What are the three animal phyla that dominate animal life on land?
A. Cnidaria, Mollusca, Platyhelminthes
B. Porifera, Arthropoda, Nematoda
C. Nematoda, Chordata, Cnidaria
D. Mollusca, Arthropoda, Chordata
E. Platyhelminthes, Nematoda, Arthropoda
D. Mollusca, Arthropoda, Chordata
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Scientists first focused on gene regulation at the level of translation, rather than transcription, because more was known about protein than nucleic acids at the time.
Answer the following statement true (T) or false (F)
Nuclear envelopes reform during _____
a. prophase b. telophase c. interphase d. anaphase e. metaphase
Signal transduction pathways
A) are found strictly in multicellular organisms, which require cell-to-cell communication. B) originally evolved in vertebrates. C) are mechanisms of communication that probably evolved in ancient prokaryotes.
The cells released from reproductive structures such as mushrooms that can develop into a new organism without fusing with another cell are called ________
Fill in the blank(s) with correct word