Biomolecules Questions and Answers

Show the Punnett square and the expected offspring and their proportions from the par given on slide 5 gB gB gb gb gB gB gb gb How many out of 16 ar Grey black eyed Grey red eyed White black eyed White red eyed What is the genotypic rat What is the phenotypic rati

87 One formula unit of morphine contains 17 carbon atoms 19 hydrogen atoms 1 nitrogen atom and 3 oxygen atoms Write the chemical formula of morphine

5 List 5 pieces of evidence that support the Theory of Evolution

Which passage contains the following three features of epic poetry Alliteration Caesura and Kennings A Seeking for safety The soul deeps of one were XXXV 133 B Seeketh me out Each of the heroes XXXV 54 C God wot in me tis mickle the liefer XXXVI 46 D Saw a brook from the barrow bubbling out thenceward XXXV 82

Mark each statement as True False while describing oncogenes and mutations Oncogenes cause cells to become cancerous Oncogenes cause cyclins and cyclin dependent kinases to become inactive Activated Cdk proteins can push cells passed cell cycle checkpoints with damaged DNA Oncogenes result in an increased rate of cell cycle progression Oncogenes ensure that Cdk proteins are bound to their appropriate cyclin Mutations are more harmful in cells that cannot divide Oncogenes permit cells to bypass cell cycle checkpoints

Chiasma Crossover al complex Synapsis Tetrad Formation of a close association between homologous chromosomes during prophase I A lattice of proteins that forms between homologous chromosomes during prophase I supporting crossover Two duplicated homologous chromosomes four chromatids bound together by chiasmata during prophase I Exchange of genetic material between non sister chromatids resulting in chromosomes that incorporate genes from both parents of the organism The structure that forms at the crossover points after genetic material is exchanged

Interphase Prophase Prometaphase Metaphase Anaphase Telophase Cytokinesis Cellular organelles begin to fragment Chromatids develop a kinetochore Replication of DNA occurs Chromosomes line up at the equator of the cell Chromosomes are located at opposite poles Spindle fibers begin to radiate from the centrosome Centrosomes move to opposite poles Consists of the G S and G phases Chromosomes decondense and return to chromatin The nuclear membrane and nucleolus breakdown Centrosomes are replicated Separation of sister chromatids occur Preparation for cell division Microtubules begin to bind to the kinetochore Elongation of the cell begins The first point where the chromosomes become visible 1 Separation of the cytoplasmic components of the cell Replenishes energy stores and proteins needed for cell division Two new daughter cells are completely separated from one another Nuclear envelope and nucleolus reform around the chromatin

Fill in the blanks using the drop down to complete the concepts of cell regulation and cancer V These genes code for and Cdk proteins If a mutation occurs in one of these Genes that code for positive cell cycle regulators are known as genes that codes for a Cdk that does not need to be bound to its cyclin then the Cdk can push the cell past any number of checkpoints This normal gene that is now mutated is known as a an If the coll passes through the checkpoints with damage to its this damage can be passed on to other cells as it moves through future cell cycl

Arrange the images representing the organization of eukaryotic genetic material from smallest to largest Jamamala x

Pyruvate ATP Glucose Triglycerides Glycogen Acetyl CoA Proteins Blood lipid levels elevated LIPIDS Insulin CARBOH

Among the various reasons postulated by Bredesen for the failure of effective treatments for Alzheimer s disease and other neurodegenerative diseases thus far is O Attempting to treat with a single phase monotherapy a single pill or silver bullet rather than a multi phase multi factorial precision treatment O Targeting of dopamine instead of root causes O More than one answer is correct O Underfunding of research into the ApoE4 genetic risk factor The lack of understanding with regard to carcinogens effects on hippocampal volume

Study the two graphs in Figure 1 showing the Finch population Figure 1 Daphne Finch Beak Depths 1976 and 1978 Pop Figure 1 Daphne Finch Beak Depths 1976 and 1978 P 90 Number of finches SO 60 8 30 0 12 6 8 9 10 L Before th 1976 All Da 12 After th 107

