Answer:
C. Nucleic Acids arranged in a double helix.
Explanation:
The structure of DNA is best described as a double helix. DNA has a sugar phosphate back and nucleotides connected by covalent bonds. Together, it looks like a twisted ladder which is also known the double helix.
It is a chemical process which enables heterotrophs to obtain energy without oxygen.
Answer:
D. 12cm
Explanation:
there are 8 A1, C1 and so on alleles there, this will be 8 cm and there are about 8 a2 and so on alleles, this will be 4cm.
8 + 4 = 12cm
Answer:
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Explanation:
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