You may have symptoms of early pregnancy, such as breast tenderness, nausea and vomiting. But when the embryo stops growing and hormone levels decrease, pregnancy symptoms subside. At this point, minor abdominal cramping and light spotting or bleeding are possible. An ultrasound will show an empty gestational sac. Can anRead More →
Trophozoite (Greek for “animal that feeds”) is a general term for the active, feeding, multiplying stage of most protozoa. In parasitic species this is the stage usually associated with pathogenesis. … For example, when the trophozoite of Entamoeba histolytica first forms a cyst, it has a single nucleus. How trophozoiteRead More →
Canada Asserts Itself on the World Stage He believed passionately that Canada, with 60,000 war dead, had paid the price of such recognition. … The treaty also made provision for a League of Nations, where Canada would have its own membership, providing another vehicle for the advancement of the country’sRead More →
For example, caterpillars chew their food, while moths and butterflies have siphoning mouthparts to feed on nectar. All moths and butterflies, all beetles, all true flies, and all bees, wasps, and ants go through complete metamorphosis. All of them have larval immature stages and pupal stages. Where are the prolegsRead More →
Seat your audience in FRONT of your stage and LIGHT your performers. Seat your audience CLOSE to the stage and CLOSE to one another. Don’t BLOCK your audience’s view of the stage. Set up ACTION spots away from the line of view of the stage. What is a synonym forRead More →
Butyric acid is manufactured by catalyzed air oxidation of butanal (butyraldehyde). Butyric acid is a colourless liquid, soluble in water and miscible with common organic solvents; it freezes at −7.9 °C (17.8 °F) and boils at 163.5 °C (326.3 °F). Which species produces a large amount of butyric acid fromRead More →
The Phallic Stage for Boys At the sight of, for example, the genitals of a sister, the boy will initially keep believing that he sees a penis, although small but which supposedly will grow. … This fact is understood as a result of castration, which is why the boy startsRead More →
During a video call in FaceTime, or when using video in a compatible app, open Control Center by swiping down from the top-right edge of your screen. Tap the Video Effects button . Tap the Center Stage button to turn it on or off. Does center stage only work withRead More →
One of the critical processes monitored by the cell cycle checkpoint surveillance mechanism is the proper replication of DNA during the S phase. Even when all of the cell cycle controls are fully functional, a small percentage of replication errors (mutations) will be passed on to the daughter cells. WhatRead More →
During zygotene, homologous chromosomes begin to align along their entire length by a process called synapsis that is necessarily precise. Each pair of chromosomes is held together by a ribbon-like protein and forms the synaptonemal complex. Then, during pachytene, the pairs of chromosomes become condensed and coiled. What is synapsisRead More →