Question 8 To see objects smaller than those that can be resolved by a light microscope, we usually use microscopes that employ a beam of: O a. photons O b. protons OC. neutrons O d.X-rays O e. electrons
Q: Question 49 The first law of thermodynamics states O energy is changed when its form is changed O…
A: Thermodynamics was considered a branch of physical science that deals with various energy forms in a…
Q: QUESTION 19 Which of the following is not found in DNA? O a. Adenine O b. Uracil O c. Guanine O d.…
A: Introduction:- The hereditary substance in humans and almost all other animals is DNA, or…
Q: QUESTION 25 When H becones an H+ ion, it: gives away an electron accepts an electron gives away a…
A: The electrons are the main component that is responsible for forming bonds between different atoms.…
Q: Question 44 1 pts Reactants capable of interacting to form products in a chemical reaction must…
A: Activation energy is defined as the minimum amount of extra energy required by a reacting molecule…
Q: QUESTION 6 Beta sheets shown in the figure below are: R N. H R R R H H H. 0. R H 0. R RI Ounn
A:
Q: Question 24 is the amount of space an object takes up O volume O length mass O density
A: Matter It is thing which occupy space and have some mass.
Q: QUESTION 3 Semipermeable men Selt malecules Weter Mevement of weter eleodes Equel "canentratian" of…
A: Given, is a figure of movement of water from one side of a semipermeable membrane in a beaker toward…
Q: Question 9 An enzyme that is a ligase will split larger molecules apart add or remove electrons from…
A: Enzymes are proteins which work like a biological catalyst.Catalysts helps in acceleration of…
Q: Question 24 The nucleus is the cell as O the bones are to a human the heart is to human the muscles…
A: Cell nucleus helps in regulation of eating, movement and reproduction. There is a nucleus envelope…
Q: Question 7 Which of the following is a chemical property? temperature
A: Chemical properties are very much useful in the purification of a compound.
Q: Question 11 (1 point) The structure shown is NH2 0-P-0- CH2 O: H. H NH2 H. N. H 0=P-0 -CH2 O. N. H.…
A: Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each…
Q: QUESTION 1 The "gel" in "gel electrophoresis" is a material that is considered liquid solid…
A: Note- According to our guidelines, we are supposed to answer only one question. Please repost the…
Q: QUESTION 4 Lipids are hydrophobic molecules and have no charge. If they are loaded into a gel, and…
A: Gel electrophoresis is a technique in molecular biology where different samples are separated based…
Q: QUESTION 3 The first law of thermodynamics states that: O A. energy can be changed from one form to…
A: Laws of Thermodynamics are the laws that deal with the study of energy.
Q: QUESTION 26 If you are required to add 25 ng (nanograms) of a solid into 50 uL (microliters) of…
A: 1 ng = 0.001 microgram (mg)
Q: QUESTION 8 What are proteins made of? O A. nucleotides O B. DNA OC. polymerase D. amino acids
A: Proteins are the macromolecules that are the building blocks of the body. Based on their structure…
Q: QUESTION 2 In a lab, you take 5 mL of of Stock solution and mix it with 5 mL of water to make…
A: 5 ml stock solution present in solution A(10 ml) Solution B volume = 10 ml solution A+ 990ml water =…
Q: QUESTION 4 Branched polysaccharide in animals are used for O fuel, storage and unbranched…
A: Given: Polysaccharides are also called as Polycarbohydrates.The are the most abundant carbohydrate…
Q: Question 5 Which of the following is not common in cells? O Disulfide bonds Oligomers O Protein…
A: In the cell, the proteins are synthesized in the nucleus and transported out to the cytoplasm. These…
Q: QUESTION 23 It's absolutely wonderful that water cannot dissolve some compounds inside every living…
A: introduction to water as a solvent - -water is as a solvent is able to dissolve the various…
Q: QUESTION 19 The tripeptide glycylarginylglutamate contains four ionizable groups with pKas of 2.1,…
A: A tripeptide is a chain of three amino acids, which contain an amino group (–NH2) and a carboxyl…
Q: QUESTION 4: Batteries are becoming an essential commodity in our lives as a source of energy to…
A: A primary cell is a battery also called as galvanic cell that is designed to be used once and…
Q: Question 4 The most important feature of a protein is its side group. shape. secondary structure.…
A: Proteins are complex molecules comprised of sequences of amino acids. Proteins are essential for…
Q: Question 6 Which direction does the synthesis occur? O 5' to 3 O 3' to 5" O 3' to 3' O 5' to 5
A: Dna replication is the process through which many copies of DNA are made. It occurs in several steps…
