Why was it difficult ot use DNA as evidence in a crime before PCR was invented

Some bacteria cause diseases in humans and other organisms, but O A. we don't know of any archaea that are harmful. O B. viruses are unable to infect humans. O C. antibiotics can always be used to treat bacterial infections. O D.

Which of the following best describes the relationship between the shape of enzymes and the reactions they catalyze? The shape of an enzyme depends on the reaction that it needs to catalyze.

Which information would the nurse emphasize in the teaching plan for a postpartal woman who is reluctant to begin taking warm sitz baths?

Which animal from a eusocial society

9) where do the microtubules of the spindle originate during mitosis in both plant and animal cells?; a) centromere; b) centrosome; c) centriole; d) chromatid; e) kinetochore

How many trophic levels are there in the following food chain? algae mosquito larvae dragonfly larvae - trout

If you were shipwrecked on the northwest shore of the sea of okhotsk, which of these physical regions would you most likely be closest to?

Why does the nucleus have a positive charge?

Why would the solution not be considered to be in equilibrium? The solvent molecules are not all located on the right side of the container. The solute molecules are not evenly distributed throughout the solvent.

Is oil or biomass abundant