Adaptive landscape- A surface in multidimensional space that represents the mean fitness of a population.

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#Id: 478

#Unit 2. Cellular Organization

Genes that are more distantly related but that still can be recognized as having common ancestry. Such a group of gene families is called a superfamily.

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#Id: 1209

#Unit 7. System Physiology – Animal

In humans, Only one of the follicles in one ovary starts to grow rapidly and becomes the dominant follicle, while the others regress, forming atretic follicles.

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#Id: 9645

#Unit 4. Cell Communication and Cell Signaling

Active Ras⋅GTP binds to the N-terminal autoinhibitory domain of Raf, altering its conformation and allowing the phosphate attached to this domain to be removed by cytosolic phosphatases, causing loss of 14-3-3 binding.

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#Id: 7989

#Unit 10. Ecological Principles

Marine turtles and seabirds ingest seawater when consuming prey or drink it, having no access to fresh water.

These animals have specialized structures called salt glands located around the eyes and nostrils.

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#Id: 7105

#Unit 6. System Physiology – Plant

Inhibitors of ethylene synthesis

IN CASE OF TOMATOES:

pTOM5 encodes for phytoene synthase which promote  lycopene synthesis that gives red coloration

pTOM6 gene encodes for polygalacturonase. This enzyme  degrades the cell wall, resulting in fruit softening.

pTOM gene encodes for ACC oxidase. This enzyme  catalyzes the ethylene formation that triggers the fruit ripening.

Calgene introduced a gene in plant which synthesize a  complementary mRNA to PG gene and inhibiting the  synthesis of PG enzyme.

On May 21, 1994, the genetically engineered Flavr Savr tomato was introduced.