A karyotype with an extra set of chromosomes indicates
A) aneuploidy.
B) polyploidy.
C) diploidy.
D) haploidy.
B) polyploidy.
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Bacterial electron transport chains may be comprised of fewer components and have lower P/O ratios than mitochondrial transport chains.
Answer the following statement true (T) or false (F)
The class of macromolecules that are primarily responsible for catabolic and anabolic activities in a cell are the
A. nucleic acids B. proteins C. lipids D. carbohydrates
You’ve heard the phrase, “Feed a cold, starve a fever,” your whole life, and you’ve always considered it dubious advice at best; after all, how are you supposed to recover from any infection if you’re undernourished? After reading this module, however, you realize that one of your organs may be following a portion of this folk remedy despite your opinion. Which statement is true?
a. In response to a cold, the capillaries surrounding the stomach constrict, reducing hunger. b. In response to a cold, the pancreas produces less insulin, causing blood sugar levels to spike immediately c. In response to a fever, the liver stops releasing iron into the blood, starving certain bacteria. d. In response to a fever, the small intestine becomes more permeable to large protein molecules.
The length of time that Darwin's round-the-world voyage took was about ________
Fill in the blank(s) with correct word