An organism that lacks a nucleus is called a(n):
A. Prokaryote
B. Eukaryote
Answer: A. Prokaryote
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Consider the data in Fig. 46.8 illustrating the age structure of France and India. In many parts of the world, the average age of reproductive maturity is increasing as humans move from urban to rural environments
Suppose that the current average age of first reproduction is 15 years in India and 20 years in France. How would a 5-year increase in the average age of reproductive maturity in both countries be expected to affect the per capita birth rate, and would this effect be greater in France or in India? A. increase in per capita birth rate, greater effect in India B. increase in per capita birth rate, greater effect in France C. decrease in per capita birth rate, greater effect in India D. decrease in per capita birth rate, greater effect in France
What type of mutation occurred in the following? Normal allele GGAAUGAAACAGGAACCC Mutant allele GGAAUGAAAUCAGGAACCC
A. insertion B. substitution C. deletion D. frameshift
A biodiversity hotspot is a(n) :
a. protected area with few humans present. b. type of island from which humans are leaving. c. an area rich in endemic species and high in human population. d. a type of corridor to which humans are rapidly migrating. e. an area poor in endemic species in a tropical location.
What evidence led to Kirk Odom's freedom after being wrongly imprisoned for 30 years?
A) an analysis of blood types from the crime scene B) an analysis of fingerprints from the crime scene C) accounts from witnesses D) an analysis of DNA from the crime scene