Each antibody has at least ______ binding sites that bind to a small portion of the antigen called the ________.
Answers
Related Questions
An eruption is classified as an explosive volcanic eruption based on the amount of which mineral found in the magma?
A/an _______ bond allows metals to conduct electricity. A. metallic B. atomic C. ionic D. covalent
Which elements are found in high proportion in earth's crust?
Which elements are the elements that form the basis of all living thingsfrom the most primitive bacteria to the largest creatures on earth? *A. Helium, hydrogen, nitrogen, oxygen, phosphorus, sulfur, or, as some prefer to callthem, HHNOPSB. Halogen, hydrogen, nitrogen, oxygen, phosphorus, sulfur, or, as some prefer to callthem, HHNOPSC. Gold, hydrogen, nitrogen, oxygen, phosphorus, sulfur, or, as some prefer to call them,GHNOPSD. Carbon, hydrogen, nitrogen, oxygen, phosphorus, sulfur, or, as some prefer to callthem, CHNOPSE. Carbon, helium, nitrogen, oxygen, phosphorus, sulfur, or, as some prefer to call them,CHNOPSF. Silver, hydrogen, nitrogen, oxygen, phosphorus, sulfur, or, as some prefer to call them,SHNOPS
Answers
The correct answer is: A. stimulates secretory activity
Parasympathetic nervous system is a part of the autonomic nervous system (a division of the peripheral nervous system (PNS), so it means it regulates unconscious actions in an organism. Parasympathetic system is known as a system for stimulation of "rest-and-digest", when the body is at rest (differ than sympathetic which is active for fight-or-flight response). Parasympathetic system works usually after the meal and it is involved in the functions such as, secretory activities (salivation, lacrimation ), urination, digestion and defecation..
Answers
Answers
* cone shaped bill
* pointed beaks
* strong beaks
* long beaks
* sharp beaks
* thin beaks
* slender beaks
* tubular beaks
* hooked beaks
Answer:
Size can be defined by words such as - long , short
Shape can be defined by words such as - curved, hooked, slender, sharp etc.
Explanation:
The shape and size of beak depends on the purpose of is usage.
Hence, the following terms can be used to describe the size and shape of a bird's beak -
1. Birds which prey their food have hooked beaks which are strong and deep to make a firm catch on their food
2. Birds which feed on fruits have sharp beaks
3. Birds which feed on fish have long, sharp and slender beak
4. Birds feeding on seeds have short and curved beaks
all living cells have enzymes.
B)
life would not be possible without enzymes.
C)
enzymes can speed chemical reactions by 100s to millions of times.
D)
there are a few types of enzymes, but they each perform many types of reactions.
Answers
Enzymes are biological catalysts which speed up the rate of biochemical reactions in the system of living organisms. There are many types of enzymes and enzymes are very specific about the type of biochemical reaction they catalyze. Enzymes only catalyze specific chemical reactions; for instance, the enzyme lactase catalyze the breaking down of lactose to glucose. This enzyme will not catalyze any other biochemical reaction except the conversion of lactose to glucose.
Final answer:
The incorrect statement about enzymes is that there are only a few types, each capable of performing many types of reactions. In reality, there are thousands of enzyme types each specifically designed for a particular type of reaction.
Explanation:
The subject of this question is about enzymes, which are proteins functioning as biological catalysts. They speed up chemical reactions and are vital to life. The options A), B), and C) state that all living cells have enzymes, life would not be possible without enzymes, and enzymes can speed up chemical reactions by hundreds to millions of times. These options are all true. But the statement D) that there are a few types of enzymes, each performing many types of reactions, is incorrect. In fact, there are thousands of different types of enzymes and each enzyme usually only catalyzes one type of chemical reaction.
Learn more about enzymes here:
#SPJ6
Answers
B. The enthalpy of the reaction doubles.
C. The sign of the enthalpy of the reaction reverses.
D. The enthalpy of the reaction is halved.
Answers
Answer: C. The sign of the enthalpy of the reaction reverses.
Explanation: Enthalpy of a reaction is the net heat absorbed or released during a chemical reaction.It is represented by . It is negative for exothermic reactions in which heat is released and is positive for endothermic reactions in which heat is absorbed.
When a chemical reaction is reversed the heat of the reaction changes its sign.
The decomposition of calcium carbonate is an endothermic reaction as heat is required to break the bonds and thus energy is absorbed.
When the reaction is reversed, the reaction becomes exothermic as now bonds are getting formed and energy is released.
It's one of Hess' Law : reversing an equation means reversing the sign of entalphy value
Hope this helps