dry

Stoma

...l varnish.(or thin layer of PVA glue ) Allow to dry out thoroughly (takes a good 30 minutes). Peel off and place on a microscope slide. The stomata leave clearly visible impressions in the nail varnish. A graticule slide allows for the counting of how many stomata (per unit area) are on the ...

Protist

...eous environments and the soil, commonly surviving dry periods as cysts , and include several important parasites . Based on locomotion, protozoa are grouped into: Flagellates Move using flagella e.g. Euglena Amoeboids Move using pseudopodia e.g. Amoeba Ciliate...

Protist

...eous environments and the soil, commonly surviving dry periods as cysts , and include several important parasites . Based on locomotion, protozoa are grouped into: Flagellates Move using flagella e.g. Euglena Amoeboids Move using pseudopodia e.g. Amoeba Ciliate...

Plant

...any tropical plants lose their leaves during the dry season. The growth rate of plants is extremely variable. Some mosses grow less than 1 μm/h, while most trees grow 25-250 μm/h. Some climbing species, such as kudzu , which do not need to produce thick supportive tissue, may grow up to 12500 &...

Plant

...any tropical plants lose their leaves during the dry season. The growth rate of plants is extremely variable. Some mosses grow less than 1 μm/h, while most trees grow 25-250 μm/h. Some climbing species, such as kudzu , which do not need to produce thick supportive tissue, may grow up to 12500 &...

Pigment

...ic , fabric and other material, a pigment is a dry colorant, usually an insoluble powder. There are both natural and synthetic pigments, both organic and inorganic ones. Pigments work by selectively absorbing some parts of the visible spectrum (see light ) whilst reflecting others. A distinction i...

Parthenogenesis

...ely by parthenogenesis. These lizards live in the dry and sometimes harsh climate of the southwestern United States and northern Mexico. All these asexual species appear to have arisen through the hybridization of two or three of the sexual species in the genus. The mechanism by which the mixing of ch...

Osmoregulation

... of water conservation. Xerophytes are plants in dry habitats such as deserts which are able to withstand prolonged periods of water shortage. Succulent plants such as the cactus have water stored in large parenchyma tissues. Other plants have leaf modifications to reduce water loss, such as need...

Leaf

...the upper epidermis; and is thicker on leaves from dry climates as compared with those from wet climates..... Leaves in temperate , boreal , and seasonally dry zones may be seasonally deciduous (falling off or dying for the inclement season). This mechanis...

Herpetology

...and are often toxic. Reptiles, by contrast, have a dry watertight skin, usually protected by scales , that normally has few if any glands. The reptilian heart is a three-chambered one (four-chambered in the case of crocodilians), and living reptilians usually if not always lay eggs or give birth on lan...

Disulfide bond

...air is a biological polymer, with over 90% of its dry weight made of proteins called keratins . Under normal conditions, human hair contains around 10% water, which modifies its mechanical properties considerably. Hair proteins are held together by disulfide bonds, from the amino acid cysteine. These l...

Dialysis

...alysis nurse according to the patient's "estimated dry weight." . This is a weight that the care staff believes represents what the patient should weigh without fluid built up because of kidney failure. Removing this much fluid can cause or exacerbate low blood pressure. Monitoring is intended to dete...

Cartilage

...ine cartilage, Type II collagen make up 40% of its dry weight and are arranged in cross-striated fibers, 15-45nm in diameter that do not assemble into large bundles. Elastic cartilage also contains elastic fibers and fibrocartilage contains more collagen than hyaline cartilage. Matrix The matrix is ...