O is found in both males and females J O is an autosomal...
- Q Who is at more risk of giving birth to a child with Down syndrome O Patricia 24 yrs old O Jessica 45 yrs old O Amy 40 yrs old 1...
- Q Which type of RNA carries amino acids to ribosomes for assembly into proteins A microRNA C tRNA B rRNA D mRNA
- Q What problem is caused by Primase in DNA replication They make RNA which must be removed in order for replication to complete They make short and discontinuous DNA which must...
- Q Which of the following statements is FALSE O All genes encode proteins Sometimes multiple protein coding genes are transcribed into a single mRNA A gene can be defined as any...
- Q X X 1 3 2 11 6 7 JU 13 14 19 8 15 4412 20 9 10 16 21 4 11 17 22 5 12 GRU 18 X Y
- Q Which of the following is an example of alleles O Cc and DD O Tandt O X and Y XX and XY
- Q What base pairs do DNA and RNA share and what is different
- Q What problem is created when a cell becomes larger than its DNA can control A Information max B DNA overload C Nuclear outage
- Q The pedigree below shows the inheritance of dwarfism in a family Is the trait dominant or recessive O Dominant O Incompletely dominant Recessive O The data is not sufficient to...
- Q What does the central dogma of molecular biology state a Energy flows from the sun to the cell b The total energy in the universe is constant c The structure...
- Q Question 3 Where does translation take place A nucleus B endoplasmic reticulum C golgi apparatus D ribosomes Question 4 Is mRNA single or double stranded A single B double me...
- Q Question 2 Before the mRNA leaves the nucleus for translation three modifications to the pre mRNA take place Select one modification that takes place from the list below A exons...
- Q Level 3 Question 1 Three bases in DNA are called response 1 Three bases in mRNA a called a response 2 Three bases in tRNA molecule are called an respons...
- Q Question 6 The mRNA codon for valine is GUU what is the sequence of the anticodon A UAA B CAA C ACC D CTT Question 7 AUD What type of...
- Q riwino Question 6 Which amino acid in eukaryotes does the start codon specify Question 7 et trukdo ob Transcription is initiated when the RNA polymerase binds to the A start...
- Q Bacteria has an operon that specifies encodes 6 proteins that allows it to take up residence in the body Expression of the operon is turned on ONLY when the bacteria...
- Q their proteins Based on what you have learned this chapter which of the following is most likely mechanism by which this occurs a infection causes the bacteria s ribosomes to...
- Q 5 What are the two conditions that are needed for the lac operon to be expressed Which condition helps the RNApolymerase to bind to the promoter Which conditions removes the...
- Q 18 Cells are differentiated because they have different produce different 19 A blood sample from a crime scene was determined to have 33 Cytosine a What percent of Guanine should...
- Q Question 5 What is the name of the non c sequences of DNA that are splice before the mRNA leaves the nucl
- Q 1 Imagine you are a genetic counselor and a couple has come to you to learn more about their genetics and the effects genetic inheritance will have on their baby...
- Q Question 1 On which of the following molecules a codon found A transfer RNA B messenger RNA C ribosomal RNA D DNA Question 2 What is the name of the...
- Q Question 8 If an mRNA nucleotide sequence was AAA the corresponding the tRNA would be anticodon on A TTT B CCC C UUU D GGG Question 9 Amino acids are...
- Q 2 When the bacteria has entered the body via ingestion digestive tract the repressor should should not pick one bind to the Opera fill in space with choices below a...
- Q Which of the following is an example of the authentication using ownership O Fingerprint
- Q Q4 After 50 generations the allele representing dark blue hair color approaches a fitness value of zero The alternative trait a hair color of light sky blue gets closer to...
- Q Which of the following is not associated with translation O rRNA O mRNA O tRNA O DNA
- Q Which of the following describes how steroid hormones regulate gene expression O They promote the degradation of specific mRNAs O They activate translation of certain mRNAs O They bind to...
- Q address is the resolver s last step in the journey of O DNS recursor O Authoritative nameserver O Root nameserver
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