Biomolecules Questions and Answers

gen is considered to be which of the following Polysaccharide Nucleic Acid Lipid Monosaccharide Academic Honesty

2 SUMMARIZE Sort out the diatomic molecules which actually form by their bond type Form a diatomic molecule with a SINGLE bond Form a diatomic molecule with a DOUBLE bond Form a diatomic molecule with a TRIPLE bond DON T form a diatomic molecule 3 How do the above results compare with the number of hydrogen atoms that each type of atom will bond with What patterns are noted What exceptions are notable

Label each shell with the correct number of valence shell electrons H He Ne

Which statement must be mentioned in explaining why amphipathic molecules line up at a water surface O Nonpolar groups repel water Polar groups attract one another Nonpolar groups attract one another O Polar groups repel water All of the above Submit Previous Answers Request Answer

hydrogen bond ionic bond covalent bond 8 S O Group 1 8 H 9 Group 2 H H hydrogen bond 8 H S H H hydrogen bond Group 1

design a controlled experiment to determine which tablet Find a group of your friends and PEPCID AC tablet and give the tot write down how long it to feel better Place a PEPCID AC tablet in a beaker of acid at pH 2 and an Alka Seltzer tablet in a separate beaker of acid at pH 2 and record how long it takes for the tablets to dissolve Place a PEPCID AC tablet in a beaker of acid at pH 2 and an Alka Seltzer tablet in a separate beaker of acid at pH 2 and check the pH in the beakers every 2 minutes Take a PEPCID AC tablet at 8 00 AM on Monday and take an Alka Seltzer ta at 8 00 AM on Tuesday and take note of how long it takes you to feel bett

Covalent Bond Review the Covalent Bonds tutorial Then answer the questions Part L An electrically neutral molecule has the formula C3H4O2N If the carbon atoms form the usual number of bonds how many covalent bonds will each hydrogen atom have with other atoms in the molecule 5 O 3 02 1 4 Submit Request Answer

2 Software used in an early childhood setting should OA be difficult to master OB complement other instruction O C have more text than graphics OD be largely used for relaxation

Crane wrote The Red Badge of Courage to convey the reality of war and its impact on humans rather than to glorify it At times he conveys a mocking attitude toward the subject Which quotations from the text help to convey Crane s tone Select the two correct answers He could see himself in a room of warm tints telling tales to listeners He could exhibit laurels They were insignificant still in a district where laurels were infrequent they might shine When he thought of it later he conceived the impression that it is better to view the appalling than to be merely within hearing The noises of the battle were like stones he believed himself liable to be crushed He admitted that he could not defend himself against this agency It was not within the power of vigilance O After this incident and as he reviewed the battle pictures he had seen he felt quite competent to return home and make the hearts of the people glow with stories of war CHIR

c Which samples gave negative results in the biuret test 2 The xanthoproteic test b Which protein samples gave positive xanthoproteic test results c Comment on the composition of the protein samples based on the results of this test ICOL Biuret Xanthoproteic Sakaguchi Water light Observations blue clear Nitroprusside Yellow a Which amino acids are identified with this test First Signs of Precipitate Albumin ombre purple blue yellow foggy Table B1 Effect of Heat on Albumin Yellow Casein Ombore purple blue Yellow Chunky Gelatin Arginine Cysteine light blue Temperature omlave purple 2 blue Clear foggy yellow goldish Clear orange Clear Clear red I yellow purple Description Tyrosine light blue dark Jorange Yellow

16 Piaget believed that in each stage children OA need constant external motivation OB learn most effectively through lecture OC need to use workbook pages to learn math OD build knowledge

ddATP is tagged with a green marker that emits light at 540 nm ddGTP is tagged with a yellow marker that emits light at 570 nm and ddTTP is tagged with a red marker that emits light at 635 nm The primer has the sequence 5 ATGAC 3 In the image shown here the shortest fragments are at the bottom and the longest fragments are at the top A A G

antiparallel strands NMN Answer Bank left handed Z Iorm AVA All

4 Before the Renaissance virtually all dramas focused on O A family relationships B religious themes OC life and death plots D the human condition

