Ques:Mutations may change the structure of a chromosome or just change a single nucleotide, and mutagenic chemicals cause mutations. Given these facts, what may change the structure of a nucleotide among the following options: - oxidation reaction - adding heat - Water - Name - Mutagenic chemicals - permineralization - Air - that material's properties

Ans:Mutagenic chemicals
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Ques:Annelids have the amazing capacity to regrow segments that break off, and earthworms Earthworms are in the phylum Annelids. Given these facts, earthworms have the amazing capacity to regrow segments that: among the following options: - reproduce - tadpoles - Loose - form sand - are still attached - allow growth - break off - fungal

Ans:break off
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Ques:Ribosomes are sites where proteins are made, and ribosomes consist of ribosomal RNA and proteins. Given these facts, sites where proteins are made consist of RNA and what among the following options: - deltas - atomic waste - Acids - proteins - photosynthesis - phylum - PDAs - Joules

Ans:proteins
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Ques:Viruses often infect bacteria, and viruses Viruses are the simplest organisms known. Given these facts, what often infects bacteria among the following options: - major threat to health - h2o - simplest known organisms - Food poisoning - mercury - humans - By wind and rain - microorganisms

Ans:
simplest known organisms
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