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zaharov [31]
1 year ago
10

A chemical change occurs when.

Biology
1 answer:
Alenkasestr [34]1 year ago
8 0

Answer:

Im not 100 percent sure but I think C because a chemical change occurs when the chemical has broken composure so I think its C.

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As a scientist, you seek to prove that DNA is the hereditary macromolecule by replicating the Hershey-Chase experiment. You cult
weeeeeb [17]

Answer:

The correct answer is option e. "None of the above".

Explanation:

The Hershey-Chase experiment helped to prove that DNA was the genetic material, by specifically labeling the DNA material of a bacteriophage with phosphorus-32. In this experiment the lambda phage is labeled with heavy and light Cl. CI-36, the one that is heavy and radioactive, corresponds to Chlorine-36. Chlorine is not an element found in DNA such as phosphorus, therefore lambda DNA will not be labeled and no radioactivity will be detected.

6 0
3 years ago
What are the values in biological education ​
Scorpion4ik [409]

Answer:

Education has the greatest value. All those activities that are good, useful and valuable from educational point of view are considered as educational values. Ruskin, “Education does not mean teaching people to know that they do not know, it means teaching them to behave as they do not behave”.

Explanation:

6 0
3 years ago
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scoundrel [369]
Answer is….drumroll please A
6 0
2 years ago
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What is a trait that probably has a complex pattern of inheritance ?
kumpel [21]
An example of a complex trait is weight.

Complex trait or quantitative trait is a trait that doesn’t behave according to simple Mendelian inheritance laws. These traits show a continuous range of variation and are influenced by both environmental and genetic factors. It is often said that complex traits<span> are those that are influenced by more than one factor.</span>

8 0
3 years ago
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Variation in a trait is a required condition for natural selection to act on a population for that trait. Assuming a population
iVinArrow [24]

Answer:

1. Mutation

2. Epigenetics

Explanation:

1. Mutation occurs when there is a change in an organism's DNA sequence as a result of mistakes in DNA replication or as a result of environmental factors like smoking. The mutation in a single organism can be passed on to other generations hence causing a genetic variation in the population, this obeys the Darwin's law that inherited traits (genetic) are passed on to other generations

2. Epigenetics are changes in gene expression that doesn't involve changes in the DNA sequences unlike mutation. This changes can be passed on to other generations and hence cause a variation in the population. This obeys the Lamarckian evolution that acquired traits are passed on to other generations.

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.

7 0
3 years ago
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