Q: Question 1 Both DNA and RNA molecules are similar in that they both contain: deoxyribose O…
A: DNA - Deoxyribonucleic acid RNA - Ribonucleic acid DNA act as a genetic material. RNA can be…
Q: QUESTION 63 What is the standard metric unit for length? Millimeter Gram O Celsius O Liter O Meter
A: A metric system is a system of measurement that succeeded the decimalised system based on the meter…
Q: Question 6 Below is a BSA standard curve and the duplicate values of absorbance for 3 samples.…
A: The given linear equation for the BSA standard curve is y =0.9825 x - 0.1079. The absorbance wise…
Q: QUESTION 7 What is the relationship between the two structures shown? 一 Br H. Br H. CI and H. CI…
A: Chemical structures are defined as the essential building blocks in the subject of organic…
Q: QUESTION 52 An organism is discovered that thrives in both the presence and absence of oxygen in the…
A: Hello Dear Students, Q 52. The correct option is (c) i.e, must utilise a molecule others than…
Q: QUESTION 73 Because of the phospholipid cell membrane, water cannot diffuse into or out of the cell.…
A: The thin, living elastic semi permeable lipoproteins membrane that is present around the cell is…
Q: Snga t
A: Introduction Hypotonic Solution : The Concentration Of Solutes In A Hypotonic Solution Is Lower Than…
Q: Question 13 Describe the four complexes of the electron transport chain. What are the carriers used…
A: Electron transport chain: This is a system consisting of series of redox reactions carried by four…
Q: Question 15 Which atom will have the largest oxidation state; F-, the sodium in NaCl, the calcium in…
A: Oxidation number, also called oxidation state, is the total number of electrons that an atom either…
Q: Question 1 The best summary of this passage would be people can use energy in many ways energy is…
A: The given passage is about energy. Energy is a conserved quantity. Plants and animals including…
Q: Question 23 The meter stick is used to measure O length O mass O density
A: SI units are standard units used for measuring various entities.
Q: Question 8 Biological waxes are composed of glycerol and only one fatty acid a fatty acid and a long…
A: Biological waxes are modified neutral lipids from any organism or plants. Biological waxes has…
Q: QUESTION 9 When an atom loses an electron it is then called a cation. O True O False QUESTION 10…
A: Acids and bases can be defined in many ways Acids have more H+ ions while bases have more OH-…
Q: Question 9. Which of the following is not formed through a dehydration synthesis reaction? A.…
A: Answer - D. Phospholipid
Q: Question 4 (1 point) Metabolism refers to burning food during physical activity like running.…
A: The true answer is... All of these (e)
Q: Question 4 How are electromagnetic and mechanical waves similar? A They both move matter. B They…
A: Mechanical wave and EM wave is different in many ways. The mechanical wave requires a medium to…
Q: Which of the following can diffuse most easily through the cell membrane? H+ ATP…
A: Cell membrane is also called as plasma membrane which is a double layer of lipids and proteins that…
Q: QUESTION 13 The following are favorable precipitation conditions for the formation of large…
A: Precipitation is converting a dissolved substance into an insoluble solid called the precipitate…
Q: Question 26 The removal of a phosphate from cytidine yields the cytosine base. A True B) False…
A: DNA known as deoxyribonucleic acid is a molecule which is responsible for the transmission and…
Q: QUESTION 4 Autozero (pressing Measure Blank) is required when a new wavelength is set O True O False…
A: 3. Spectrophotometer needs to be zeroed (blanked) to reset its absorbing calibration to any…
Q: QUESTION 8 Euphotic zone is the maximum depth at which O a. Cyanobacteria burst O b. Fish die O c.…
A: The oceanic zone classified on the basis of light absorbtion.there are seven major zone such as-…
Q: Question 9 Which type of reaction is represented in the following figure: saturation phase…
A: Ans7- True Explanation- The present vectors that is used for gene therapy are mainly classified as…
Q: Question 11 A scientist is designing a device that will kill harmful cells in the human body using…
A: The electromagnetic spectrum is divided into starting from the low frequency (long wavelength) end…
Q: The barrel of a shotgun: a has lands and grooves b is smooth without grooves and lands c…
A: The shotgun has a long barrel and usually has a smooth bore to reduce friction. ... If a shotgun is…
Q: Question 7 (1 point) DNA O contains instructions for making proteins stores energy short-term O…
A: Given: DNA contains.
