Which of the following is NOT true about naked mole rats?
A. They can survive in burrows with high levels of carbon dioxide.
B. They seem to be resistant to getting cancer.
C. They often live for 30 years.
D. Their cells do not produce telomerase.
Answer: D. Their cells do not produce telomerase.
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The number of linkage groups in a species that does not have sex chromosomes is:
A. 1n B. 1n + 1 C. 2n D. 2n + 2
The above diagram is an example of ____
a. a closed circulatory system with one heart b. an open circulatory system with one heart c. a closed circulatory system with a three-chambered heart d. an open circulatory system with a two-chambered heart e. a closed circulatory system with a four-chambered heart
Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of the complementary strand?
A) ACGGCTTAAG B) AGGCCTAATG C) CTTAAGCCGT D) GAATTCGGCA
Mitochondrial and chloroplast genomes typically
A) are composed of primarily noncoding DNA. B) encode all of the proteins needed for aerobic respiration and photosynthesis, respectively. C) encode for ribosomal and transfer RNAs. D) encode some of the proteins needed for aerobic respiration and photosynthesis, respectively. E) encode some of the proteins needed for aerobic respiration and photosynthesis, respectively, as well as ribosomal and transfer RNA.