Which of the following are correct about cellular respiration?
A. Cellular respiration is the breaking of C-C bonds of complex organic molecules by oxidation.
B. The entire cellular respiration takes place in Mitochondria.
C. Fermentation takes place under anaerobic condition in germinating seeds.
D. The fate of pyruvate formed during glycolysis depends on the type of organism also.
E. Water is formed during respiration as a result of O$$_2$$ accepting electrons and getting reduced.
Choose the correct answer from the options given below :
Given below are two statements:
Statement I: In eukaryotes there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelles.
Statement II: All the three RNA polymerases in eukaryotic nucleus have different roles.
In the light of the above statements, choose the correct answer from the options given below:
Match List-I with List-II:
List - I | List - II | ||
---|---|---|---|
(A) | Histones | (I) | Loosely packed chromatin |
(B) | Nucleosome | (II) | Densely packed chromatin |
(C) | Euchromatin | (III) | Positively charged basic proteins |
(D) | Heterochromatin | (IV) | DNA wrapped around histone octamer |
Choose the correct answer from the options given below:
Given below are two statements:
Statement I: Failure of segregation of chromatids during cell cycle resulting in the gain or loss of whole set of chromosome in an organism is known as aneuploidy.
Statement II: Failure of cytokinesis after anaphase stage of cell division results in the gain or loss of a chromosome is called polyploidy.
In the light of the above statements, choose the correct answer from the options given below: