Which type of mutation can cause a change in the coding sequence?
a. silent mutation
b. insertion
c. deletion
d. nonsense mutation
e. All of the above
Ans: e
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The scientific study of fossils and what they reveal about prehistoric life in relation to ancient climates and environments is
A. paleontology. B. comparative molecular biology. C. biogeography. D. geology.
While examining a human cell that functions normally, you determine that it has 45 functional chromosomes and one chromosome that is almost completely inactive. You immediately decide that it is very likely that this cell ________
A) came from a normal human female B) is lacking a chromosome C) is a gamete D) will become cancerous if one or two more genes are mutated
The flagella of archaea are similar to bacterial flagella but differ in that they
A) lack a basal body. B) move like a whip. C) are anchored in the cytoplasm. D) are hollow. E) are driven by ATP hydrolysis.
The cardiac muscle is supplied with nutrients from the blood within the heart itself.
Answer the following statement true (T) or false (F)