The coelacanth (Latimeria) is ________
a. an Australian lungfish
b. an extinct lobe-finned fish
c. the only living lobe-finned fish
d. an early amphibian
c
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Membrane-enclosed organelles, such as nuclei, lysosomes, endoplasmic reticulum, mitochondria, and chloroplasts,
A) form specialized compartments within eukaryotic cells for specific functions to occur. B) increase the structural complexity of eukaryotic cells. C) help large eukaryotic cells overcome the limitations of diffusion imposed by their large cell size. D) increase structural complexity, help eukaryotes overcome diffusion limitation due to their size, and form specialized environments for specific functions to occur.
Predict the outcome of protein synthesis if a gene undergoes a mutation in its anticodon region where a charged tRNA recognizes a nonsense mutation.
A. Transcription and translation both would not continue. B. Transcription would continue but translation would not continue. C. Transcription and translation both would continue. D. Transcription would continue but translation would not continue.
Removing a nucleosome from DNA to expose a promoter is an example of ____
a. induction b. dedifferentiation c. post-transcriptional regulation d. gene silencing e. chromatin remodeling
The spermatid is cell number
a. 2. b. 3. c. 4. d. 5. e. 6.