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Which presence of which kind of molecule determines the concentration of other substances in the body?
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∙ 6y ago
Water
Jaime Anderson
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Cellular respiration cannot occur without the presence of what molecule?
mitochondrian
What factors affect the rate of enzyme activity?
-Heat, temperature, &pHtemperature, pH level, concentration of enzyme, concentration of substrate( my sec.1 science book)
What is the process by which molecules move from high concentration region to low concentration region without the presence of membrane?
This process is called diffusion. It is the passive movement of particles from high to low concentration, and is against a concentration gradient. Hope this helps!
What can Tobin conclude about the relationship between the enzyme concentration and the reaction rate in the presence of excess substrate?
There is a direct relationship; as the enzyme concentration increases, the rate of reaction increases.
What presence of protein determines blood type?
They are located on the red blood cell membrane. n the case of the ABO blood type system, they are actually sugars. The absence of these sugars means the person is type O the presence of either A or B means the person is either type A or B. The prescience of Both A and B means the person is type AB.
The presence of which kind of molecules determines the concentration of other substance in the body?
Water
What is the use of enzymes as analytical reagents?
They can be used for the estimation of specific substances, possibly present at very low concentration, in the presence of outher, chemically similar, substances.
What are 4 things that affect the rate of a reaction?
1. The concentration of the substances. 2. The temperature. 3. The surface area of the particles. 4.The presence of a catalyst.
A chemical reaction in a living cell occurs in the presence of a specific protein molecule The concentration of this protein molecule remains the same before and after the reaction This protein mole?
its an enzyme enzymes are a type of protein
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 determines if a mineral is a silicate?
The presence of silicon and oxygen.
What determines the sex of an individual?
Presence or absence of the Y chromosome
What determines how a substance will react when combined with another substance?
For an atom the configuration of the elections in the outermost electron shell. For a compound, the electrical charge generated across the molecule making the compound. Temperature Grain size The presence of a solute The presence of a catalyst The activation energy Weather the reaction will be ecto or endothermic.
The word organic signals the presence of what molecule?
Carbon
What is the presence of harmful substances in food called?
bacteria (i think)
What single attribute determines that a human fetus is male?
The presence of a Y chromosome.
what two things can make a molecule polar?
Answer 1:The presence of polar bonds Answer 2:The shape of the molecule Apex
