which foods good source of fiber
What will be an ideal response?
whole grains, beans, peas
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Why do mitochondria and chloroplasts have small genomes?
A. They have small genomes because their bacterial ancestors did. B. They have small genomes because they do not need many genes to function. C. They have small genomes because they lack non-coding DNA. D. They have small genomes because over time, much of their nucleic acid has migrated to the host cell nucleus.
You get up in the middle of the night to get a drink of water and stub your left toe on the
dresser. You reach down to rub your toe with your right hand. The sensory input from this activity is received by the __________ side of the brain, and the motor output involved with rubbing your toe is controlled by the __________ side of the brain.
a. right; left b. left; right c. right; right d. left; left
Technique of using plasmid DNA to insert another species DNA into a bacterium or plant is called ________ transfer
Fill in the blank(s) with correct word
Choose the true statements about molecular clocks.
A. Ultimately, all molecular clocks depend on the rate of DNA mutation and DNA repair mechanisms. B. The rate of a molecular clock for a given DNA character might vary depending on how constrained the character is by natural selection. C. Molecular clocks can be calibrated using fossil evidence. D. All molecular clocks tick at the same rate.