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Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Features of normal metaphase chromosomes. Features of normal metaphase chromosomes.
A map of the 12 tomato chromosomes A map of the 12 tomato chromosomes
Mutation of chromosomes Mutation of chromosomes
Chromosomes and the DNA molecule Chromosomes and the DNA molecule
(a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I (a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I
Genes on chromosomes Genes on chromosomes
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

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