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Why presence of which kind of molecule determines the concentrations of other substances in the body?
The presence of enzymes can determine the concentrations of other substances in the body. Enzymes regulate biochemical reactions by speeding them up. The presence or absence of specific enzymes can influence the rates of reactions that produce or break down certain molecules, thereby affecting their concentrations in the body.
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What is the difference between non-reducing and reducing sugar?
Non-reducing sugars do not have the ability to reduce other substances, while reducing sugars can reduce other substances. This difference is due to the presence or absence of a free aldehyde or ketone group in the sugar molecule.
What determines the presence of a chiral center in a molecule and how does it impact the molecule's properties and reactivity?
A chiral center in a molecule is determined by having four different groups attached to a central carbon atom. This asymmetry gives the molecule handedness, making it optically active. Chirality affects the molecule's properties and reactivity by influencing its interactions with other chiral molecules, enzymes, and biological systems. This can lead to differences in biological activity, drug effectiveness, and chemical reactions.
What is the significance of the dipole moment in molecular structures?
The dipole moment in molecular structures indicates the overall polarity of a molecule. It helps determine how the molecule interacts with other molecules, such as in chemical reactions or in the presence of electric fields. This information is important in understanding the physical and chemical properties of substances.
How does the presence of a rotatable bond affect the conformational flexibility of a molecule?
The presence of a rotatable bond in a molecule increases its conformational flexibility. This is because the bond can rotate freely, allowing the molecule to adopt different shapes and conformations.
How are sulfur molecule and sulfur dioxide molecule similar?
Both sulfur molecule and sulfur dioxide molecule contain sulfur atoms. However, sulfur dioxide molecule consists of one sulfur atom and two oxygen atoms, while sulfur molecule is composed of only sulfur atoms bonded together. Additionally, both molecules can undergo chemical reactions with other substances due to the presence of sulfur.
Which presence of which kind of molecule determines the concentration of other substances in the body?
Water
What makes the blood groups differ from each other?
It is the presence or absence of particular antigens that determines the blood type. Antigens are substances which trigger the body's immune response.
What is the principle of the guaiac reaction?
The guaiac reaction is based on the principle that the guaiac molecule interacts with certain substances, like blood, causing a color change that indicates the presence of those substances. This reaction is often used to detect the presence of blood in samples, for example in fecal occult blood tests.
HOW DO THE RESULTS OF THE IODINE TEST INDICATED THAT HYDROLYSIS OF STARCH OCCURRED?
An iodine solution turns a purplish-black if it comes into contact with the presence of a starch molecule. This reaction can take place at very minute concentrations of starch.
What properties of a substance determines how that substances will react when combined with other substances?
The chemical structure of a substance, the presence of functional groups, and its reactivity are key factors that determine how a substance will react when combined with other substances. Additionally, factors such as polarity, acidity, and basicity also play a role in interactions between substances.
What reacts to produce products?
In a chemical reaction, reactants are the substances that undergo change to form products. The nature of the reactants, their concentrations, temperature, and the presence of catalysts all influence the reaction process. When reactants interact, they break and form bonds, leading to the creation of new chemical substances known as products.
Is pepsin polar or non polar?
Pepsin is a polar molecule due to the presence of polar peptide bonds in its structure. This allows it to interact with water molecules and other polar substances in its environment.
What determines if a mineral is a silicate?
The presence of silicon and oxygen.
Which is a factor that determines wheathe a molecule can cross a cell membrane?
A key factor that determines whether a molecule can cross a cell membrane is its size and polarity. Small, nonpolar molecules, such as oxygen and carbon dioxide, can easily pass through the lipid bilayer, while larger or polar molecules often require specific transport proteins to facilitate their movement. Additionally, the concentration gradient and the presence of channels or carriers also influence a molecule's ability to cross the membrane.
What is the diference between saltwater and fresh water?
The presence of high concentrations of Salt.
What is the difference between non-reducing and reducing sugar?
Non-reducing sugars do not have the ability to reduce other substances, while reducing sugars can reduce other substances. This difference is due to the presence or absence of a free aldehyde or ketone group in the sugar molecule.
What determines the sex of an individual?
Presence or absence of the Y chromosome
