Boiling is not reliable for sterilization because

A.
heat-sensitive instruments may be destroyed.

B.
heat-resistant endospores are unaffected.

C. water boils at a higher temperature at lower altitudes.
D. viruses are more sensitive to heat than bacteria.


B

Biology & Microbiology

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You are given an embryo with eight cells and you carefully separate them and allow them to develop in separate containers. Each of the cells forms a complete embryo that develops normally into an adult animal. How would you categorize your animal?

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Biology & Microbiology

The home range of an animal is always defended

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following are exceptions to the universal genetic code that is used by most organisms? 

A. Pyrrolysine B. Selenocysteine C. Lysine D. Phenylalanine E. Stop

Biology & Microbiology

Which of the two viral phylogenies below shows the signature of a recent rapid population expansion? Justify your answer in one or two sentences

What will be an ideal response?

Biology & Microbiology