Ononcovalent TAP O covalent invariant chains Ononcovalent beta2 microglobulin Ocovalent beta2 microglobulin Question 13 2 points Listen The main function of helper CD4 cells is to secrete O complement proteins that kill the pathogen O cytokines that help other cell types respond to infection antibodies that kill the pathogen O cytokines that help lymphocyte migration to primary lymphoid organs antibodies that stimulate B cells Question 14 2 points 4 Listen Which one of the following statements is correct O Peptides produced in the cytosol bind TCRs in the endoplasmic reticulum and are transported to the endocytic vesicles Cross presentation enables antibodies to be presented by MHC class I None of these statements are correct Invariant chain prevents MCH class II from binding peptides in the endoplasmic reticulum

What color is a non spore forming bacteria Green Purple A

Water has unique properties that prevent lakes from freezing solid protecting the marine life within Which statement listed below explains this concept A Water has a special membrane C Water is non polar B Solid water has a lower density than its liquid state D Water molecules have a linear shape 60000

atom Oxygen is a highly electronegative What influence does this property have on water molecules A Confers polarity C Confers a linear shape B Confers low specific heat D Confers a trigonal shape

827 Water moves against gravity through plants like blood moves through your body This is an example of A cohesion only C polar on polar interaction Badhesion only D both adhesion and cohesion

is prepared by copying an mRNA template Dis typically prepared using a poly dT primer is conserved DNA is double stranded DNA that represents a mRNA molecule is the fist step in the polymerase chain reaction PCR does not need deoxynucleotides for its synthesis

Why is water considered to be the versatile solvent OQU B Its nonpolar covalent bonds allow for a strong attraction to most nonpolar substances like dissolves like A Its molecular structure allows it to dissolve any substance on earth C Its molecular structure allows it to dissolve any substance on earth with the exception of lipids i e fats and grease D It is necessary for all of life

Ethylene oxide is e the active agent in household bleach sporicidal a halogen only effective with high heat used as an antiseptic against anacrobes

Why do fat cells and nerve cells have different structures and functions OA Fat cells lack DNA and rely on nerve cells for their genetic instructions B Different sets of genes are expressed in the two types of cells O C Fat cells and nerve cells contain different sets of genetic instructions D The same set of genes codes for different proteins in fat cells and in nerve cells

Which statement best describes the difference between gene regulation in prokaryotes and eukaryotes OA Prokaryotes use transcription factors while eukaryotes mostly group genes into operons B Prokaryotes have promoter regions while eukaryotes use only operator regions C Prokaryotes regulate only during transcription while eukaryotes can regulate during any stage of protein synthesis D Prokaryotes only regulate the production of enzymes while eukaryotes regulate the production of all proteins

NHZ is defined as the Nominal Hazard Zone Select one O True False

Class 4 lasers are the most hazardous laser Select one True False

You counted 5 cells on one large grid of the hemocytometer The sample was diluted 1 1 in trypan blue What would be your final cell ml concentration of the cell sample O 5 x 10 cells ml O 2 x 10 cells ml O 2x 105 cells ml 5 X 104 cells ml

Question 2 Not yet What is true of the proteins illustrated in the diagram belo

Every eukaryote that has been studied has an ortholog of SPO11 but it is very difficult to obtain and maintain a mutation that knocks out the function of SPO11 What do you predict is the phenotype of a spo11 mutant that will make it so hard to maintain and why

During photosynthesis in plants what is the source of the carbon in the glucose sugar molecule C6H1206 O Carbon particles in the soil O Carbon dioxide in the air Carbon particles in water Carbon monoxide in the air

Which compound is a reusable complex protein that speeds up chemical reactions a sugar O a lipid starch an enzyme

2 What enzyme breaks peroxide H O2 into oxygen 0 and water H O 3 A noncompetitive inhibitor changes the shape of so it does not fit with the substrate 4 What is the catechol oxidase inhibitor used in this experiment OBJECTIVES Understand the concepts of catalysts enzymes substrates and active sites Identify the substrate enzyme and products in each experiment Describe factors that affect enzyme activity Discuss the action of the enzymes catalase amylase and catechol oxidase Compare and identify competitive and noncompetitive inhibitors Explain how the activity of catalase and catechol oxidase are measured in the experiments Design and perform an experiment to investigate the effect of temperature pH or concentration of an enzyme on the activity of catechol oxidase INTRODUCTION A catalyst is a substance that changes the rate of a chemical reaction but is not used up by t reaction Biological catalysts called enzymes change the rate of biological reactions They a required for all reactions within the human body Most enzymes are protein molecules although studies indicate that some are RNA molecule Every protein enzyme has a specific shape determined by the way the protein chain folds upc itself This folding is due to weak hydrogen bonds hotwon

courses SC BIOL1000 N Biology I Cells Molecular Bio You apply a restriction endonuclease enzyme to a sa gol plectrophoresis to check for the number of DNA fr

