Which of the following processes is not thought to contribute to diversity in the genome of human individuals?
(a) exon shuffling
(b) single-nucleotide polymorphisms
(c) CA repeats
(d) duplication and deletion of large blocks of sequence
(a)
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Some organisms are not able to live in an environment where there is oxygen; these types of organisms
are called obligate anaerobes. Which of the following proposals is the most likely for how they survive without oxygen?
a. They are able to survive using less energy than aerobes. b. All of their ATP is imported into the cell from an external source. c. Sulfur is used instead of oxygen because it is chemically similar. d. These organisms use photosynthesis to produce energy. e. Their mitochondria are damaged, and consequently they are short-lived.
Which taxonomic classifications are correctly ordered from general to most specific?
a. subspecies, species, genus, family, phylum, class, order, domain, kingdom b. kingdom, phylum, domain, class, family, order, genus, species, subspecies c. domain, kingdom, phylum, class, order, family, genus, species, subspecies d. domain, kingdom, phylum, order, class, genus, family, species, subspecies
Secondary succession occurs
a. after a fire. b. on a new volcanic island. c. on bare rock. d. on land exposed as a glacier retreats. e. none of these
The color changes associated with a healing bruise can be attributed to the breakdown of heme groups to ________
Fill in the blank(s) with correct word