Answer:
X is horizantal and Y is vertical
Explanation:
Stress can cause a virus to switch from the lysogenic cycle to the lytic cycle.
Answer:
They include: mutations in transcription factors and signalling proteins; mutations in factors that regulate the methylation of DNA and associated histone proteins; mutations in the protein complex cohesin, which regulates chromatin structure; and mutations in proteins involved in splicing
Explanation:
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Answer:
Birds and bats have homologous limbs because they are both ultimately derived from terrestrial tetrapods, but their flight mechanisms are only analogous, so their wings are examples of functional convergence.
