Answer:
Connective tissues have cells scattered throughout an extracellular matrix. They connect different body systems. Blood is considered as a type of connective tissue because It connects the body systems, transports oxygen and nutrients to all the parts of the body, and removes the waste products
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Blood is considered a tissue because it consists of similar cells (red blood cells, white blood cells, and platelets) working together to transport oxygen, fight diseases, and clot blood. Its classification as a tissue arises from the coordinated function of these cells.
Blood is classified as a tissue in cellular organization because it is made up of similar cells that work together to perform a specific function. In the case of blood, it is composed of different types of cells such as red blood cells, white blood cells, and platelets, all suspended in a liquid matrix called plasma. These components work together to perform essential roles such as oxygen and nutrient transport, immune response, and clotting respectively.
It's important to remember that in biology, a tissue is defined as a group of similar cells and their intercellular substances functioning together to perform a specialized activity. Hence, blood, with its coordinated function of different blood cells, qualifies as a connective tissue.
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b. RNA is removed from the sample by RNase treatment
c. detergent is used to break apart plant cells to extract DNA
d. lysozyme digest peptidoglycan in the bacterial cell wall
e. centrifugation separates cellular components based on size
Answer:
The correct answer is c. detergent is used to break apart plant cells to extract DNA.
Explanation:
Here we are talking about DNA isolation in E.coli and detergent is used to break apart the bacterial cell membrane by destabilizing the cell membrane. Detergent disintegrates the proteins present in the cell membrane which causes the rupture of membrane releasing the cell extract outside the cell.
Detergent is not able to break plant cell because it is made up of cellulose and require blending or mashing. Detergent can only be used to disintegrate the cell membrane because only cell membranes contain lipids and proteins.
Hence, the correct answer is c. detergent is used to break apart plant cells to extract DNA.
The branch of science which deals with chemistry uses in biology is called biochemistry.
The correct option to the question is A and D
The digestion of protein requires the enzyme which catalyzes the reactant and speeds up the reaction by decreasing the activation energy. According to this concept, option B is wrong.
The protein molecule has an active binding site that is specific to each protein. Each protein has a specific type of enzyme that catalyzes the reaction. Hence option C is also wrong.
Hence, the correct option is A and C that is an It is specific to one biochemical reaction and It slow down the rate of a biochemical reaction.
For more information, refer to the link;-
Answer: . It is specific to one biochemical reaction
It increases the rate of a biochemical reaction.
Explanation:
Protein acts as enzymes and are useful in reactions that occurs in the cell as a catalyst.
Enzymes are characterized by speeding up the rate of chemical reactions without destroying themselves or disturbing equilibrium that occurs between the reactant and the product. Individual protein are specific to a particular reaction and are good catalyst of chemical reaction as they help to speed up reactions.
Answer:
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Answer:
2) JG cells are present in the vasa recta.
Explanation:
The vasa recta is a web of the blood capillary which supply blood to the medulla region of a kidney due to its high permeability of solutes and water. It runs parallel to the loop of Henle. It does not composed of the juxtaglomerular cells (JG cells). The juxtaglomerular cells (JG cells) present in kidney which synthesise and stores enzyme renin. Thus, option 2) JG cells are present in the vasa recta is not a true statement.
Answer:
Focused Low Cost
Explanation:
This is a strategy in which a business in the same sector lower their cost in order to have a competitive advantage.
7.68
3.08
2.35
4.07
Answer:
The correct answer is 7.68
Explanation:
Isoelectric point (pI) is the pH at which the amino acid has net a charge of zero. We have to choose the two values of pKa at which the neutral form of the amino acid is predominant. Histidine (Hys) is a basic amino acid. From pKa's data, we deduce:
pKa1 = 2.3 (corresponds to α- carboxyl group)
pKa2= 6.04 (corresponds to R group)
pKa3= 9.33 (corresponds to α- amino group)
Since it is a basic amino acid, the neutral form will exist between the higher pKa's values. Thus, the pI will be in a pH value between 6.3 and 9.33.
So, we have to calculate the average of pKa2 and pKa3:
pI= (pKa2+pKa3)/2= (6.04+9.33)/2= 7.68
Therefore, the pI of Hys is 7.68.