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2 years ago

How are complementary strands of DNA held together?

Biology

2 answers:

Alekssandra [29.7K]2 years ago

6 0

The answer to this is a

MissTica2 years ago

5 0

with hydrogen bonds connecting cimilk6

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Which of the following are contributing factors to the extinction of species?

meriva

Answer:

Deforestation

Climate Change

Invasive Species

Explanation:

Seventy percent of the Earth's plant and animals dwell in forests, and deforestation affects them directly. Once their habitat is lost, they are on their way to extinction.

Climate change also causes extinctions not only as a result of species intolerance to high temperature, but more commonly via a variety of related factors that alter a species’ interactions with other species.

Invasive species invade foreign territory. They use resources that the other species depend on. Then naturally one of the species will die off.

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2 years ago

The autonomic nervous system consists of what parts

Reptile [31]

internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.

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2 years ago

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Organisms that live in the rainforest have developed unique adaptations that aid in their survival. Which adaptation would most

lidiya [134]

The right answer for the question that is being asked and shown above is that: "B. birds have beaks adapted to break open hard shells." The adaptation would most likely be found in organisms living in the rainforest is that <span>birds have beaks adapted to break open hard shells</span>

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2 years ago

Read 2 more answers

Monosaccharides can be grouped as aldehydes and kefone groups,what is their difference and similarities and list four examples f

Lady bird [3.3K]

Answer:

Aldehyde has C=O bonded to atleast one H atom while Ketone has C=O bonded to two carbon atoms

Aldehyde - galactose, glucose, glyceraldehyde, fructose

Ketone - Trioses, Tetroses, Pentoses, Hexoses

Explanation:

Similarity

Both the aldehyde and ketone have C=O group

Difference

In aldehye the C=O group require atleast one hydrogen atom or the functional group in aldehyde is -CHO

while in ketone the function group is C=O only that is bonded to two carbon atoms.

Example

Aldehyde - galactose, glucose, glyceraldehyde, fructose

Ketone - Trioses, Tetroses, Pentoses, Hexoses

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2 years ago

Explain the function of mRNA, tRNA, and rRNA.

Vedmedyk [2.9K]

Function of mRNA
The mRNA is formed inside the nucleus in a process called transcription. This mRNA contain codon responsible for the formation of specific type of protein. In translation this mRNA is converted into protein.

Function of tRNA
tRNA is found in cytoplasm and possess amino acids. During translation they attach to the base pair of mRNA with the help of anti-codons.

Formation rRNA:
rRNA is the principle component of ribosome. Ribosome is that organelle which help in attachment of mRNA and contribute in translation.

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2 years ago