10 What type of writing is most similar to an autobiography OA Novel OB Short Story O C Poetry OD Memoir

8 A story s exterior narrative is the OA inner thoughts and feelings of the writer OB actions and events in the story C comments about society and its institutions D main subject of a piece of writing

on the image progesterone levels high The diagram shows the development of the oocyte and the follicle during the menstrual cycle Identify at which stage in the cycle the hormone levels are at their highest and most active estrogen levels consistently rise ovary oocyte luteinizing hormone levels high developing follicle mature egg Submit Test corpus luteum

12 The purpose of an indicator is to O A conduct electricity OB make a solution more neutral O C test and determine the pH values of unknown solution D help acids and bases dissociate when placed in water

Arrange these oligonucleotides according to the distance traveled in an electrophoretic separation Shortest distance traveled

Question 51 What is the name of muscle 1 one word Copyright The McGraw H Comparies Inc Permission required for reproduction or display Superficial Deep 2

For each of the four major biomolecules identify the name and structure of its monomer amino acid fatty acid Ange H O H Nucleic Acid monosaccharide OH CH OH OH nucleotide H H OH Carbohydrate H OH H C CH NH OH

Most fertilizers contain ammonia NH3 Ammonia forms when hydrogen reacts with nitrogen Which equation correctly represents the chemical reaction that forms ammonia 3H N NH3 H2 N2 2NH3 C H N2 NH3 A B D 3H2 N 2NH3

In sexual reproduction there are two parents and two sets of chromosomes A new organism is formed with one set of chromosome from each parent Ge offspring inherits traits from both parents 2 How many chromosomes does the parent cell have 4 3 How many chromosomes does each daughter cell have 4 What does the DNA do inside the nucleus before it splits Meiosis dast directly Talle OC Parent cell DNA replicates 2 daughter cells 4 daughter cells

43 1 How much of 0 5M of EDTA will Cecilia need to make 770 mL of 0 2M EDTA Show your calculation 4pts clearly and in a stepwise manner to earn maximum point Verdana 10pt BIU y R R Ixi

The diagram depicts the molecular structure of DNA Label the diagram with the names of the components of the nucleic acid OP O OP O pyrimidine hase 0 H H H N H C H H hydrogen bond 0 P 0 0 0 P 0 purine base Answer Bank sugar phosphate backbone

Application of heat to living cells can result in all of the following EXCEPT a decreased thermal death time b damage to nucleic acids c alteration of membrane permeability d breaking of hydrogen bonds e denaturation of enzymes

One common way to achieve sallective sovicity for mangal drugs alke less harmful for humansd is to target the ergosteril in the fungal plasma mentbrane cholesteral in the human glasma membrane cholesterol in the fangail cell wail sterrils in the outer menirane

Which of the following is not a possible outcome of antigen antibody interaction Activation of complement Antibody directed cell cytotoxicity ADCC Opsonization

During inflammation there is an activation and increased concentration of liver produced proteins in the blood called antibodies kinins leukotrienes acute phase proteins

A surgeon is testing various tissue samples to create a library of spectrometry signatures Which of the following statements is true of the mass spectrometer select all that apply More massive molecules passed through the mass spectrometer will have a larger radius of the deflection The circular deflection path of the charged particles is a result of their motion in a uniform magnetic field A larger charge on the molecule would result in a larger radius of deflection within the field The magnetic field applied to the ionized particles acts as a centripetal force upon the particles

Bengal tigers and Siberian tigers are members of the same species but have slightly different features Which sentence describes the likeliest cause of this difference between populations OA Mutations caused all tigers to be slightly different so both populations show a lot of diversity B Temporal isolation caused the tigers to develop adaptations at two different rates OC Tigers of the same species are not able to interbreed so different traits are found between the groups D Geographic isolation prevented gene flow between groups and they developed different traits over time

What is the inducer in the Lac operon system 2 3 4 A protein Lactose Glucose Any sugar

Which of the following is not located in the Sun Belt Nebraska O Georgia O Arizona Texas

Draw the deoxyribonucleotide TGA The molecules already in the drawing area below should be a convenient starting point However you might still need to m additional atoms and bonds HO HO HO HO HO NH O NH NH NH

