Which of the following organelles are associated with the job of cellular digestion?
A. Lysosomes and peroxisomes
B. Golgi apparatus and vesicles
C. Nucleus and nucleolus
D. Smooth and rough endoplasmic reticulum
Ans: A. Lysosomes and peroxisomes
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A bacterium containing ________ provided with hydrogen peroxide will produce oxygen bubbles
A) catalase B) superoxide dismutase C) superoxide reductase D) peroxidase
Summarize the scientific and ethical advantages and disadvantages of using embryonic stem cells versus adult stem cells for stem cell therapies
What will be an ideal response?
A sac fungus is exposed to a mutagen, and it mutates so that it cannot produce a functional ascocarp. The most likely consequence is
A. this is a vestigial structure, so there is no consequence. B. fruiting bodies would not occur. C. asexual spores would not be produced. D. lichens could not form. E. cellular metabolism could not occur.
Recommendations regarding hand-washing, handling of pipettes and sharps, prohibition of personal activities such as eating, applying makeup and handing contact lenses, directions regarding decontamination of work surfaces, cultures, and other potentially infectious material are all included in a set of guidelines known as ________.
What will be an ideal response?