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antiseptic1488 [7]
3 years ago
13

Genetic transfer refers to a. how Archaea dissolve in extreme environments and transfer their DNA to other prokaryotes. b. how B

acteria evolve new genes through spontaneous mutations. c. how prokaryotes increase genetic variation. d. all of the above
Biology
1 answer:
Artemon [7]3 years ago
8 0
The answer is (d.) All of the above.
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What happens during the light reaction of photosynthesis?.
Genrish500 [490]

Answer:

Chlorophyll absorbs the red and blue segment of the white light and photosynthesis occurs most efficiently at these wavelengths.

When the light falls on the plant, the chlorophyll pigment absorbs this light and electrons in it gets excited.

This process occurs in a complex protein system which is collectively called as a photosystem.

Explanation:

3 0
2 years ago
Before returning to the heart, blood from the digestive tract first passes through the..
loris [4]

Answer: Liver

Explanation:

The hepatic portal system of liver connects the capillaries of the gastrointestinal tract to the liver. The nutrient rich blood from the gastrointestinal tract reaches the liver.

The blood that is returned back to the heart is first bought to liver and then it is returned back to the heart.

From the liver after processing the blood goes into heart for further processing.

Hence, the correct answer is option d

7 0
3 years ago
The estimated density or number of individuals needed for a species to maintain or increase its numbers in a region is the _____
AURORKA [14]

Answer:

The given blank can be filled with minimum viable population.

Explanation:

The MVP or the minimum viable population refers to the lowest number of individuals or the minimum density of the population of a species that can thrive in a specific region. The term is generally used in the fields of ecology, biology, and conservation biology.  

The minimum viable population refers to the smallest probable size at which the population can prevail without encountering extinction due to demographic or natural disasters, genetic, or environmental stochasticity. Generally, MVP is utilized to signify towards a wild population, however, it can also be utilized for ex-situ conservation.  

7 0
3 years ago
A peptide has the sequence of Gly-Ser-Glu-Leu-Ala-His-Gly-Arg-Leu-Ala-PheCys-Leu. (pKR=4.25, 6.0, 8.2, 12.5. Assume pKa’s of ami
Aloiza [94]

Answer:

The correct answer is option a. "7.1".

Explanation:

One easy way to determine if a peptide sequence is acidic, basic or neutral is to check for the number of amino acid residues that are acidic, basic or neutral. In this case, most amino acid residues are neutral, which mean that under neutral conditions they have a pKa close to 7.0. Particularly, the content of 3 leucine, 2 alanine and 2 glycine residues determines that the peptide have a pI of around 7.1.

8 0
3 years ago
(GT.03] The theory of Natural Selection was accepted after it got consensus from
romanna [79]

The theory of Natural Selection was accepted after it got consensus from

scientists.

<h3>What is natural selection?</h3>

The theory of Natural selection defines the process in which individuals who adapts to their environment survives and reproduce more offspring.

  • This theory was proposed by a scientist called Charles Darwin and Alfred Russel Wallace who also had the idea of evolution.

  • This two scientist work together to publish a book on new evolutionary theory titled On the Origin of Species (1859). This is because they believed evolution occur through natural selection.

In this theory, organisms produce offspring but not all offspring survive this because they all struggle to live.

survival is based on survival of the fittest. some of those who survive can reproduce their kind while some do not grow to maturity and are loss.

Therefore, The theory of Natural Selection was accepted after it got consensus from scientists.

For more details on Natural selection please check the link below.

brainly.com/question/23929271

4 0
2 years ago
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