pore

Transition

...tion (mPT) involves the opening of a non-specific pore in the inner membrane of mitochondria , converting them from organelles whose production of ATP sustains the cell , to instruments of death. Full article >>> Transition The term proposed by Freese (1959) for a mutation caused...

Stomata

... stoma pl. stomata [Gk. mouth ] A microscopic pore surrounded by guard cell s in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant . Full article >>> stoma (plural: stomata ). Natural opening in a leaf surface th...

Stoma

...stoma pl. stoma ta [Gk. mouth ] A microscopic pore surrounded by guard cell s in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant . Full article >>> stoma ch The muscular organ between the esophagus and small...

Recombinant

...2;>> Thirdly, opening of the purified PT pore complex reconstituted into liposomes is inhibite...ptosis -inhibitory proteins that also prevent PT pore opening in cells and isolated mitochondria . Full article >>>...

Pistil

...a pistil but no stamen s (= carpel late). pit A pore in a secondary cell wall . Full article >>> pistil The flask-shaped female reproductive unit of a flower , composed of ovary , style , and stigma . Covered in Lab 8 Seed Plant Reproduction ... Full article >>> ...

Organelles

...tion (mPT) involves the opening of a non-specific pore in the inner membrane of mitochondria , converting them from organelles whose production of ATP sustains the cell , to instruments of death. Full article >>> Chloroplasts and mitochondria are organelles within eukaryotic c...

Organelle

...tion (mPT) involves the opening of a non-specific pore in the inner membrane of mitochondria , converting them from organelle s whose production of ATP sustains the cell , to instruments of death. Full article >>> Chloroplasts and mitochondria are organelle s within eukaryoti...

Nucleotide

...rans locase (ANT) is converted into a non-specific pore through a calciummediated conformation al change. Full article >>> Polymerization is the chemical process in which a series of simple structural units (monomers) combine to form a large chainlike molecule (polymers). Chains of ami...

Mouth

...icle >>> [Gk. mouth ] A microscopic pore surrounded by guard cell s in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant . strategy ... Full article >>> os - a mouth or mouth like opening 2. Os - a hard b...

Monocot

...with two cotyledons Pollen with single furrow or pore Pollen with three furrows or pores Flower parts in multiples of three Flower parts in multiples of four or five Major leaf veins parallel Major ... Full article >>> Monocot stems Vascular bundles are present throughout the ...

Micropyle

...en tube that penetrates the ovum through a tiny pore called a micropyle . Two sperm cells are released into the ovary through this tube. Full article >>> Trans fer of pollen from the anther to the stigma in angiosperm s or from the microsporangium to the micropyle in gymn...

Lumen

... growing polypeptide chain is extruded through a pore in the ER membrane and into the lumen of the ER. the signal sequence is usually clipped off the polypeptide unless the polypeptide is to be retained as an integral membrane protein . Full article >>> The bile salts return t...

Liposomes

...2;>> Thirdly, opening of the purified PT pore complex reconstituted into liposomes is inhibite...ptosis -inhibitory proteins that also prevent PT pore opening in cells and isolated mitochondria . Full article >>>...

Lenticel

...Full article >>> lenticel A small pore found on the surface of stems and roots in higher plant s through which gas exchange can take place. Full article >>>...

Leaf primordia

...ab 9 Seed Plant Sporophyte lenticel A small pore found on the surface of stems and roots in higher plant s through which gas exchange can take place. Full article >>> The sheath enclosing the apical meristem and leaf primordia of a germinating monocot . collagen [Gk. kolla,...

Family

... familial hemiplegic migraine as well as with the pore unit. Full article >>> A family tree describing the occurrence of heritable character s in parents and offspring across as many generations as possible. pelagic zone (pel-ay-jik) ... Full article >>> A family of i...

Endonuclease

... specific agents inhibiting the mitochondria l PT pore abolish this dissipation of the ΔΨm and simultaneously prevent activation of downstream caspase s and endonuclease s, ... Full article >>> A restriction enzyme (or restriction endonuclease ) is an enzyme that cuts ...

Elements

...he discovery that cyclosporin A (CsA) inhibits the pore proved instrumental. Full article >>> One interesting case of this involves genetic elements called P elements . Margaret Kidwell found that P elements were trans ferred from some species in the Drosophila willistoni group to...

Diffusion

...n Transmembrane proteins create a water-filled pore through which ions and some small hydrophilic molecule s can pass by diffusion . The channels can be opened (or closed) according to the needs of the cell . Active transport ... Full article >>> Diffusion is the net movement of...

Dicot

...with two cotyledons Pollen with single furrow or pore Pollen with three furrows or pores Flower parts in multiples of three Flower parts in multiples of four or five Major leaf veins parallel Major ... Full article >>> hamamelid dicot family - family of mostly woody dicot y...

Blastopore

blastopore a pore of the blastula stage that opens into the arche...e [Gr. blastos - germ, bud, shoot ; L. porus - a pore or passage]. The opening between the archenteron and outside of the embryo , formed by invaginati...

Anus

... [Gr. blastos - germ, bud, shoot ; L. porus - a pore or passage]. The opening between the archenteron and outside of the embryo , formed by invagination during gastrulation . In some organ isms, it becomes the anus . Full article >>>...

Adenine

...rans locase (ANT) is converted into a non-specific pore through a calciummediated conformation al change. Full article >>> In the case of DNA this is comprised of adenine (A), guanine (G), cytosine (C) and thymine (T). RNA is identical with the exception that thymine (T) is s...