The bacteria that today are most similar to chloroplasts are
A. thermoacidophiles.
B. methanogens.
C. nonsulfur purple bacteria.
D. cyanobacteria.
Answer: D
You might also like to view...
Which of the following might be a result of adding a secondary consumer to the aquatic ecosystem illustrated above?
A) a decrease in the number of primary consumers B) a decrease in the population of decomposers C) an increase in atmospheric carbon dioxide D) an increase in the population of scavengers E) a decrease in the carbon sink
The process that merges the gametes from two parents is
A. fertilization. B. conjugation. C. meiosis. D. mitosis. E. parthenogenesis.
The cell walls of fungi are composed mainly of
a. hyphae. b. cellulose. c. chitin. d. phospholipids. e. mycelia.
If alleles L, M, and N are on the maternal
chromosome and l, m, and n are on the paternal chromosome, the only way that a gamete from a heterozygote will produce a gamete with alleles l, m, and N is through a. nondisjunction. b. the laws of segregation. c. the law of independent assortment. d. crossing over. e. chromosome aberration.