Four of the five answers listed below possess
some type of coelom. Select the EXCEPTION.
a. crustaceans
b. annelids
c. arthropods
d. mollusks
e. cnidarians
E
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The pressure required to stop water from moving across the membrane by osmosis is called
A. transport pressure. B. crenation pressure. C. atmospheric pressure. D. osmotic pressure. E. mechanical pressure.
During prophase I of meiosis
1.chromosomes condense. 2.chromosomes are aligned on the equator of the cell. 3.nuclear envelopes form in some species but not in others. 4.homologous chromosomes are separated. 5.DNA is replicated.
Impulses conducted along the muscle fiber's transverse tubules stimulate the release of calcium ions into the cytoplasm
A. from the sarcoplasmic reticulum. B. from the actin and myosin subunits. C. from the troponin. D. from the extracellular fluid in the neuromuscular junction. E. from the Z line.
In prokaryote genetics, Conjugation can be defined as the:
A. Direct transfer of DNA from one bacterial cell to another B. Use of a bacteriophage (bacterial virus) to transfer DNA between cells C. Naked DNA is taken up from the environment by bacterial cells D. Frameshift mutation