What are Svedberg units, and why are they not additive?

Q: why do the sizes of the transition elements change more gradually than those of the representative…

A: Screening effect or shielding effect is the phenomenon which occurs when the nucleus reduces its…

Q: What can Kd values be used for?

A: Kd value is the dissociation constant between any tow interacting molecules. It can be measured in…

Q: Which are the 13 trace elements?

A: Naturally occurring homogenous, inorganic substance required in humans in amounts less than 100 mg/…

Q: Which is a pre-molar?

A: Premolars are permanent teeth present in back of mouth. 8 premolars are present in the oral cavity.

Q: With respect to the cost of the body at the elemental/molecular level, how can one increase the…

A: Human body is composed of many elements arranged together in the right proportion such as carbon,…

Q: The average of a number of closely related but nonidenticalsequences is referred to as a…

A: Transcription is the process of converting DNA sequences into RNA copies. It reflects the gene…

Q: What is anandamide ?

A: Cannabis forms many compounds known as cannabinoids that contain a psychoactive compound named…

Q: What is the Krebs bicycle?

A: Krebs cycle : It is a series of chemical reactions used by all aerobic organisms to release stored…

Q: Which is the sweetest sugar?

A: Monosaccharides are also called as simple sugar. It is the simplest form of sugar and the most basic…

Q: What is essential in trace elements?

A: Trace elements are minerals that are present in living tissue in small amounts. Their main function…

Q: Write 5 natural elements with more than 1% radioisotopes and where this element are use for?

A: Natural elements with more than 1% radioisotopes: Polonium Radium Uranium Thorium Plutonium

Q: Some dried beans with a 14C/12C ratio one-eighth of the current value are found in an old cave. How…

A: The primary way for the age determination of an old sample is carbon dating. The carbon-14 is…

Q: What is the importance of knowing the isotopes

A: Either of two or more forms of the same chemical element is an isotope. Different isotopes of an…

Q: What do you mean by ground substance?

A: The extracellular matrix is a 3-D network of extracellular molecules, such as collagen,…

Q: How to calculate Kcat from the graph?

A: Kcat is also called as the turn over number. Turn over number of an enzyme is defined as the number…

Q: What is roentgen equivalent man or rem?

A: Roentgen equivalent man (rem) is an older cgs unit of dose equivalent. It is a measurement that…

Q: Which of the following is most correct?

A: The basic function of petals is to attract insects for the purpose of exchange of pollens (i.e.…

Q: How do you account for the low Iodine Number (8 – 10) of coconut oil?

A: Saturated oil  Saturated oil are those oil which are solid at room temperature. They do not have…

Q: What is the order of magnitude of 0,0076

A: Introduction The order of magnitude of a number is the smallest power of 10 used to represent that…

Q: What are the structural features of waxes? What are some common uses of compounds of this type?

A: Lipids are the molecules that form an important part of the plasma membrane by providing them fluid…

Q: Why does the water on glass (left) look flat, while the water on the wax paper (right) looks…

A: Water is a unique solvent because of its unique physical and chemical properties.

Q: CH3 N2 No 2 32/ Why is the 59% compound higher than the 32% compound?

A: The 59% compound ìs ortho-nitromethylbenzene 32% compound is para-nitromethylbenzene

Q: How many atoms of rams are in 6.000x1021 Aluminum?

A: The molar mass of aluminum is 26.982 g/mol.

Q: For the number 7.31000 Convert the number to Scientific Notation. If you add1 to the last position…

A: Given number is 7.31000 To do= add 1 in the last position and convert it into scientific notation.

Q: Define the R/S ratio

A: The rhizospheric soil contains different microorganisms and helps plants to get nitrogen from the…

Q: What is the chemical name of a substance which kills rats?

A: Pesticides are substances or mixture of substances intended for preventing, destroying any pest.…

Q: "The Henderson-Hasselbalch equation allows us to:

A: The Henderson- Hasselbalch equation:  It is an equation that demonstrates the link between a…

Q: What is sievert?

A: Radiation It is the emission or transmission of energy in the form of waves or particles through…

Q: What happened to the distribution of methylene blue crystals in the beaker water over time? What…

A: Diffusion Diffusion is a process involving the movement of molecules "down the gradient" i.e. from…

Q: What are the names of the elements that we can not analyse with AAS but we can use ICP-OES for…

A: AAS(Atomic Absorption Spectroscopy) is used to detect monoelements whereas ICP-OES(Inductively…

Q: What is the name of the nitrogenous base to the right?

A: The nitrogenous base are also known as Nucleobases. Four different types of nitrogenous bases are…

Q: What is the change in the percentage of helical turns if the superhelical density is = -.05?

A: A higher-order structure of deoxyribonucleic acid (DNA) is described by its supercoiling. The two…

Q: what is a isotope

A: Description of an isotope.

Q: what is the difference between principal and principle?

A: In grammar, homophones are words that have different meanings and spellings but sound similar. For…

Q: What does the “=“ mean when used in a macromolecule when written out.

A: Chemical bonds are formed due to the attractions that form linkages between ions, atoms, and/or…

Q: V and K are constants that are > 0, explain why the units of K and V are μm and μm/s respectively?

A: Michaelis-Menten model of enzyme kinetics is a very useful model which describe the relationship…

Q: Svedberg units direct correspond to molecular weight. True O False

A: Elements are the atoms which are present in the atmosphere, there are different elements present.…

Q: What is compound X?

A: Glycerol is released mostly in the adipose tissue from hydrolysis of fats (triacylglycerol). An…

Q: 77 10 Comparison c

A: The synthesis of protein is through a process called translation of mRNA, which has been transferred…

Q: What is the pI of E?

A:

Q: What organic compound determines an organism's physical traits?

A: The physical traits of an organism are determined by the genetic makeup of that organism. The genes…

Q: the value of the ratio form the white grape juice to sugar is

A: Grape juice is made of 70 to 80 percent of water and it contains many dissolved solids (sugars,…

Q: What is squalene? What are its properties ?

A: Squalene is a natural 30 carbon organic compound obtained from Shark liver oil and vegetable oils…

Q: What is the formula of the DPD for withered (shrunken) plant cells? How is that situation possible?

A: Introduction  DPD stands for Diffusion Pressure Deficit (DPD). It is the pressure difference between…

Q: Why is it difficult to determine an exact number for P/O ratios?

A: P/O ratio refers to the Phosphate/Oxygen ratio. P/O ratio signifies the number of ATP produced for…

Q: What do the terms saturated and unsaturated mean?

A: Fats plays an important role in healthy diet, the kind of fat in your diet can be either saturated…