Answer:
A phospholipid contains a phosphate group, two alcohols, and one or two fatty acid chains
Explanation:
Answer:
The conservation of “junk DNA” sequences in diverse genomes suggests that they have important functions.
Explanation:
Transposons move by means of a DNA intermediate, whereas retrotransposons move by means of an RNA intermediate.
Answer:
There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection.
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Answer:
covalent bonds
Explanation:
Nucleotides are joined together by covalent bonds between the phosphate group of one nucleotide and the third carbon atom of the pentose sugar in the next nucleotide.