Step by step
Solved in 3 steps
- Question 7 of 13 DNA AS GGG GCT AGC CCC 3 ONA B-3 ATA TAT ATA CCC S ONA C-5 TAC GTT ACG TCG 3 ONA D-3 ATC TTT GCATTA S The DNA strand whose Ais 16.7% Select the correct response O none of the aboveCopy and paste the link below and watch the video in Youtube and Answer the Questionshttps://www.youtube.com/watch?v=8RBs0Ghg_48 Gel electrophoresis Questions 1. What are the chemicals and materials used in gel electrophoresis? 2. Draw a schematic diagram of a gel electrophoresis set-up3. Describe the procedure in doing a gel electrophoresis experiment. Why is there a need for a leveling bubble/leveler? What is the use of the rubber dam? 4. What is the use of ethidium bromide and why must you wear gloves when you handle it? 5. What makes the DNA fragment move towards the positive plate? 6. What is the purpose of glycerol in the sample buffer? 7. What is the use of a DNA ladder? 8. What will happen when you increase the voltage of the set-up? 9. Can gel electrophoresis be used to separate amino acids? If so, how is it done?Quèstion 9 Match each term with its definition. M. sphere-shaped bacteria F. va type of bacteria that is resistant to antibiotics Lvthe proper use of body movements to avoid injury while lifting or moving E. va machine that sterilizes objects using steam spiral-shaped bacteria A v parasites that live on fleas, lice, or ticks and can cause typhus and other diseases v small, one-celled organisms that cause illness when they are out of balance in our bodies D. v rod-shaped bacteria v simple practices that reduce strain and effort, such as using wrist support while typing v the form and structure of an organism; for instance, spiral-shaped or rod-shaped v organisms such as yeasts and molds that can cause infections v microorganisms found in water and soil that can cause malaria and dysentery disease-causing organisms that live in human cells and cannot be killed with antibiotics A. rickettsiae B. morphology C. protozoa D. bacilli E. autoclave F. bacteria G. MRSA H. ergonomics I. fungi J.…
- I need help finding the correct answers. the formula I used is % idenity=(length of the aligned region- the number of mismatches)/length of the aligned regionx100 for sequnce `1 and 3 I got a 70 percent idenity and 3 mismatches I think I am counting the wrong mismatches? can someone correct my answers and show me how they got theres and do not use cheggQUESTION 10 Which of the following is FALSE? O A. We have genetically engineered viruses, bacteria, plants and animals, including humans. OB. We have recently cloned and birthed the first human; she is 7 months old. OC. STR profiling is more accurate than DNA fingerprinting. O D. Gel electrophoresis is the technique used to do DNA fingerprinting.Question 5 For a successful direct staining, one should A. use a minimal amount of water to speed up the air-drying step B. make a very thick smear of cells on a slide to facilitate finding the cells under a microscope C. heat-fix a smear for an extended time to ensure that the cells will be stuck firmly to the slide D. All of the above E. A and C
- Question 12 of 13 DNA A-5 GGG GCT AGC CCC 3 ONA B-3 ATA TAT ATA TCC S ONA C-5 TAC GTT ACG TCG 3 DNA D-3 ATC TTTGCATTA S The DNA strand with the lowest (G+C) Select the correct response none of the above C < PreviousO frequency and wavelength are not related QUESTION 9 Arrange the following electromagnatic radiation in decreasing (nighest to lowest) order of frequency UV V. microwave X rays visible IR II II IV O V> III > IV > || > | O Il >V> III> IV>I O I> IV> II >V>I| O V> II > IV> III > I QUESTION 10UNSCRAMBLE THE WORDS 1. ( M C A L R A G D O ) 2. ( B E Y O L M R O Y G ) 3. ( N E T A P Y O G O L O L ) 4. ( N O I T A L U P O P ) 5. T I P E C I T O N I F A R just answer what you can asap. skip hard numbers
- I need help with question 3, the last image is created I just need it labeled with the derived charactersQUESTION 52 Which of the following researcher(s) was the first to Isolate nucleic acids (nuclein) and describe them? Erwin Chargaff O Francis Crick James Watson Albert Kossel Johann Miescher QUESTION 53 If the ocular lens has a magnification of 20x and the total magnification of the image is 500x, what is the magnification of the objective lens? O 480x 27 10,000x 520x 30x O 25xQuestion 3 Cells have evolved methods of repairing UV irradiation damage. All of the following are repair mechanism for UV damage EXCEPT (which is false?) O excision repair O activation of photolyase O light repair O dark repair O increased protein synthesis to replace denatured proteins Question 4