Type O blood is missing both anti-A and anti-B antibodies

Indicate whether this statement is true or false.


TRUE

Biology & Microbiology

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Average human males are most likely to be attracted to women with a waist to hip ratio of 0.72.  Women with this waist to hip ratio are also the most fertile.  By being attracted to women with a waist to hip ratio, a male is increasing his chances of having children and thus improve his ____ .  

A.  longevity B.  gene flow C.  fitness D.  allele frequency

Biology & Microbiology

Changes in climate have mostly delayed the spring behaviors of plants and animals

Indicate whether the statement is true or false

Biology & Microbiology

During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.

a. true b. false

Biology & Microbiology

In humans, beef tapeworm infestations are acquired by ingesting

A) the eggs of Taenia saginata. B) segments of Taenia solium tapeworms. C) water contaminated with Diphyllobothrium latum eggs. D) cysticerci of Taenia saginata in undercooked meat. E) cysticerci of Taenia solium in undercooked meat.

Biology & Microbiology