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BabaBlast [244]
3 years ago
11

What do you mean by organs?​

Biology
1 answer:
NeX [460]3 years ago
7 0

Answer:In biology, an organ are when tissues come together that structurally form a functional unit specialized to perform a particular function. Your heart is a example of organs

Explanation:

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Body structure and colour of animals help them in adaptation. Justify the statement with an example.
iren [92.7K]

Answer:

Adaption is a gradual process of change or modifications of animal body either physically, structurally or behavioral changes in order to thrive and adjust better in the changing environment for survival.

Explanation:

Adaptation could takes by exhibiting a sort of mimicry to the habitat in which the animal thrive. Also it could takes place by the process of structural changes that blends them well with the environment. Classical Example is the adaptation by Polar bear. In the coolest arctic region, polar bear possesses long white furs with big sized paws and long hair. This help them to blend with white snowy color of environment and the big sized paws prevents them from slipping in ice and also could dig in the ice to take shelter is hostile weather like snowstorm. They have thick layers of fat beneath the skin that keeps them warm. Also they are capable of swimming , in spite of a big body to facilitate their feeding on fishes on arctic sea.

3 0
3 years ago
Which of the following types of DNA damage cannot be repaired by base excision repair?
Elodia [21]

Answer:

c. Thymine dimer

Explanation:

Thymine dimer

Thymine dimer ( also called the DNA damage ) that is repaired by the nucleotide excision repair which involves the breakage of the phosphodiester bond on the side of the damage , and results in the excision of an oligolnueotide of 10-12 nucleotides in length .

But the base excision repair involves the removal of the damaged base , removal of short polynuceotide and resynthesis of this area with DNA polymerase .

7 0
3 years ago
Are mutations harmful, beneficial,or neutral
rosijanka [135]
Some can be harmful, others beneficial, others neutral. It all depends on what mutation affects you and what the effects of the mutation are.
4 0
3 years ago
Read 2 more answers
A gene mutation is a change in the sequence of nucleotides that occurs during cell replication (mitosis and meiosis) within a si
LiRa [457]

Answer:

The cell has an elaborate mechanism in place that check for and correct the mistakes that happen during replication, transcription or translation. This process is called as proofreading. The incorrect nucleotide added during replication cause the replication to be halted for a while. The DNA polymerase enzyme fixes the error and replication then resumes as normal.

Gene mutation, on the other hand, is a permanent change in the DNA sequence that might lead to cancer.

Hope that answers the question, have a great day!

8 0
3 years ago
The agent of erosion that makes a rock fall from high places is A) water B) wind C) ice D) gravity
gogolik [260]
The agent of erosion that makes a rock fall from high places is gravity.

So the correct answer is D) gravity.

Hope this helps :)
4 0
3 years ago
Read 2 more answers
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