A bacterium undergoes four rounds of replication. How many cells would result, and how many of
those cells would still have part of an original DNA strand from the starting bacterium ? What will be an ideal response?
After four rounds of replication there would be 16 cells. Of those 16 cells, only two would have an
original DNA strand.
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The study of the distribution of animals and
plants around the world is a. diversity. b. biogeography. c. ecology. d. natural history. e. environmentalism
Explain why flowers that attract flies are well-adapted to their pollinator? What will be an ideal response?
Which of the following is NOT true concerning
botulism? a. It is a type of food poisoning. b. The toxin is odorless and tasteless. c. The pathogen is a virus. d. The toxin enters motor neurons. e. Muscles become paralyzed.
Genes that are duplicated within a genome and later diverge in function, such as the RNASE1 and RNASE1B genes in douc langur monkeys, are described as ________
A) duplicated genes B) orthologous genes C) homologous genes D) paralogous genes E) derived genes