What are mitochondria
What will be an ideal response?
Answer: membrane-bound organelles in plant and animal cells that transform energy for the cell.
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Of the following sequences, which shows the correct molecules through which electrons flow when delivered to the electron transport system by NADH?
A) complex I, cytochrome c, complex III, coenzyme Q, complex IV, oxygen B) complex I, coenzyme Q, complex III, complex IV, oxygen C) complex I, coenzyme Q, complex IV, cytochrome c, oxygen D) complex I, coenzyme Q, complex III, cytochrome c, complex IV, oxygen E) complex II, coenzyme Q, complex III, complex IV, oxygen
You have identified a novel cytoplasmic protein. Through sequence analysis you are able to identify the presence of a number of serine/threonine phosphorylation motifs. Based on these data, you hypothesize that this protein may be a substrate for what kind of enzyme?
A. a protein kinase B. a G protein-coupled receptor C. a phospholipase D. a tyrosine phosphatase E. a receptor tyrosine kinase
Transcription:
A) is the final process in the assembly of a protein. B) is catalyzed by DNA polymerase. C) is the synthesis of RNA from a DNA template. D) occurs on the ribosome. E) occurs in the cytoplasm.
What is the consequence of a deleterious mutation becoming fixed in a population?
a. Muller's ratchet will automatically move an additional turn. b. Recombination cannot remove the mutation. c. Mating between unrelated individuals can produce offspring that does not carry the mutation. d. Muller's ratchet may move an additional turn. e. B and D.