Question 2: what two substances make the backbone of the
dna molecule? *
adenine and thy...
Biology, 26.09.2019 20:30 dinalavecc59341
Question 2: what two substances make the backbone of the
dna molecule? *
adenine and thymine
cytosine and guanine
sugar and phosphate
adenine and uracil
Answers: 1
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Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit
Answers: 1
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When can exponential growth happen? a: when there are limited resources b: when carrying capacity is reachedc: when there is no competition d: when the death rate is high
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Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern’s leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon?
Answers: 2
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