Biomolecules Questions and Answers

Each of the following are associated with replicons except Ominichromosome maintenance proteins origin of replication TATA box helicase

1 In which order do the necessary enzymes act to repair a thymine dimer by nucleotide excision repair DNA ligase nuclease helicase nuclease DNA polymerase DNA ligase nuclease DNA polymerase RNA primase helicase DNA polymerase DNA ligase

Which of the following statements correctly compares transcription in prokaryotes and eukaryotes Both eukaryotes and prokaryotes recognize a polyadenylation signal in order to terminate transcription Prokaryotes have one type of RNA polymerase whereas eukaryotes have at least three Transcription factors are only required in prokaryotes Promotors of prokaryotes are more complex than euakryotic promotors

When one portion of a chromosome becomes physically part of another chromosome the type of mutation is referred to as a duplication an inversion O a translocation onsense mutation

which can cause a number of human diseases such as fragile X syndrome Opyrimidine dimer addition the re replication of highly repetitive DNA sequences deletion of large sections of DNA tautomeric shift

Which of the following patterns of information flow is unique to retroviruses within a cell RNA protein Protein DNA DNA RNA RNA DNA Protein DNA RNA Protein

What is the difference between bacterial and eukaryotic DNA replication in terms of the number of origins of replication O Eukaryotic cells have multiple origins of replication and bacterial cells have only one O Eukaryotic cells have one origin of replication and bacterial cells have multiple Both types of cells have the same number of origins of replication

Use your genetic code to provide the following answers Start codon Stop codon CCA Anticodon UUU Choose Choose Proline UAG Phenylalanine UGG Lysine

Choose the correct names for labels A name Select Select Select V Methionine Select C name Select E name Select A Annualuu la arunounceme Asparagine D B B name D name and F name

4 Can you please make one question about endomemrance system and protein string

Which is an example of evolution by selective breeding A Selection of prey animals that can run faster than their predators B The variation in the size of different breeds of dogs C The tendency during breeding for birds to produce more offspring than will surv D Some female spiders only breeding with males which make the right signals

Picture Are the forces balanced or unbalanced What is the NET force What direction is the NET force acting Balanced Unbalanced 25 N ON 25 N 10 N r 25N 25 N 50 N 25 N r 1 1 I 35N To the right 25 N To the left

3 A a da verilen molek llerden hangisi hidroliz tep kimelerinin r n olamaz A Fruktoz BY Amino asit CY Ya asidi DKarbondioksit E Glikoz

The melanocyte stimulating hormone receptor gene MC1R codes for one of the key proteins involved in regulating mammalian skin and hair color The normal allele for MC1R in Labrador retrievers and other dogs has this as part of its sequence on the CODING DNA strand What is the sequence of the transcribed mRNA O 5 AGCCAGGACTTCGAAAG 3 5 CTTTCGAAGTTCCTGGCT 3 5 AGCCAGGAACUUCGAAAG 3 5 AGCCAGGAACTTCGAAAG 3 O 5 CUUUCGAAGUUCCUGGCU 3

transcription Tetracycline is an antibiotic that kills bacteria by blocking the A binding site on the bacterial ribosome This kills the bacterium by inhibiting translation DNA replication RIBOSOME cell division Amino acid binding sites

In eukaryotes transcription takes place in the 6 000 nucleus cell membrane ribosomes cytoplasm

What are the roles of introns and exons and why is alternative splicing an important mechanism for these processes

Can you please type two paragraph about Eukaryotic Initiation step 6 in your own words

The moment of fertilization is also known as which produces a which is a fertilized single cell 1 points

Question 2 When talking about the chromosome number in a cell if the cell contains the full number of chromosomes we use the term we refer to the chromosome number as 2 points and if the cell is haploid Save Answer

If dimples is a dominant trait what is are the possible genotypes of an individual having dimples Homozygous dominant DD Homozygous recessive dd Heterozygous Dd Both Homozygous dominant and heterozygous

