The alpha, beta, and delta cells located in the islets of Langerhans of the thyroid produce three different hormones that are important in the regulation of sodium and potassium levels of the blood
Indicate whether the statement is true or false
FALSE
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A covalent chemical bond is one in which _____
A) electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged B) protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms C) outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals D) outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom E) electrons from the same atom, but opposite spins, are paired
What is a major advantage of using a modifier screen as opposed to a primary screen?
A) Modifier screens can be used to identify pleiotropic genes. B) Modifier screens are easier to perform. C) Modifier screens use a random selection of flies based on their morphology and therefore should identify all genes involved in development. D) Modifier screens are performed with chemically mutagenized flies so all genes that affect development should be identified more rapidly than screening for spontaneous mutants.
What phase does it occur when spindle apparatus appears?
What will be an ideal response?
RNA molecules with 5' cap and poly A tail are most likely
A. Prokaryotic tRNA B. Eukaryotic mRNA C. Prokaryotic rRNA D. Prokaryotic mRNA E. Eukaryotic tRNA