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Vorticella can first be seen by the naked eye, b.ut to study it place a prepared slide under the microscope. Focus it under low power, and observe it. You can see a large number of specimens attached to aquatic plants or some object by thread-like contractile stalks. Tliey appear like tiny balloons attached by strings. Now focus tlie slide under tlie high power of the microscope, and study tlie following cliaraclers carefully:
i) Vorticella has bell-shaped body with a long slender and conitractile stalk for attachment.
ii) Tlie free broad end of tlie body is the oral end, while the opposite narrow end is the aboral end.
iii) Tlie entire body is covered by a thin pellicle and the protoplasm is clearly distinguisliable into an outer ectoplasm and an inner'endoplasm.
iv) The bell margin is fringed with a circle of cilia, while tlie central Inass forms the peristomial disc, wliicli is separated from tlie margin by a sliallow circular depression called oral groove or peristome.
v) On one side of tlie groove the peristomial groove is extended into tlie interior of tlle bell forming a vestibule or tlie buccal cavity. At tlie inner end, the vestibule opens through the cytostome into the cytopharynx.
a. If you could pick a single source of cash for your business, what would it be? Why? b. How can a business earn large profits but have a small balance in Retained Earnin
A forecasted increase in metal prices has encouraged the ABC Resource Company to consider the expansion of the capacity in one of its mine operations in Northern Ontario. For this
Find the following values for a single cash flow: a. The future value of $500 invested at 8 percent for 1 year b. The future value of $500 invested at 8 percent for 5 years
contract account formate
advanced sums
A machine costing $210,400 with a four-year life and an estimated $20,000 salvage value is installed in Luther Company's factory on January 1. The factory manager estimates the mac
Rayya Co. purchases and installs a machine on January 1, 2013, at a total cost of $105,000. Straight-line depreciation is taken each year for four years assuming a seven-year life
McDaniel Company manufactures 100-pound bags of fertilizer that have the following unit standard costs for direct materials and direct labor: Direct Materials (100 lbs. @ $1.00
Limitations of Marginal Costing
The Zooline Company (Pty) Ltd is an American based company that focuses on the LSM 8 -10 markets. They do vehicle interiors, raise or lower suspensions and install top end sound sy
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