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diamong [38]
3 years ago
12

The primer for DNA synthesis is an RNA molecule formed by the enzyme ________________.

Biology
1 answer:
Afina-wow [57]3 years ago
5 0

Answer:

Primase

Explanation:

Primase is a form of RNA polymerase enzyme that is involved in DNA replication which catalyses the production of small segment of DNA or RNA called primer complimentary to a short stranded DNA template.

The RNA molecule is later removed by 5' to 3' exonuclease and the DNA later filled it and occupy the position.

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A biologist has been studying two populations of trout in Montana for the last 25 years, when the two populations were establish
ludmilkaskok [199]

Answer:

Positive natural selection.

Explanation:

The positive natural selection is a type of natural selection that increases the frequency of an allele or trait when it is advantageous for the population. What happened in the example is that the mouth with the slight change in  morphology (trait)  was more advantageous for the population in the south in relation to the  ancestral morphology  (still preserved in the population in the north), and therefore its frequency increased. This, in turn, is due to the fact that the food (prey) is not the same in the two habitats (north and south).  The specific prey in the south,  caused the new morphology to be selected, (increasing the frequency of individuals with the new mouth),  becasue probably that trait allows the trouts in the south to hunt more effectively.

8 0
3 years ago
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TiliK225 [7]

Answer:

1.In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time.

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4 0
3 years ago
Which type of cell would plant,animal and fungus cells be?
diamong [38]

Answer:

Plants, animals, fungi and protists are all eukaryotes; these organisms are made up of one or more cells with a variety of membrane-bound organelles, including the nucleus — the big boss organelle that contains all the DNA and all the instructions for making that particular bear or ringworm or ficus tree or fruit fly.

5 0
3 years ago
Answer answer answer :)
sladkih [1.3K]

Answer:

Chromatin

Explanation:

3 0
3 years ago
Read 2 more answers
You are a living organism. Which characteristics of life do you exhibit
sertanlavr [38]
Movement. All living things move in some way. ...

Respiration. Respiration is a chemical reaction that happens within cells to release energy from food. ...

Sensitivity. The ability to detect changes in the surrounding environment. ...

Growth. ...

Reproduction. ...

Excretion. ...

Nutrition.

4 0
3 years ago
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