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a. What instrument was used to discover the structure of DNA? b. What shape was expected from the instruments output? VWhy? c. Who were the four main scientists involved in discovering the structure of DNA? d. What did you notice about the process of science represented in the video? Name at least three things that you noticed. Edit View Insert Format Tools Table 12pt v Paragraph v BI Address DELL F4 F5 F6 F7 F8 F9 F10 F11 II 88888: $ & 4. 6. 7

Part 3 out of 3 edit structure... 2 attempts left Check my work OH H₂0 ® Next part

Q19 In order to find bactericidal antibiotics – substances that can selectively kill bacteria without harming human cells, a combinatorial library was screened in 96 well plates. Which of the five compounds (I - V) is the most likely to be a bactericidal antibiotic? Choose one answer only. | || ||| IV v Bacterial cells and compounds Bacterial cells only Human cells and compound Human cells only a. V b. III c. II d. I cell growth no cell growth

Curved arrows are used to illustrate the flow of electrons. Follow the arrows to predict the intermediate and product of this reaction. Include all lone pairs. Use wedges and dashes to indicate stereochemistry. Ignore inorganic byproducts. CH3-MgBr O: CH3CH₂OCH₂CH3 Draw Intermediate neutralizing workup Draw Product Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. شم Select to Add Arrows Problem 5 of 20 Please select a drawing or reagent from the question area Problem 5 of 20 Please select a drawing or reagent from the question area Problem 37 of 20 Please select a drawing or reagent from the question area Submit Submit Submit

***Resubmitted because answer was blacked out. Please fix this issue. Thank you! Please see attached photo and answer question in photo, for #8. Thanks!

FOLLOW UP QUESTION:   Hello! Thank you for your urgent answer.    Please answer the LEARNING TASK 4!   Please review and verify also your previous answers if either it's right or wrong.    Please take note to not handwritten your answer, pure typewritten only. Thank you!

Hazard prevention techniques/tools before the chemical accident, types of PPE equipment's and any other methods that can prevent the chemical hazard I want a good answer as a point with a simple explanation  PLZ don't write with handwriting

Could someone Please Help with these! No plagiarism Please! A tire inflated with air is an example of a ___________________________. Evidence - Explanation - A pellet of sodium (Na) sliced in two pieces is an example of a _____________________________. Evidence - Explanation -

what am I doing wrong please help.

A-AgNO3 B-BaCl2 C-CuSO4 D-HCl E-H2SO4 F-NaI G-NaBr H-NaOH I-(NH4)2SO4 J-NH4Cl Explain your answer

_____________________ a large spherical object that orbits a star

sp sp? sp3 sp3 109.5° 'H. H. H 109.5° 120° 180° Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining

Hello, thank you for your urgent response.  Please answer the remaining activity — Learning Task 2. Please review and verify also your previous answers whether they are right or wrong. Thank you! Please take note to not handwritten your answer, pure typewritten only!

Please answer all thank youu

Hello, I would like help with problem 41 in the image attached.

QUESTION 34 What is the product for the Wittig rxn: CHy CHz. (a) HO CHCH))2 (b) (c) (d) O Answer (a) O Answer (b) O Answer (c) O Answer (d) QUESTION 35 Click Save and Submit to save and submit. Click Save All Answvers to save all answers. MacBook Air >> O00 20 F3 000 F4 F7 F9 F2 F5 F6 @ #3 $ & * 2 3 4 7 6 ビ=o

What is the name of Hmc040 -1. jpgSOmc040-2.jpg?

H NEt3 Select Draw Templates More C H N O 2 cl Erase

AutoSave w Cinnamates DIR - Compatibility Mode OFF Home Insert Draw Design Layout References Mailings Review View Table Design Layout Tell me Share O Comments Times New... v 12 A A Аa v AaBbCcD AaBbCcDdE AaBb AаBbCcDdEe AaBbCcDdEe AaBbCcDdE E AaBbCcDdEe AaBbCcDdEe AaBbCcDdEe > Paste A • ev A No Spacing Title Subtle Emph... Normal Heading 1 Heading 2 Subtitle Emphasis Intense Emp.. Styles Pane B U v ab x, Dictate Sensitivity trans-cinnamic acid Work up your spectrum well, and fill in Table 1 below. Omit any impurities, solvents, or other elements that are not part of your compound. For the Figure, make a good drawing in ChemDraw (ACS-1996 settings), inserting the compound name in bold below the structure. Then using small, bold, lowercase letters to match the table, assign all of the 'H signals. Figure 1: Structure and 'H NMR assignments for trans-cinnamic acid. ОН Table 1: Experimental 'H NMR data for trans-cinnamic acid. Signal 8 (ppm) Mult. J-values (Hz) Int. a 11.3 1H b 1H 2H d 3H е…

help me fix my answer pleas

Part B What is the name of the compound shown here? ОН CH Enter the name of the compound. > View Available Hint(s) Submit P Pearson 021 Pearson Education Inc. All rights reserved. Terms of Use I Privacy Policy I Permissions | Contact Us | MacBook Air

Can you please type it out so I can understand your writing.  Thank you

Need answer for number 6 and also the intro for this lab and the conclusion also please. I’m stuck

W AutoSave Off 周り Assignment 3-1 v Search File Home Insert Draw Design Aptos (Body) Layout References Mailings Review View Help ▾ 11 A A Aa P ✓ ✓ Paste B I U く ab x² A ✓ く Clipboard Font ☑ Paragraph ☑ Christiana Taylor CT Comments Editing ✓ Share Find ✓ Normal No Spacing Heading Heading 2 Replace Select ▾ Styles Draw the arrow-pushing mechanism and propose the product(s). When appropriate, make sure to indicate the appropriate stereo-/regio-chemistry of the product(s). Note that the mechanism(s) by which the product(s) form in reactions A and B are shown in pink. For reactions C, D, and E you need to deduce the mechanism by carefully analyzing your reagents and conditions. C. CI D. -CI 0 CH3ONa methanol Nal acetone ONa E. DMSO (solvent) Page 9 of 11 311 words DX Text Predictions: On Accessibility: Investigate Temps to plum... Thursday 2 19 Q Search W Editing Focus Dictate Editor Add-ins Voice Editor Add-ins > + 96% 9:03 PM 4/2/2024

One of the most important characteristics of the water molecule is its ____________, which allows it to surround and attract both positive and negative ions. Group of answer choices polarity low energy fluidity stability magnetism

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Please review this question and let me know if this is the correct answer. If not please explain the correct answer.

Please assist with sub part C.

Question 1 I understand the use of outside sources, LUOA lessons, or any other unapproved materials to answer questions on my tests and quizzes are violations of the academic integrity policy. I have only used information I have learned. I know tests and quizzes are NOT open book. I have not used any resources (including help from people) on this assessment. By selecting true, you agree with this statement. True