The first part of the small intestine is the

a. duodenum.
b. ileum.
c. colon.
d. cecum.
e. jejunum.


A

Biology & Microbiology

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The presence of a nonmutant gene on one chromosome often masks the effect of a mutant allele for that same gene on its homologous chromosome

A. true B. false

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A bacterial "bloom" is:

A. the reproductive parts of bacteria B. malformation of flowers caused by bacterial infections C. unusual coloring of the water of lakes, ponds, or the sea caused by high numbers of bacteria D. souring of milk caused by bacteria E. swelling of a wound because of bacterial infection

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The Hardy-Weinberg formula is used to calculate changes in ____

a. population sizec b. speciation c. allele frequencies d. mutation e. dimorphism

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If the human reproductive cycle only included diploid cells, the offspring of each generation would have twice as much genetic material in each cell as the parent cells.

a. true b. false

Biology & Microbiology