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Tanya [424]
3 years ago
6

Summarize how Hershey and chase confirmed that dna is the genetic material

Biology
1 answer:
Ierofanga [76]3 years ago
5 0

He labeled the protein of bacteriophages with radioactive sulfur and their DNA with radioactive phosphorus. The bacteriophages were allowed to infect bacteria.

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Discuss ecological pyramids, use tropic levels to discuss this process of heat loss.
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Answer:

Energy pyramids is representation of food chain where producers lie at the base of pyramid followed by primary, secondary and tertiary consumer. A tertiary consumer lies at the top of the energy pyramid .

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An ecological pyramid is a chronological arrangement of organism in which the organism producing the food lies at the base of pyramid and remaining all organism lie above it.

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The porphyrin ring of chlorophyll contains the element ___ and the role of the ring is to
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3 years ago
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Assume that a cross is made between AaBb and aabb plants and that the offspring occur in the following numbers: 106 AaBb, 48 Aab
Elenna [48]

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linkage with approximately 33 map units between the two gene loci

Explanation:

If two genes are not linked, number of recombinants and parental offspring will be equal. Here it is clearly visible that recombinants are less than parental offspring hence the genes are linked. Given, the offspring are in following numbers:

AaBb = 106 = Parental

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Hence, these results are consistent with linkage with approximately 33 map units between the two gene loci

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3 years ago
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