The release of acetylcholine into the neuromuscular junction is shortly followed by the release of ________ ions from the sarcoplasmic reticulum

Fill in the blank(s) with correct word


calcium

Biology & Microbiology

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In eucaryotic cells, what are the sites of photosynthesis?

A) mitochondria B) plasmids C) plastids D) ribosomes

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A tissue sample is sent to the laboratory and microscopically examined for the presence of amebae. To differentiate between the host cells and the organism, _______ stain is used to allow the organisms to appear bright pink with a green-blue background

a. Trichrome b. Giemsa c. Wright's d. periodic acid–Schiff (PAS)

Biology & Microbiology

Which of the following ECG tracings represents electricity flowing over the ventricles?

a. P wave b. QRS wave c. T wave d. P-Q interval e. S-T interval

Biology & Microbiology

Which phase comes immediately after cleavage?

a. fertilization b. organ formation c. gastrulation d. gamete formation e. tissue specialization

Biology & Microbiology