Answer:
Some substance in the infectious S strain could change the harmless R strain into the more lethal form.
Explanation:
These first type of experiments where crucial to advance in DNA knowledge.
In one experiment, they treated the material with enzymes that destroy all proteins. This is important because scientist notice that there was something else that was causing the strain to change into a lethal form and was heritable (DNA). Know a days we know that plasmids are responsible for such transformation.
I would go for 'c'. The reason being, is that it doesn't do much, and I am also assuming that offshore drilling will not affect underwater sources, which are linked to the ocean.
Answer:
This is everything that a station model shows us current weather conditions, cloud cover, wind speed, wind direction, visibility, temperature, dew point temperature, atmospheric pressure adjusted to sea level, and the change in pressure over the last three hours.
Explanation:
Plasma membrane which is also the cell membrane
Answer:
C Noise pollution
Explanation:
because organisms create noise.