Given the following graph, what are the pKa's of the polyprotic species? Analytical Concentrations of Polyprotic Acid 1.0000 0.8000 0.6000 a1 0.4000 •a2 0.2000 a3 0.0000 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 pH Fraction

Q: the ____________ is a net-like structure of intermediate filaments that supports the structure of…

A: Intermediate filaments that consist of proteins in them are important components of the cell system…

Q: The phospholipids of a cell membrane are arranged into a ________________.

A: The basic, structural and functional unit of life is the cell. A cell is the smallest unit of life…

Q: Question 4 i). State three (3) main differences between a conventional x-ray and CT scan in medical…

A: Differences between Conventional Xray and CT scans in medical imaging are as follows:

Q: _______________ are components or subsystems that perform specific functions in complex systems.

A: Different systems of the body are comprised of different specialized components that are determined…

Q: Salma Rick Layla Adie Mac A Rh A Rh Rh Rh Rh B B B The blood type for Salma is The blood type for…

A: The blood type for Salma is A positive The blood type for Rick is AB negative  The blood type for…

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: Contains deoxyribose instead of ribose. O messenger RNA O DNA O transfer RNA

A: Nucleic acids contain the genetic information needed for functioning of cell. These are of two types…

Q: 1. On/ Off switch Select 2. Eyepiece/ Ocular lens ( Select ) 3. Arm I Select) 4. Nosepiece I Select)…

A: Compound microscopes are analytical instruments used to visualize the enlarged images of small…

Q: Question 15 Simple columnar cells are found in the skin muscle O gastrointestinal tract

A: We know that Columnar epithelial cells are simple epithelium made up of columnar cells. They are…

Q: Noncoding DNA sequences are called __________________.

A: Genes are a hereditary determinant of a specific biological function located at a fixed position on…

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: BONUS: Which tests would be faster to perform? PCR or an ELISA test? O both would take the same…

A: Enzyme-linked Immunosorbent Assay (ELISA) and Polymerase Chain Reaction (PCR) are the diagnostic…

Q: Question 7 Upload a recipe of making a fermentation product. The file extension needs to be JPG,…

A: Fermented food is prepared by treating the food with microorganisms in absence of oxygen to convert…

Q: The order is for ampicillin 2gm IM q4h. The drug label reads sodium ampicillin 2 gm. Add 3.4 ml of…

A: Ampicillin is an antibiotic that is given to the patient when they are suffering from an infection…

Q: B.1.351 is a variant of SARS-CoV-2. It has the amino acid substitution N501Y in the spike protein on…

A: The aromatic amino acids like Tyrosine, tryptophan and phenylalanine absorb ultraviolet light. The…

Q: The amount of energy available to do work is called

A:

Q: In making an artificial cell, the plasma membrane is represented by ____________ _____________.

A: Artificial cell is that synthetic arrangement of particles which together mimics an actual…

Q: Using the information in the table above, determine if the following statement is TRUE or FALSE.…

A: NOTE: AS PER OUR GUIDELINES WE ARE ONLY ALLOWED TO ATTEMPT FIRST QUESTION, PLEASE RESUBMIT THE OTHER…

Q: A single strand of DNA runs from ___________ to ___________.

A: Every DNA strand has two closures. The 5' end of the DNA has the terminal phosphate group on the 5'…

Q: The surface of a nucleus is bounded by a special kind of membrane called the ______________________.

A: A nucleus can be defined as a dense organelle that is present in most of the eukaryotic cells. This…

Q: There are four different type of nucleic acids which may be strung together to make DNA. These four…

A: There are four different biomolecules are present in nature, they are carbohydrates, protein, lipid,…

Q: The cell membrane contains certain pores in it. This allows only a few substances to pass through…

A: Cell biology: A branch of biology that is mainly based on the fact that the fundamental unit of all…

Q: Question 13 Astigmatism is a result from a defect in the curvature of the cornea or lens sclera…

A: INTRODUCTION Astigmatism It is a vision defect or blurred vision caused due to irregular shape of…

Q: The chemical bond involved between the nucleotides in a polynucleotide strand is a _____________ .

A: Nucleotides are involved in the formation of DNA and RNA. It consists of a five-carbon sugar, a…

Q: Question 22 Elodea lives in aquatic environment. It does not have a contractile vacuole. How come…

A: The movement of water across a semipermeable membrane (plasma membrane) from lower concentration…

Q: Question 71 match description to disease ingestion of preformed toxin in improperly canned alkaline…

A: The disease is malfunctioning of the body or part of the body. Diseases are pathological that are…

Q: 19. Label the type of conduction represented in the image below and provide a brief explanation.…

A: The nerve impulse is a low voltage current measured in millivolts (mv). Neurons are electrically…

Q: A noncoding DNA sequence within a gene is called a(n) _____________.

A: BASIC INFORMATION  DNA It stands for deoxyribo nucleic acid.  It is the genetic material of all…

Q: _____________ are the linear sequences of nucleotides in an organism’s genetic information.

A: Cell possess genetic information inside the nucleus in the form of DNA as well as RNA, which act as…

Q: Protein supplies 9 kcal per gram. functions as a solvent. is a major component of body structures.…

A: Proteins are generally included that they are of lengthy chains of amino acids. Protein is…

Q: Question 15 Saltatory conduction is made possible by O the myelin sheath O large nerve fibers O…

A: Nerve fibers are the fundamental and structural units of the nervous system. These cells help to…

Q: Expressed sequences of DNA are called ________________.

A: DNA or deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around…

Q: microscope names

A: All organisms are made up of cells which are rather minute in size and so cannot be seen with the…

Q: These two parts of a DNA nucleotide will always stay the same ___________ and ________

A: Deoxyribonucleic acid ( DNA) is the genetic material in most of the organisms. It is a double…

Q: are characterized by two types of nuclei, a macronucleus and a micronucleus.

A: Ciliates.

Q: tryptophan levels are high O Tryptophan Gene is switched ON O Tryptophan Gene is switched OFF O Does…

A: The tryptophan binds to the trp repressor, changing its structure and causing it to become active…

Q: DNA is a __________ which is made up of nucleotides

A: DNA( deoxyribonucleic acid) is the double-stranded molecule that is the genetic material in most…

Q: In a DNA nucleotide, the______________ has four different variations.

A: Deoxyribonucleic acid, also abbreviated as DNA, is the principal informational macro molecule of…

Q: Question 44 The term RNA refers to RNA. Blank 1 Blank 1 Add your answer

A: INTRODUCTION Answer to the question 44 is given below.

Q: QUESTION 1 A metric ruler was placed under the microscope and using the low-power objective (10x), a…

A: Magnification of microscope Magnification or magnifying power of a microscope is the degree of…

Q: Question 3 Describe the production of X-rays by a rotating anode tube. Explain the advantages of…

A: Rotating Tube Anode:  A vacuum tube known as an X-ray tube produces X-rays from electrical input…

Q: Question 25 This molecule `NH A can form 3 hydrogen bonds in base pairing B is found in DNA only…

A: The genetic material stores information in the form of sequence of nucleotide.

Q: The most posterior party of the brain steam is the

A: The brain stem is one of the most fundamental parts of the human brain, but it is also one of the…