PHOTOSYNTHETIC CAPACITIES AND BIOLOGICAL STRATEGIES OF GIANT-CELLED AND SMALL-CELLED MACRO-ALGAE

A Round Celled Sarcoma

His urine was scanty. It was measured from day to day. On the first day it was found to be only 14 ounces in 21 hours. It increased a little afterwards, namely, 30 ounces in 21 hours. When the eyeball was found completely disorganised it was excised on the 24th September 1908, but it was found free from any growth. After this he began to get fever. His temperature ranged at first between" 99? F...

Strategies for engineering a two-celled C(4) photosynthetic pathway into rice.

Every day almost one billion people suffer from chronic hunger, and the situation is expected to deteriorate with a projected population growth to 9 billion worldwide by 2050. In order to provide adequate nutrition into the future, rice yields in Asia need to increase by 60%, a change that may be achieved by introduction of the C(4) photosynthetic cycle into rice. The international C(4) Rice Co...

Salt tolerance at single cell level in giant-celled Characeae

Characean plants provide an excellent experimental system for electrophysiology and physiology due to: (i) very large cell size, (ii) position on phylogenetic tree near the origin of land plants and (iii) continuous spectrum from very salt sensitive to very salt tolerant species. A range of experimental techniques is described, some unique to characean plants. Application of these methods provi...

Evolving strategies for single-celled organisms in multi-nutrient environments

When micro-organisms are in environments with multiple nutrients, they often preferentially utilise one first. A second is only utilised once the first is exhausted. Such a two-phase growth pattern is known as diauxic growth. Experimentally, this manifests itself through two distinct exponential growth phases separated by a lag phase of arrested growth. The duration of the lag phase can be quit...

Each Four-Celled Animal Tiles the Plane