Which of the two reactions are involved in the process of photophosphorylation?

A patient is suffering with yellowing of skin, liver enlargement, fever and abdominal pain. Which of the following diseases is he/she most likely suffering from?

The zymogen cells in the mucosa of the stomach secrete

The diagram shows different stages of the life cycle of a bacteriophage. Which of the following is the CORRECT sequence of the event taking place in the given diagram?

In which of the following processes is most of the carbon dioxide released as a result of catabolism?

All of the following are characteristics of archaebacteria EXCEPT that they

Legumes, such as clover and alfalfa, have nodules on their roots that contain nitrogen-fixing bacteria. These bacteria convert nitrogen gas from the atmosphere into nitrates. Which of the following best accounts for the presence of nitrogen-fixing bacteria in legume root nodules?

In which of the following phases of growth, do bacteria prepare themselves for division?

An ideal surface for respiration should

When the blood leaves the capillary bed most of the carbon dioxide is in the form of