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CaHeK987 [17]
3 years ago
8

When the CAU anticodon of a tRNAMet was modified to UAC, the anticodon for tRNAVal, valine aminoacyl-tRNA synthetase, recognized

the altered tRNAMet and added valine rather than methionine to it. When the converse modification was made, the altered tRNAValcontaining a CAU anticodon (rather than UAC) was recognized and activated by methionine aminoacyl-tRNA synthetase. What do these data suggest about the mechanism by which aminoacyl-tRNA synthetases recognize their cognate tRNAs
Biology
1 answer:
aalyn [17]3 years ago
6 0

Answer:

With the information obtained, it can be deduced that the tRNA anticodon region is recognized by an aminoacyl-tRNA synthetase, however some of these enzymes may have different elements in their structure and which would be the majority and which may trigger a fundamental role in the aminoacyl-tRNA synthetase recognition

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What are some examples of environmental resources?
Gemiola [76]
Hi there!

Here are some examples of Enviormental resources:

#1 Coal

#2 Gold

#3 Gas

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#5 Copper

#6 Petroleum

Hope this helps you!

~DL ☆☆☆
4 0
3 years ago
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Which of these factors is associated with sustainable farming?
s344n2d4d5 [400]

Answer:

The answer is D. Food security

Explanation:

Sustainable Agriculture:

Sustainable agriculture or farming is a combination of agricultural policies, practices and measures that yield the maximum profits and benefits without negatively impacting the environment.

Sustainable agriculture, as an idea, basically means to utilizes resources responsibly so that the future generations can reap the benefits as well.

Sustainable Farming Approaches:

Approaches to sustainable farming include policy as well as farming technique interventions. Some of these methods are:

  • Crop rotations that involve planting diverse crops on a piece of land, as opposed to monoculture and intensive farming that gradually makes the soil nutrient deficient.
  • Cover cropping after a season of monoculture to prevent leaving the soil bare til the next season.
  • Use of renewable energy resources and integrated pet management to generate energy efficiently and minimize crop losses respectively.

Food Security:

Food security entails that healthy, nutritious and safe food is readily i.e. physically and economically available for all people. Food security is one of the major sustainability goals.

3 0
3 years ago
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The different phases of the moon are caused by the moons near 28-day
MrRissso [65]

Answer:

28 day orbit around Earth.

Explanation:

This is called the Lunar phase. The lunar phase or phase of the Moon is the shape of the directly sunlit portion of the Moon as viewed from Earth.

6 0
3 years ago
Sponges have no "true tissues." what does this mean
artcher [175]
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<em>I hope this helps!~</em><em /></span>
6 0
3 years ago
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How do the flowers help the tree meet its needs? AFlowers make food for the plant B. Flowers hold the plant in the ground. C. Fl
azamat

Answer:

Answer is option D.

Flowers contain parts for making seeds.

Explanation:

The part of the plant that is responsible for the sexual reproduction in plants is known as flowers. A flower is said to be complete if contains sepals, petals, stamens and pistil. If the flower lacks one or more structures, it is an incomplete flower.

A complete flower consists of a vegetative part and a reproductive part. The vegetative part contains petals (a bright coloured structure that attracts insects and birds) and sepals (a green coloured structure that protects rising buds and is usually found beneath the petals). The reproductive parts include stamen or androecium (male reproductive organ) and pistil (female reproductive organ). A flower may consists of only female parts or only male parts, or both.

Stamen contains two parts - anther, which produce and store the pollens (male gametes) and filament, which support the anther. Pistil contains three parts - stigma, which receives the pollen grains and style that connects stigma and the ovary, and ovary which contains a lot of ovules (female gametes) which forms the seed.  

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5 0
3 years ago
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