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Umnica [9.8K]
2 years ago
8

A stretch of DNA with instructions for one trait. *

Biology
1 answer:
astra-53 [7]2 years ago
6 0
The answer is b, genes
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Which structure forms as DNA unwinds? A. a special marker B. a complementary base C. a replication bubble D. a double helix
kozerog [31]

A replication bubble forms as the DNA unwinds.

Option C  

<u>Explanation</u>:  

Replication bubble is the space where the strands of double helical DNA structure are separated with the help of DNA helicase. The strands of the double helical DNA are still in the helix form on the both end of the unwinded DNA stand which gives this region an appearance of a bubble.

DNA unwinding is the first step in replication or transcription of the DNA molecule. DNA helicase separates the two types of "DNA" that are connected by hydrogen bonds with the help of ATP hydrolysis.  

5 0
3 years ago
One of the reasons for this is that our unconscious handwriting incorporates into it different mental, physical, and mechanical
Liula [17]

Answer:

The correct answer is: True.

Explanation:

  • The writing of a person is controlled by an region located in the left part of frontal lobe of the brain which is known as the Broca's area.
  • Writing is a motor impulse send by the brain to the hand and fingers.
  • However, no two individual can have the same hand-writing.
  • This is because hand-writing is not only dependent on the brain to hand motor co-ordination.
  • It also depends upon the psychology, mentality, thought process, state of mind, nature of the person and also the influence of the surroundings on the person.
  • It also depends on the preference of the person to keep his writing artistic or simple or illegible.
  • All these factors can never match between two persons.
  • This is the reason, no two persons can share the exactly same hand-writing.
3 0
3 years ago
Which of these organisms would seem to be most closely related? a) Canis familiaris b) Canis lupus c) Panthera pardus d) Mephiti
SpyIntel [72]

well A.) is a dog B.) is a wolf C.) is a leopard and D.) is a skunk

option d is the most related to its self

4 0
3 years ago
(30 points) {brainliest PLEASE HELP}
Pavel [41]

Answer:

the answer is d. Hope this helps

7 0
3 years ago
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Which of these will most likely happen if the plateau pikas are completely removed from the Tibetan plateau grasslands?
madam [21]

Answer:

The ecosystem will become more stable because the pika will no longer be. there to eat the grasses, the birds will migrate to other ecosystems during. nesting season, and the soils will be able to absorb more of the monsoon. D.

Explanation:

5 0
3 years ago
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