A child is brought to the hospital with a fever of 107 F Doctors immediately order an ice bath to lower the child s temperature Which statement offers the most logical explanation for this action O Elevated body temperatures cause molecules to vibrate more quickly and prevent enzymes from easily attaching to reactants This would slow vital body reactions O Elevated body temperature will increase reaction rates in the child s cells and overload the limited number of enzymes found in the cell O Elevated body temperatures may denature enzymes This would interfere with the cell s abilities to catalyze various reactions O Elevated body temperatures will increase the energy of activation needed to start various chemical reactions in the body This will interfere with the ability of enzymes to catalyze vital chemical reactions

10 In the figure to the left a shows how the normal regulatory gene produces a protein pink oval that regulates the gene for active protein Based on the figure this protein is a transcription factor Assume that the gene for active protein is the CYP1A2 gene which codes for the active protein CYP1A2 purple circle CYP1A2 is involved in the main route of caffeine metabolism but other routes are possible yet slower to metabolize caffeine Those that metabolise caffeine fast do not feel the jittery effects after drinking coffee those that metabolize caffeine slowly report feeling jittery after drinking coffee r functional wt r allele in panel a and c a functional wt a allele in panel a and b r mutant rallele in panel b and d a mutant a allele in panel c and d a Normal b Mutation in the gene that encodes the regulatory protein c Mutation in the gene that encodes the structural protein d Mutation in both genes Figure 6 15 hod Regulatory gene Gene for active protein g rt to Genetic Analysis Tenth Edition 2012 WH Freeman and Company mim Anar a min mim nim a Nonfunctional regulatory protein sent une sim AVY A Auran m m A note about genotype notations The genotype r r means the person has an r allele on one chromosome and the r allele on the homologous chromosome A semi colon in the genotype indicates two different loci genes for example r r a a The r genotype is for the r locus and the a genotype is for the a locus Predict what the observed phenotypes will be for the following genotypes a r r a a

Describe how acid precipitation i e acid rain can affects ecosystems

A production of antibiotics B production of cheese and sausages C production of beer and wine D production of soy sauce A and B are correct

4 In addition to phagocytosis how can neutrophils destroy bacterial pathogens extracellular Answer

2 Are all cytokines chemokines or are all chemokines cytokines Answer

1 Which of the complement activation pathways is the most efficient Why Anguor

What type s of cells destroy virus infected cells Treg cells CTLs TH cells dendritic cells B cells

In the H E stain The sample is then stains stains residues in is used to remove the alcohol or wax at the start with an alcohol series to take the sample to an aqueous environment for the aqueous stains the Initially it stains both acid and basic groups but then an acid alcohol wash stain by removing it from the basic groups Blueing is carried out with a and change the colour from red to blue dark blue purple because it is a basic stain binding to the acidic before hence giving different shades of pink It is used as a The sample is then It is important to rehydrate the cells gradually to prevent cell to prevent cell wash to alter the pink because it is an acidic stain binding to basic amino acid is used for mounting the It is important to dehydrate the cells gradually

How many kilometers in 2 300 000 centimeters

A human child is trisomic for chromosome 18 and has Edwards syndrome How many total chromosomes would this individual have 1 2 3 38 69 47

Watson Wilkins and Crick who won the Nobel prize for delineating the structure of DNA used the data of but died of cancer before the prize was announced Linus Pauling Madame Curie Gregor Mendel who used X ray crystallography

Thymol blue is an indicator that is red in strongly acidic solutions begins to turn yellow just below pH 1 and begins to turn blue just below pH 9 Predict the most likely color at the end point when thymol blue is used as an indicator during an acid base neutralization titration O pink or magenta yellow red orange green or blue

One is composed of 3 Onucleotide codons amino acids proteins Try again protein nucleotides amino acids codons amino acid codons proteins amino acids nucleotide amino acids codons proteins codon nucleotides amino acids protein which will code for one of 20 and creates hundreds of thousands of different

One is composed of 3 and creates hundreds of thousa O O protein nucleotides amino acids codons O amino acid codons proteins amino acids O nucleotide amino acids codons proteins nucleotide codons amino acids proteins codon nucleotides amino acids protein which will code for one of 20 GENES AND PROTEINS cust 382 QUESTIONS QUESTION POINTS TRIES Chec

Several bacterial colonies are placed on a petri dish that contains agar with antibiotics After 24 hours ninety percent of the original bacterial colonies die but the remaining ten percent survive and later reproduce Which of the following theories is demonstrated by this experiment OA Mendelian genetics OB parasitism OC natural selection OD spontaneous generation