The DNA material found in each person is unique, no two individual have the same type of DNA material. Because of the differences in the DNA molecule of individuals, the restriction enzyme recognition sites are also different too. Restriction enzyme recognition sites refer to the different locations on a DNA molecule which contain specific base pair nucleotide that are recognized by restriction enzymes.<span />
The <u><em>correct answer</em></u> is:
He needs to select a more representative sample.
Explanation:
Choosing students from the basketball team for the sample he uses on a study of heart rates and exercise will be a biased sample. This is because students on the basketball team are potentially healthier than other students, which means that exercise will not have a large an effect on their heart rate as it would if they were not as healthy and not as physically fit.
In order to reduce the amount of bias, he should choose students from different groups throughout the school.
Answer:
b. less
Explanation:
Dogs have been bred to live in a man-generated environment: they are particularly adept at reading human social cues.
The talents with which they excel - understand when they point to something or identify objects - are largely the result of humans having spent thousands of years educating them to understand important concepts for us.
We have molded them according to our definition of intelligence.
On the other hand, dolphins have developed their cognitive abilities in a world not altered by humans.
Even so, they seem intelligent because their complex social behavior reminds us of ourselves.
Dolphins are perhaps non-primate animals more similar to humans, and that is why we consider them intelligent.
But a dolphin's brain has evolved to produce behavior that helps it deal with dolphin problems.
That includes the ability to find fish buried in the sand with echolocation or sleep with only one half of the brain at a time to get to breathe to the surface.
Another factor is the hereditary lineage from which living beings come. Canine animals have a genetic lineage much closer to humans than dolphins.
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching. ... This is called coral bleaching. When a coral bleaches, it is not dead. So basically diuron is stressing the plants.