Which two terms will make the following statement true produces offspring that are identical to the original cell or organism and produces offspring that are similar but show variation in traits from two parents asexual reproduction sexual reproduction sexual reproduction asexual reproduction

Question 4 Points 1 is a fast food restaurant that was built in the 1950s and is still popular today O Burger King O Hardies McDonalds O Checkers Jhry

Miller was the first to show that Sparks simulating lightning Water vapor 1 H O 2015 Pearson Education inc Sea O the earliest forms of life were photosynthetic O eukaryotic life evolved from early prokaryotes O the earliest forms of life had an RNA genome CH4 NH3 3 H Atmosphere Electrode Condenser Cold water 4 Sample for chemical analysis

In Eukaryotes transcription begings with the binding of TFIIB TFIIC TFIID TEUA www to the promoter

Which of the following is a function of a poly A tail in mRNA It helps protect the mRNA from degradation by hydrolytic enzymes It indicates the site of translational initiation It adds the modified guanine to the 3 end of the mRNA It is a sequence that codes for the binding of RNA polymerase to the DNA

Represented below is part of the sequence of amino acids in a polypeptide Pro Thr Gln Lys Asn Ser Which of the following sequences of DNA could be used as a TEMPLATE to produce the RNA that encodes this protein sequence 1 5 AGAATTTTTTTGAGTAGG 3 2 5 GGATGAGTTTTTTTATCA 3 3 5 CCUACUCAAAAAAAUUCC 3 4 5 UUUUUAUCAUUGAGUAGG 3 1 2 AUG Met or Start UAG UAA and UGA Stop 3

Identify each of the following reactions as an isomerization phosphorylation or phosphate transfer Drag the appropriate items to their respective bins View Available Hint s Isomerization glucose 6 phosphate fructose 6 phosphate fructose 6 phosphate fructose 1 6 bisphosphate dihydroxyacetone phosphate glyceraldehyde 3 phosphate 1 3 bisphosphoglycerate 3 phosphoglycerate Phosphorylation glucose glucose 6 phosphate phosphoenolpyruvate pyruvate Phosphate transfer Reset

What effect would you predict an inhibitor of pyruvate kinase would have on hemoglobin Hb O binding A loss of Hb cooperativity an increase in PEP decreases the expression of the alpha Hb gene O No effect glycolysis isn t connected to hemoglobin activity O A negative effect Hb would bind to O2 with less affinity O A positive effect Hb would bind to O with greater affinity

Which of the following is not a net reactant or product of glycolysis oxygen O NAD O ATP O ADP

Which statement is most FALSE O In yeast pyruvate is reduced to ethanol resulting in the conversion of NADH to NAD Glycolysis is an anaerobic process and does not require oxygen O The 6 carbons unit originating from glucose is broken into 2 3 carbon units by the action of triose phosphate isomerase O During glycolysis all ATPs are produced by kinases

Which type of biomolecule is known for providing cell cell recognition functions glycoproteins proteoglycans peptidoglycans O nucleic acids

17 9pts Carbohydrate chemistry a Draw glucose in its cyclic form b Draw two glucose molecules linked together with the primary linkage foun cellulose

1 Yasmine has made a long term goal to make healthier food choices To help make her nutritional choices easier she is making a menu plan for the entire week in advance How might this thoughtful organization help with her decision making process about food What might happen if she didn t make this plan and she needed to make a last minute decision about what to eat 2 Deven is in fourth grade and keeps hearing about puberty He asks his older brother what is going to happen to him in the next few years How would his older brother most accurately explain to Deven what to expect What will happen during early middle and late adolescence to Deven and his friends of both sexes 3 Sometimes Tamara has difficulty making health related decisions Her friend Margot tells her that she can always ask her for advice What would be the advantages of Tamara seeking advice from Margot What would the disadvantages be What is an example of a scenario when an individual should make their own health related decision What is an example of a scenario of when an individual should ask for advice when making a health related decision 4 When Tyler s mom was pregnant decades ago she continued to smoke cigarettes because her doctor said it was fine After Tyler was born his mom fed him formula because the doctor said this was the best food for babies When Tyler was old enough his mom made sure he got all of his vaccinations Now Tyler s daughter is pregnant How will her health related choices likely differ from Tyler s mom s decisions How will her health related choices possibly be similar to Tyler s mom s decisions 5 Keisha tells her friend I m overweight out of shape and unhappy I can t believe my doctor hasn t done anything to make this better for me How can her friend offer Keisha advice on how she can enhance her own health What are some suggestions to help Keisha take more individual responsibility in improving her personal health

