Where does the expression of a protein begin?
A) in the nucleolus
B) in the nucleus
C) in the cytoplasm
Ans: B) in the nucleus
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Answer the following statements true (T) or false (F)
1. The fins of lobe-finned fish are supported by extensions of the skeleton and are moved by muscles within the fin whereas the fins of ray-finned fish are supported by flexible, nonskeletal elements and are moved by muscles from within the fish's body. 2. Acanthostega is an important fossil for the understanding of phylogeny because it is an intermediate form between lobe-finned fishes and amphibians. 3. The formation of feathers, hair, and reptilian scales is based on completely different developmental patterns and genetic influences. 4. Some dinosaurs had feathers. 5. In previous times, birds and pterosaurs were contemporaries.
Two mobile electron carriers that are important for the electron transfer system are cytochrome c and
coenzyme Q.
Indicate whether the statement is true or false.Frances Redi disproved spontaneous generation by designing a controlled experiment where he placed raw meat in six (6) jars. He covered three jars with a fine net and left three jars open. After a short period, maggots appeared in the open jars while the covered jars had no maggots. In your opinion, what additional controls and measurements could Frances Redi have done to prove that rotting of raw meat is caused by live bacteria?
What will be an ideal response?
Natural populations cannot exceed their carrying capacities
Indicate whether the statement is true or false