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aksik [14]
3 years ago
6

Which is the best title for these notes? Lysosomes Vacuoles Ribosomes Mitochondria (

Biology
1 answer:
Nataliya [291]3 years ago
6 0
Ribosomes since its produce proteins maybe
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what do biologists study changes in amino acid sequence when trying to determine causes of genetic variation?
baherus [9]

Answer:

reason for studying human genetics is that it gives us a powerful tool for understanding and describing human evolution. At one time, data from physical anthropology (including information about skin color, body build, and facial traits) were the only source of information available to scholars interested in tracing human evolutionary history. Today, however, researchers have a wealth of genetic data, including molecular data, to call upon in their work.

3 0
3 years ago
The worlds most widely grown food crop is
tresset_1 [31]
<span>The worlds most widely grown food crop is </span>wheat
4 0
3 years ago
All of the following are classified as abiotic factors EXCEPT
ella [17]

Answer:

In the group of terms, the exception to abiotic factors is bacteria (option b).

Explanation:

Abiotic factors correspond to the elements of an ecosystem that are not considered alive, such as soil, wind, temperature, pH, among others.

All living beings in an ecosystem are biotic elements, including microorganisms such as bacteria. The dynamics of living beings influence the ecosystem, just as abiotic factors influence both the biotic elements and the development of the ecosystem.

6 0
3 years ago
46. The experiments that clearly showed that DNA from every organism studied had an amount of adenine equal to the amount of thy
Pepsi [2]

The given question number 48 is not complete, the complete question is:

Who utilized the process of transformation, as originally demonstrated by Frederick Griffith, to provide the first solid evidence suggesting that DNA was the genetic material of living systems (in this case bacteria)?

Messelson and Stahl

Thomas Morgan

Erwin Chargaff

Hershey and Chase

Avery, McCarty and Macleod

Answer:

The correct answer of 46 is option d, that is, Erwin Chargaff.

The correct answer of 47 is option c, that is, G0 phase.

The correct answer of 48 is option e, that is, Avery, McCarty and Macleod.

Explanation:

46. Erwin Chargaff with the help of an experiment demonstrated that the amount of adenine present within the DNA is always equivalent to the amount of thymine present, similarly, guanine is always found in equal number to cytosine. He also demonstrated that pairing is always done between pyrimidines and purines within the DNA.  

47. It is in the G0 stage, also known as the quiescent stage, where a human cell is found in the non-proliferating phase. It is also considered as the resting stage of the cell cycle in which cell gathers enough of the substances for its nourishment. When the cell moves into the G0 stage of the cell cycle, then the cell either goes to further stages of the cycle when needed or goes through the process of differentiation.  

48. To prove that DNA works as a genetic substance, the Griffith experiment was further used by Avery, McCarthy, and Macloed. The experiment was again performed on a biochemical basis. In the experiment, distinct constituents of the bacterial cell were digested with the assistance of digestive enzymes, and in the process, it was found that when digestion of DNA was done, the process of transformation failed to take place. The performed experiment was also called the biochemical assay of transformation.  

3 0
3 years ago
How can I successfully extract the dna from a strawberry in an experiment
kondaur [170]

Answer:

Chill the alcohol in the freezer.

Remove the green stems from the strawberries and add to the bag. Squish the strawberries into a pulp.

Add 1 tablespoon of dish soap, a teaspoon of salt, and 1/3 of a cup of water to the bag. Mix.

Explanation:

mark me brownest plz if helpful

6 0
3 years ago
Read 2 more answers
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