Which type of country has nearly equal proportions of young and middle-aged people?
a. economically underdeveloped
b. countries in Asia
c. stable populations
d. countries experiencing famine
c. stable populations
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Hypotheses must be ________.
A. testable B. repeatable C. falsifiable D. All of the above are important characteristics of hypotheses.
How is a single strand of DNA able to serve as a template for the synthesis of another strand?
a. Nucleotides pair with those of the original strand to form a new strand. b. Hydrogen bonds holding the two strands together are easy to break, allowing one strand to be a template. c. A single strand of DNA is not able to serve as a template. d. One strand of DNA directs the synthesis of a new strand on its partner. e. Both the pairing of nucleotides and the breaking of hydrogen bonds.
A genetic strategy that starts with knowing the DNA sequence and works toward identifying an associated phenotype is known as ________
Fill in the blank(s) with correct word
Millions of years ago, the activity of which cellular organelle would have been dependent upon the
presence of cyanobacteria? a. Golgi b. nucleus c. ribosome d. endoplasmic reticulum e. mitochondrion