Compare sirenians and cetaceans, describing 4 ways that they are similar
What will be an ideal response?
Sirenians share many similar characteristics such as reduced body hair, disappearance of hindlimbs, possession of tail flukes, possession of flippers, and a completely aquatic existence.
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Which of the following macromolecules leaves the nucleus of a eukaryotic cell through pores in the nuclear membrane?
A) DNA B) amino acids C) mRNA D) phospholipids
Which portion of the photosynthetic apparatus is involved in the oxidation or splitting of water?
A. reaction center B. antenna complex C. P680 chlorophyll D. manganese cluster E. light-harvesting complex
Which of the following features were present in the transitional species between amphibian tetrapods and the fishes?
A. fins, rounded head with eyes on the side, and a neck B. lungs, fins, and scales C. fins, simple wrist bones, and expanded ribs D. a flat head with eyes on the top, fins, and scales
The process by which genotype becomes expressed as phenotype is ________
A) gene regulation B) transcription C) gene expression D) translation