As a developing country passes through the demographic transition, which of the following will occur?
A) First, its birth rate will decrease, followed by its death rate.
B) Its age structure will change, but its growth rate will remain unchanged.
C) Its growth rate will first fall, but later recover.
D) Its birth and death rates will decrease simultaneously.
E) First, its death rate will decrease, followed by its birth rate.
E
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The changes in the genetic makeup of a population over time is called _______
A. homologous recombination B. model organisms studies C. genetic crosses D. biological evolution E. hypothesis testing
Which of the following is false regarding mtDNA?
A. It is around 17,000 bp in length B. It is a linear chromosome C. Multiple copies exist in each mitochondria D. It mostly contains rRNA and tRNA genes
Experiments have shown that increased nitrogen may affect the community composition of ____ fungi
a. mycorrhizal fungi alone b. club fungi alone c. saprobic fungi alone d. both mycorrhizal and club e. both mycorrhizal and saprobic
Which of the following proteins assists during binary fission?
a. actin b. myosin c. Z disks d. FtsZ