Answer: A
Explanation: Because Taq polymerase came from a thermophilic bacterium known as Thermus aquaticus found in Yellowstone National park, during PCR they should be kept at a specific temperature of 72C for maximum DNA strand replication and range of 75C-80C for optimum DNA strand replication. DONT TRUST ME im not sure
Answer:
The correct option is <em>B) Only triazine-resistant weeds survived and reproduced, so each year more pigweed was triazine-resistant.</em>
Explanation:
With time, the pigweed became resistant to triazine. As we know, according to the theory of natural selection only those species are able to survive and reproduce which are better adapted to live in an environment and adapt to the environmental changes. As the triazine- resistant weeds were better adapted survive and reproduce in the area, it began passing its resistant genes to offsprings. As a result, the population of the pigweed increases.
Answer:
Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off, thus influencing both weather and climate.
Explanation:
So that is why.
Both the Amy and Rosalie are correct.
<h3>
What is Circulatory system?</h3>
The heart, blood vessels, and blood itself circulate throughout the entire body of a human or other vertebrate through the blood circulatory system.
The blood contains of the red and white blood cells along with plasma and other substitutes of blood.
Also the blood has the function to supply the nutrients to the cells of the body along with transporting carbon dioxide to the alveoli of the lungs.
The circulatory system is a closed pack system with the involvement of various organs like the heart the lungs and plays a crucial role in maintaining the homeostasis of the body.
Learn more about circulatory system with the given link:
brainly.com/question/988206
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