Variations in a population are produced by ________

Fill in the blank(s) with correct word

chance mutations

Biology & Microbiology

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If the DNA from a crime scene matches a suspect’s DNA at four different loci, what should be

concluded if the DNA does not match the suspect’s DNA at a fifth locus?

What will be an ideal response?

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Biology & Microbiology

Chitons, snails, clams and squid all belong to this phylum:

a. Mollusca. b. Gastropoda. c. Bivalvia. d. Platyhelminthes. e. Cephalopoda.

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Biology & Microbiology

Which specialized structure is not correctly paired with its actual function?

a. gullet ? ingestion b. cilia ? food gathering c. contractile vacuole ? digestion d. cilia ? locomotion e. micronucleus - sexual reproduction

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Biology & Microbiology

What dense storage granules in plant cells are thought to contribute to gravitropism?

A) starch B) glucose C) proteins D) chlorophyll

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Biology & Microbiology