Recent questions and answers in Cell Chemistry and Cell Biology

The major class of enzymes catalyzing the cleavage of $C-C, C-O, C-N$, or other bonds by elimination, leaving double bonds or rings, or addition of groups to double bonds...

Which ONE of the following options is CORRECT with respect to sequential breakdown of deoxyribonucleic acid (DNA) into lower-molecular weight compounds?Deoxyribonucleic a...

Which of the following statement$\text{(s)}$ is/are CORRECT?DNA is composed of nucleotidesFive types of nitrogenous bases occur in DNAEach phosphate is attached to two de...

Enzymes with the class of enzymes are listed in the table.EnzymeClass of Enzyme$\text{(a)}$ Lactate dehydrogenase$\text{(i)}$ Isomerases$\text{(b)}$ Alanine racemase$\tex...

Read the following statementsI. Photosynthesis takes place within the chloroplasts of the eukaryotes, whereas the breakdown of complex molecules to yield energy takes pla...

Read the following statementsi. Aerobic heterotrophic bacteria uses organic matter for carbon source and energy source.ii. Aerobic heterotrophic bacteria uses carbon diox...

The ratio of the moles of $\mathrm{CO}_2$ evolved to the moles of $\mathrm{O}_2$ consumed in respiration also called the respiratory quotient, is calculated for a carbohy...

Which one of the following statements is NOT correct?Photophosphorylation is the synthesis of $\text{ATP}$ from $\text{ADP}$ and inorganic phosphate in the presence of li...

Which of the following is the terminal electron acceptor in the electron transport chain of aerobic respiration?Water$\mathrm{NADH}$$\mathrm{O}_{2}$Cytochrome-c

Which of the following pairing of nucleotide bases is present in double helix DNA?Thymine - CytosineAdenine - ThymineCytosine - AdeninUracil - Thymine

Which of the following is/are correct for the process of glycolysis?There is net decrease in standard Gibbs free energy.The end product is glyceraldehyde 3-phosphate.Fist...