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Sonja [21]
3 years ago
7

Which enzyme is used specifically for RNA transcription from dna in

Biology
1 answer:
Vadim26 [7]3 years ago
3 0

First, pre-messenger RNA is formed, with the involvement of RNA polymerase enzymes.

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Which evolutionary process involves the slow addition of allelic variation that increases the hereditary diversity of population
klasskru [66]

Answer:

Mutation

Explanation:

Mutation is a change in the nucleotide sequence by addition, deletion, substitution, etc which results in the slow addition of allelic variation that increases the diversity in a population and leads to evolutionary change.

The right mutation in the allele or gene is favored by nature and it is passed in the next generation through reproduction. Mutation helps in the survival of a population in the continuously changing environment by adding new alleles that increase the fitness of the organism. So the correct answer is mutation.

6 0
3 years ago
A person who is homozygous for the x chromosome is
xxMikexx [17]
A person who is homozygous for the X chromosome is female.
Women have two X chromosomes, which means they are homozygous for the X chromosome - the word homozygous means that they have 'two chromosomes of the same kind.' Men have different types of chromosomes - XY. 

7 0
3 years ago
How does artificial selection supports Darwin's hypothesis ​
dimulka [17.4K]

It helped him because you can breed certain traits you want in things to get the traits you want

6 0
2 years ago
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You are riding a roller coaster at Valleyfair. At what point in the ride is the system in a state of equilibrium?
olga nikolaevna [1]

Answer:

Stopped on the tracks at the entrance

Explanation:

I took the quiz

7 0
3 years ago
If you look through a microscope and see a cell with chromosomes lined up two by two, what stage of cellular reproduction must y
Ipatiy [6.2K]

Answer:

2. meiosis I only

Explanation:

During the zygotene stage of prophase-I of meiosis-I, homologous chromosomes synapse and are paired up. These paired homologous chromosomes are called bivalents. These paired homologous chromosomes align themselves at the equatorial plate of the cell during metaphase-I. Therefore, when observed through a microscope, cells are shown lined up two by two. During meiosis-II and mitosis, individual chromosomes with two sister chromatids are aligned at the cell's equator in metaphase.

6 0
2 years ago
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