________ are the mammals with the greatest number of species
A) Primates B) Marsupials C) Whales D) Rodents E) Bats
D
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Match the following items with the correct phrases.
_______1. A protein that plays a role in DNA replication. _______2. The end product of transcription. _______3. A protein that plays a role in transcription. _______4. The location of codons. _______5. The location of anticodons. _______6. An integral part of ribosomes, whether or not they are participating in protein synthesis. _______7. Produced in the nucleolus of eucaryotic cells. _______8. The molecule responsible for “activating” amino acids, thus enabling them to be added to the growing polypeptide chain. a. DNA polymerase b. RNA polymerase c. mRNA d. rRNA e. tRNA
One advantage of sexual reproduction over asexual reproduction is that:
a. sexual reproduction is faster. b. sexual reproduction is less difficult to achieve. c. sexual reproduction is particularly effective for sessile animals. d. sexual reproduction promotes genetic diversity. e. sexual reproduction produces genetically identical offspring.
Females of various species shop around for males that _____.
A. are nomadic B. are highly selective C. are silent and strong D. make showy displays E. have a large family
What is the main function of the molecule shown in the figure above?
A. Chemical messenger B. Energy currency C. Hereditary information D. Metabolism of fats E. Protein synthesis