Radioisotopes
a. are unstable and emit energy and particles to stabilize themselves.
b. are different elements from the "standard" elements.
c. are very stable and do not change over time.
d. contain more electrons than the "standard" element.
e. contain less electrons than the "standard" element.
A
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The Krebs cycle takes place in the
a. ribosomes. b. cytoplasm. c. nucleus. d. mitochondria. e. chloroplasts.
Scanning the whole genome of every infectious agent in a patient sample and comparing that to known genome sequences maintained in libraries would be the most accurate and efficient way to diagnose disease. We are moving closer to this becoming a reality largely because
A. the cost of high throughput genetic analysis has plummeted in recent years and continues to decrease. B. gene libraries have greater accessibility. C. multiple organisms have the same genome so it will minimize the number of screenings necessary. D. more people are being trained in high throughput genetic analysis.
Which organelle is required for producing ATP for cellular work?
A) nucleus B) vacuole C) Golgi apparatus D) mitochondria E) chloroplast
In vertebrates, most of the fluid that ultimately exits the body as urine first enters the nephron tubules by the process of ________.
A. reabsorption B. secretion C. absorption D. excretion E. filtration