Mitochondria and hydrogenosomes are similar in that they both
A) are the site of energy production in eukaryotic cells.
B) evolved via endosymbiosis of bacterial cells.
C) are the site of aerobic respiration.
D) evolved via endosymbiosis and are sites for aerobic respiration and energy production.
Answer: A
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Chronic lymphatic leukemis is diagnosed through bone marrow biopsy, CBC, peripheral smear, or the muddling of _____ with a solution to screen for CD markers.
Fill in the blank(s) with the appropriate word(s).
All of the following describe characteristics of sclerenchyma cells, except which?
A. Their secondary walls may be impregnated with lignin. B. Their function is primarily to transport oxygen and carbon dioxide throughout the leaf. C. They have thick, tough secondary walls. D. They lack living protoplasts when mature. E. They form fibers and sclereids.
What is the proper order of events in the expression of a eukaryotic protein?
A) DNA unpacking, mRNA transport through nucleus, mRNA splicing, protein modification B) DNA unpacking, mRNA splicing, translation, protein folding C) transcription, translation, addition of cap and tail to mRNA, DNA unpacking D) transcription, mRNA splicing, protein modification, translation
When runoff containing excessive nutrients enters streams and lakes it can result in an overgrowth of cyanobacteria and algae, a process known as
A. eutrophication. B. oxidation. C. fixation. D. ammonification. E. both ammonification and fixation.