What are maternal mRNA granules and what is their purpose?
What will be an ideal response?
Ans: Maternal mRNA granules are mRNA-containing particles found in the oocytes of many organisms. They contain mRNAs that are translationally repressed that can be triggered to be translated at appropriate points in development.
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Which of the following would NOT strongly
associated with the word "acid"?
a. excess hydrogen ions b. magnesium hydroxide c. contents of the stomach d. HCl e. pH less than 7
Where are sugars formed in the chloroplasts?
a. on the outer membrane b. on the inner membrane c. in the thylakoid compartment d. in the stroma e. within the thylakoid membrane
In eukaryotes, gene amplification is ________ and may occur when ________
A) the creation of multiple copies of the same gene; a large amount of the gene product is required for cell function B) a sudden increase in transcription of a gene; a large amount of the gene product is required for cell function C) a sudden increase in translation of a mRNA; a large amount of the gene product is required for cell function D) the creation of multiple copies of the same gene; transcription and translation are suppressed E) a sudden increase in transcription of a gene; translation is suppressed
Which of the following is an ascomycete fungus associated with bat droppings that can cause a respiratory infection if inhaled?
A) Candida albicans B) Histoplasma capsulatum C) Rhizopus stolonifera D) Trichophyton rubrum