8 Between Job Guarantee and Universal Basic Income which one do you think works better for US economy Consider Full employment Inflation Inequality Instability

wwwwwww C Based on what you know about how kinesin motor activity is regulated what do you think would happen if you added a non hydrolyzable ATP analog to this experiment Would the kinesin ever bind the MT Would you observe the kinesin walking on the wwww wwwww microtubule Here is a structure of an example non hydrolyzable ATP analog ATP y S S O O 11 P P P HOOTO N NH N OH N OH OH OH OH If you added a non hydrolyzable ATP analog

To stereotype someone is to judge the person not as an individual but as part of a group whose members are thought to be all alike O True O False

27 9

1 How can we promote Beneficial Genetic Mutations and what are some examples of them

3 5 1 Question 10 1 point 4 Listen During base excision repair Endonuclease breaks bond Oionic phosphobiester hydrogen

Question 4 Based on the graph what are the optimal temperatures for the human enzyme and hotsprings prokaryote enzyme Rate of Reaction OO Copyright The McGraw Hill Companies Inc Permission required for reproduction or display Human enzyme 30 40 50 Hotsprings prokaryote 60 Temperature of Reaction C 70 80 O The optimal temperature for the human enzyme is 30 degrees C The optimal temperature for the hotsprings prokaryote enzyme is 60 degrees C The optimal temperature for the human enzyme is 40 degrees C The optimal temperature for the hotsprings prokaryote enzyme is 72 degrees C O The optimal temperature for the human enzyme is 46 degrees C The optimal temperature for the hotsprings prokaryote enzyme is 79 degrees C O The optimal temperature for the human enzyme is 35 degrees C The optimal temperature for the hotsprings prokaryote enzyme is 65 degrees C 2 poim

Describe three ways people can decrease their ecological footprint to help manage Earth s resources

What is the difference between renewable and nonrenewable resources

Mark all substances on this list that can normally pass through the blood brain barrier small lipid soluble nonpolar drugs gases like oxygen and carbon dioxide glucose because there s a transporter plasma proteins red blood cells bacteria

Independent assortment refers to the way in which multiple sets of chromosome pairs can align on the metaphase plate druing Meiosis 1 True False

2 Describe the structure and function of the following organelles a ribosomes b rough ER c smooth ER d Golgi complex e mitochondria f lysosomes g vacuoles bloroplast

QUESTION 9 Match the macromolecule with its characteristics Lipids Nucleic Acids Carbohydrates Proteins QUESTION 10 Match the cell structure or component to it s function character Nucleus A Structural or functional Includes keratin and hemoglobin B Fats Components of cell membrane Contains glycerol C Sugars Stores energy D Holds genetic information DNA RNA A Contains DNA eres a membrane

During the Covid 19 period households saving went up significantly and at the same time businesses were more reluctant to borrow and invest Therefore the interest rate remained the same the interest rate decreased the interest rate increased Question 14 3 points 4 Listen What is a reason why deflation is detrimental is to the economy deflation leads to falling asset prices which in turn hits personal wealth and confidence deflation decreases the real value of debt burden on borrowers deflation generates too much profits for businesses spond too much

18 During the absolute refractory period you can still generate an action potential it s just harder a True Ob False

Which of the following statement regarding lipid linked proteins is NOT true 1 They are covalently linked to the lipids that anchor them to the membrane 2 A single protein may contain multiple lipid group linked 3 They are generally present on the outer leaflets of lipid bilayers 4 All of the above are true 5 None of the above are true