Biology, 12.03.2020 03:18 cmariecarrizales
Which of the following is true of viroids? View Available Hint(s) Which of the following is true of viroids? There are similarities between the base sequences of viroids and exons, resulting in the hypothesis that viroids evolved from exons. Viroids are short pieces of naked RNA. Viroids are typically extremely long and contain numerous genes. Viroid is the term for a virus that infects plants.
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Biology, 21.06.2019 20:00
Why do carbohydrate molecules function so well as fuel for the body?
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Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 02:00
The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.
Answers: 3
Biology, 22.06.2019 02:00
Consider the skeleton. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton
Answers: 3
Which of the following is true of viroids? View Available Hint(s) Which of the following is true of...
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