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For a reaction $A \rightarrow B$, enthalpy of reaction is $-4.2 \text{ kJ mol}^{-1}$ and enthalpy of activation is $9.6 \text{ kJ mol}^{-1}$. The correct potential energy profile for the reaction is shown in option.
Complete the flow chart on central dogma. (a) DNA -> (b) mRNA -> (c) (d)
In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
Which of the following statements is correct ?
During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?
Which of the following statements is incorrect?
Match List-I with List-II. <br><br>| List-I | List-II |<br><br><br>Choose the correct answer from the options given below.
In the exponential growth equation $N_t = N_0e^{rt}$, e represents
Succus entericus is referred to as:
Match List-I with List-II. List-I: (a) Metamerism (b) Canal system (c) Comb plates (d) Cnidoblasts. List-II: (i) Coelenterata (ii) Ctenophora (iii) Annelida (iv) Porifera
Which one of the following belongs to the family Muscidae?
If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
Match List-I with List-II. | List-I | List-II | | :--- | :--- | | (a) Protein | (i) C = C double bonds | | (b) Unsaturated fatty acid | (ii) Phosphodiester bonds | | (c) Nucleic acid | (iii) Glycosidic bonds | | (d) Polysaccharide | (iv) Peptide bonds | Choose the correct answer from the options given below.
Select the correct pair.
In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?
Which of the following is not an objective of Biofortification in crops?
Which of the following statements wrongly represents the nature of smooth muscle? (1) These muscle have no striations (2) They are involuntary muscles (3) Communication among the cells is performed by intercalated discs (4) These muscles are present in the wall of blood vessels
Which of the following RNAs is not required for the synthesis of protein?
Sphincter of oddi is present at:
Two thin dielectric slabs of dielectric constants $K_1$ and $K_2$ ($K_1 < K_2$) are inserted between plates of a parallel plate capacitor, as shown in the figure. The variation of electric field $E$ between the plates with distance $d$ as measured from the plate P is correctly shown by: