Answer the following questions true (T) or false (F)

1. All substrates for ribozymes are RNA molecules.

2. During chemiosmosis, electrons are pumped across a membrane to produce ATP.

3. Glyceraldehyde 3-phosphate is an intermediate in the Calvin-Benson cycle.


1. FALSE

2. FALSE

3. TRUE

Biology & Microbiology

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Which gland is the remnant of the "third eye"?

a. pineal b. pituitary c. thyroid d. parathyroid e. thymus

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C-myc becomes an oncogene in Burkitt's lymphoma and several plasmacytomas by

A. a point mutation. B. a duplication. C. a translocation to the immunoglobulin heavy chain locus. D. a deletion of a regulatory sequence. E. stimulation by a tumor promoter.

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Unlike G-series agents, VX is:

A) not classified as a nerve agent, although its effects are similar to those produced by nerve agents. B) less lethal and persistent and is easily removed from the skin through decontamination. C) has a fruity odor, is significantly less lethal than sarin, and contains components that are easy to acquire. D) so persistent that, given the proper conditions, it will remain relatively unchanged for weeks to months.

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Transport of salts against their concentration gradients is energetically expensive.

Answer the following statement true (T) or false (F)

Biology & Microbiology