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tensa zangetsu [6.8K]
4 years ago
8

Which structure "unzips" the double helix of dna? which structure "unzips" the double helix of dna? trna mrna rna polymerase an

anticodon?
Biology
1 answer:
sammy [17]4 years ago
4 0

The answer is helicase. These are a class of enzymes important to all living organisms. Their chief purpose is to unzip an organism's genes. They are motor proteins that travel directionally alongside a nucleic acid phosphodiester backbone, unravelling two annealed nucleic acid using energy consequential from ATP hydrolysis.

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The lion population will decrease because their prey is being hunted
3 0
3 years ago
Which statement about how organisms depend on abiotic factors in an aquatic ecosystem is not true?
Nat2105 [25]
The answer is <span>a. most living organisms can survive in environments with several different temperature and salinity levels.

</span>Aquatic plants and animals depend on dissolved oxygen for respiration. The other abiotic factors that impact their life in an aquatic ecosystem are temperature, salinity, and flow and they determine the quality of their life. <u>It is not true that most living organisms can survive in environments with several different temperature and salinity levels.</u> On the contrary, a few species can live in <span>environments with several different temperature and salinity levels, for example, some bacteria. The most organism can survive in a specific range of abiotic factors.</span>
5 0
3 years ago
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What causes the seasonal changes in temperature on Earth? A. Because of Earth's elliptical orbit, the Earth is closer to the Sun
gogolik [260]
The answer is C. I️ hope I️ helped :))
6 0
3 years ago
Gregory Mandel‘s work was in the area of?
Vsevolod [243]
The answer is C: Inheritance
4 0
3 years ago
Read 2 more answers
1. Which blood types are dominant?
marishachu [46]

Answer: 1). A and B are both dominant (because A and B are codominant to one another)

2). E. All of the above

Explanation:

1). From the image above, A and B are both dominant because they are equally expressed when they occur in a pair (when they occur as blood type AB), also they are dominant because each of them expressed itself when it occurs in a pair with a recessive allele (IAi and IBi).

2). The children of a father with A blood and a mother with B blood will have all the four blood types: A, B, AB, and O. If each parent has a recessive allele, that is if each parent is heterozygous for his/her blood type (IAi for the father and IBi for the mother), the cross between them will produce all the four possible blood types.

See the attached punnet square for more information.

7 0
3 years ago
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