Their sex chromosomes or gender doesn't play a role in determining whether the cancer is from exposure to carcinogens. usually,an abnormality in sex chromosomes leads to hereditary type cancers inherited fro their parents, but with carcinogens they dont have a very major role to play with.Rest 3 options would surely determine an individual getting cancer from carcinogen.
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❖ The second type of cells is Eukaryotic.
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Answer:
D
Explanation:
Environmental unity means that everything is connected to each other and affects each other. Here, the wooded area affects the river, which affects the flooding.
<h2>Answer:</h2>
<u>Energy flows from the producer level to the consumer level.</u>
<h2>Explanation:</h2>
In any ecosystem, Producers are those species which make their own food. The best example is any kind of green plant. Green plants make their food by taking sunlight and using the energy to make sugar. On the other hand The organisms that obtain their energy from other organisms are called consumers. All animals are consumers, and they eat other organisms. So we can see that energy always flows from producers to consumers.
Answer:
A) One band of intermediate density and one band of heavy density.
Explanation:
According to semi conservative model of replication the two DNA strands separate during replication such that the new DNA molecule has one parental strand and one new strand. In this experiment, originally E.Coli cells were grown in 14N medium so all the DNA strands had 14N. When the medium was changed to 15N, only 15N would be available to the cells for replication.
After first round of replication all DNA molecules would be of intermediate density as one strand would be old 14N strand and another would be new 15N strand. After second round of replication 15N strand would be formed from both 14N strand and 15N strand. So, one band will be formed of intermediate density (14N-15N) and another would be of heavier density (15N-15N).
