05/30/24

what is the total no of cations present in 196g of Mohr salt?
answer should be written in NA (Avogadro number)
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05/06/24

Electrochemistry

Consider the galvanic cell:Pt(s) I H2(g, 0.100 bar) I H+(aq, pH=2.54) II Cl-(aq, 0.200 M) I Hg2Cl2(s) I Hg(l) I Pt(s)(a) Which half-cell is the anode and which is the cathode? Find their standard... more
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01/15/22

What is the connection between photosynthesis and cellular respiration?
1. Both photosynthesis and cellular respiration happen inside animal cells2. Both photosynthesis and cell respiration have carbon dioxide as a product3. Both photosynthesis and cell respiration... more
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01/12/21

Which of the answer(s) true ?
Which of the following is characteristic of the DNA methylation process ? Select one or ones that apply.A.) S-adenosyl methionine (SAM)B.) Histone acetyl transferases (HATs)C.) Histone deacetylases... more
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11/18/20

Metallic Character
Arrange the following elements in order of increasing metallic character:phosphorous,nitrogen,antimony,arsenic
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11/17/20

The unit cell in a certain lattice consists of a cube formed by an anion at each corner, an anion in the center, and a cation at the center of each face. The unit cell contains a net:
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10/20/20

Describe the mechanism of action of atropine
2. Atropine is a naturally occurring substance produced by many plants, particularly those in the nightshade family (Solanaceae). As a drug, atropine has a wide array of therapeutic uses; it is on... more
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09/10/20

(Question in description) Explain why B, Proteins and carbohydrates, is the correct answer and explain why A , Carbohydrates and lipids, is incorrect. Discuss functions of the organic compounds.
An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provided energy. Which two biomolecules mus the supplement contain to... more
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07/16/20

Which of the following statements about muscle contraction are true?
(A) ATP hydrolysis releases myosin from actin.(B) F-actin is a polymer of G-actin monomers and exhibits symmetry.(C) ATP hydrolysis causes a conformational change in the myosin head.(D) The heavy... more
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07/02/20

Non-Mendelian Genetics
In humans, there are three alleles for blood types, A=IA, B=IB, and O=i. Type A and B are co-dominant alleles and type O is recessive. Could a man with type AB blood be the father of a child with... more
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06/30/20

Which of the following protein structure has a lowest energy
amyloid  native (folded) structure  unfolded structure aggregates
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