Agarose gel electrophoresis O a base pairs

MXXXTINE Diology ou a hidden heterozygote A PCR ana scientists load a Molecular Weight ma It ensures that no empty slots are left

What is the size of the DNA band indicated with the blue star on th a 700 1 Size bp 1013 900 800 700 600 500 400 300 311 200 100

erall a molecule of DNA car ect one Truc

Homer and his Little League team The Bernstein Bears play against the opposing team The Babysitters Club Unfortunately The Bernstein Bears lost the game Homer blames it on the weather According to the Attribution Theory the weather is the cause of why Homer s team lost unstable internal unstable external stable internal stable external

Which of the following is true about Alu Oit codes for proteins it reproduces itself O it inserts itself in the same location it originates found in fish genome Question 5 1 point

8 Explain what an anticodon is by giving an example

2 What are the two categories of nitrogenous bases Put each base into the correct category by naming and drawing the molecules

Itranscript Definition of Virulence Factors Please choose the best definition of virulence factors Multiple Choice O factors that enable a microorganism to be resistant to antimicrobial medica O characteristics of a microorganism such as its Gram stain morphology type the site within a host in which a microorganism resides and causes disease

4 S Book Itranscript Colonization Infection and Disease Please match the term to the statement that most a of colonization infection and disease

Concentration Electrolytes Solvent Solubility Alloy Nan Electrolytes Saturation Solution ionization unsaturated Solution Dissociation Solution 1 A solid plus a solid is called a b alloy c solvent 2 When making a solution the one dissolving is the 3 Solution b solute 3 The three methods that speed the process of dissolving are Supersaturated Solution a concentrated C so vent and solution is one with a small amount of solute in solvent d metallurgy C 01 5 Concentrated and Diluted are a relative concentrations b precise concentrations c saturated concentrations 6 Which two are UNSTABLE solutions

3 If the student is heterozygous how many bands will they see in the lanes for the blue and brown allele samples circle one Brown sample 0 Blue sample 0 1 2 more than two more than two

Question 8 Points 2 How are minor parties discriminated against in the American electoral system O Voters never cast ballots for minor party candidates Minor party candidates do not appear on a ballot Election law is written to discourage minor party candidates O Minor party candidates are not allowed to campaign

Question 7 Points 1 Which is the only American political party to rise up from third or minor party to major party status O The Democratic Party O The Democratic Republican Party O The Whig Party O The Republican Party

Question 5 Points 2 Which of these choices is NOT a major component of the two major political parties in the United States O The party organization including its leaders and activists The party loyalists who regularly vote straight ticket along with those who claim party membership The independent voter who casts ballots for party candidates in a particular election Officeholders within the party

Jack o Frost Epis esis 1 YouTube Untitled C H O N

Identify the heat source and type of heat transfer that causes it to melt Conduction convection or radiation Tell about the change in particle movement and arrangement Add more heat so that you now have a gas Tell about the change in particle movement and arrangement You can use this writing template Title Hi I am and I am made of ice I experienced conduction convection or radiation in the form of a hot sidewalk a pot of water on the stove the sun Make sure these match I turned into liquid water and when I did my particles changed by describe how the speed distance between and the arrangement of the particles changed Then I turned into a gas and when that happened my particles changed describe how the by speed distance between and the arrangement of the particles changed The end

You want to search for latent prints on a Styrofoam cup What type of fingerprint processing will you use O Ninhydrin Super glue Cyanoacrylate O Amido Black 4 points Black or Magnetic Fingerprint Powder

Which passage from the Article best supports the idea that LeBron James I Promise School might help kids outside of Akron Ohio A At the school s opening a crowd gathered in front of the brick building B The students get free breakfast lunch and snacks They have access to a fitness trainer C If all goes well I Promise could become a model for other schools across the U S D The basketball superstar opened the I Promise School in Akron Ohio on July 30 2018 He hopes to help and inspire kids