A point mutation that now codes for the wrong amino acid is called a:

A. missense mutation.
B. nonsense mutation.
C. silent mutation.
D. frameshift mutation.


A

Biology & Microbiology

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The best animal models for xenotransplantation of organs into humans are the nonhuman primates, such as chimpanzees and baboons

a. True b. False Indicate whether the statement is true or false

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The outermost, weight-bearing part of limb bones is made up of ____

a. spongy bone b. compact bone c. yellow marrow

d. red marrow e. connective tissue

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The current extinction rate is estimated to be at least how much greater than the background extinction rate?

a. 2 b. 5 c. 10 d. 50 e. 100

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Which of the following fungal divisions do not have septa?

A. Basidiomycota B. Deuteromycetes C. Zygomycota D. Ascomycota E. both Basidiomycota and Deuteromycetes

Biology & Microbiology