The chloroplasts are believed to be bacterial endosymbionts because
I. they are centres of synthesis and metabolism of carbohydrates.
II. They have their own protein synthesising machinery.
III. It is bounded by two membranes.
IV. They are independent of nucleus.

Mitochondria and chloroplast are believed to be bacterial endoymbiont because I. they have self nucleic acid i.e., circular des, DNA and RNAs II. 70s ribosomes III. their membrane resembles that of bacteria, having pour proteins. IV. ETS and ATP forming machienary is present.

Read the given statements and select the correct option. Statement 1 : Chloroplast and mitochondria are semiautonomous bondies. Statement 2 : Chloroplast and mitochondria have their own DNA and protein synthesising machinery.

Read the given statements and select the correct option. Statement 1 : Chloroplast and mitochondria are semiautonomous bondies. Statement 2 : Chloroplast and mitochondria have their own DNA and protein synthesising machinery.

Read the given statements and select the correct option. Statement 1 : Chloroplast and mitochondria are semiautonomous bondies. Statement 2 : Chloroplast and mitochondria have their own DNA and protein synthesising machinery.

The biomolecules are I. carbohydrates. II. Proteins. III. Lipid. IV. Mitochondria.

Archaebacteria differ from eubacteria because archaebacteria contains I. histone proteins II. Ether linkage in membrane lipids III. Membrane bound nucleus IV. Membrane bound cell organelles

Choose the corrct answer and write its ietter in the brackets Animals cannot synthesize the following (i) Carbohydrates (ii) Cellulose (iii) Lipid (iv) Protein.

Which of the following are correct for inner mitochondrial membrane? I. The electron transfer and ATP synthesising system are present in inner mitochondrial membrane. II. It bears small granules called oxysomes. III. It contains protein called porins. IV. it contains less than 10% of the total protein of mitochondria.

Identify the correct pair of statements I. Niacin containing coenzymes facilitates the oxidation of malate in the matrix of mitchondria II. Heam is the prosthetic group for the enzyme which catalyses the carboxylation of RuBP in the stroma of chloroplast, III. The electron carrier between cyt c-oxidase and cyt-c-reductase is attached to inner membrane of mitochondria. IV. Water spliting reaction in the lumen of thylakoid requires chlorine. (a) I, II (b) I, IV (c) II, III (d) III, IV