Which type of DNA makes up the largest portion of the human genome?
A) introns
B) unique noncoding DNA
C) exons
D) tandemly repeated DNA
E) interspersed repeated DNA
Answer: E
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What contribution did Charles Lyell make?
A) He found some bird specimens on the Galapagos Islands. B) He found some fossils of extinct species. C) He suggested that life evolves through physical changes within the life span of an organism. D) He provided the first evidence that the Earth is much older than was previously thought.
Which of the following statements about water is false?
A) It is the least abundant component of the cytoplasm B) It is required for cellular metabolism C) Water serves as a source of electrons and hydrogen ions D) Water acts as a solvent for chemical reactions
Describe the process of transcription in prokaryotes
What will be an ideal response?
Ethology is the study of ________
a. how animals process information b. genetic mechanisms that underlie behavior c. the adaptive value of behaviors d. how animals behave in their natural environment e. physiological mechanisms that underlie behavior