A karyotype with an extra set of chromosomes indicates

A) aneuploidy.

B) polyploidy.

C) diploidy.

D) haploidy.


B) polyploidy.

Biology & Microbiology

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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)

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology

The length of time that Darwin's round-the-world voyage took was about ________

Fill in the blank(s) with correct word

Biology & Microbiology