What does the endosymbiont theory explain
What will be an ideal response?
the origin of mitochondria and chloroplastst
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Some of the largest naturally occurring plasmids occur in the
A) methanogens. B) genus Thermoplasma. C) extreme halophiles. D) genus Picrophilus.
The enzyme that inserts the correct bases in a growing nucleotide chain in a replicating DNA molecule is
A) RNA polymerase. B) DNA ligase. C) DNA polymerase. D) helicase.
In garden peas, one pair of alleles controls the height of the plant, and a second pair of alleles controls flower color. The allele for tall (D) is dominant to the allele for dwarf (d), and the allele for purple (P) is dominant to the allele for white (p). A tall plant with white flowers crossed with a dwarf plant with purple flowers produces 1/4 tall purple, 1/4 tall white, 1/4 dwarf purple, and 1/4 dwarf white. What is the genotype of the parents?
A. Dd Pp x Dd pp B. Dd Pp x Dd Pp C. DD Pp x dd Pp D. Dd pp x dd Pp E. DD Pp x dd pp
Which of the following storage methods do not inhibit bacterial growth?
A) Preventing contact between food and rats B) Allowing contact between food and flies C) Temperature (either hot or cold) D) Chemical preservatives