The ________ is the part of a cell that contains DNA.
Fill in the blank(s) with the appropriate word(s).
nucleus
The nucleus of a cell contains chromosomes, which are thread-like structures made up of DNA.
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Which of the following is NOT a valid reason for defects in color vision?
a. Excessive sleeping b. Inherited c. Acquired through disease d. Acquired through injury
Which of the following would be most likely to develop after delivery of a newborn at 27 weeks gestational age?
A. Tetralogy of Fallot B. meconium aspiration C. Coarctation of the aorta D. PPHN
Which class of hormones is NOT synthesized and secreted by the adrenal cortex?
A) Androgens B) Catecholamines C) Mineralocorticoids D) Glucocorticoids
When the technician performs a routine quality control on a point-of-care instrument, one of the two levels of control is out of range. What is the most appropriate next step?
A. Run all patient specimens and then repeat the control. B. Repeat the control after verifying expiration date and proper handling. C. Run only the STAT tests and rerun the control later. D. Throw out both controls and start all over again.