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Oxana [17]
2 years ago
10

Three interesting facts about nucleic acids

Biology
1 answer:
romanna [79]2 years ago
8 0
1. Nucleic acids are the molecules that code the genetic information of organisms.

2. The two nucleic acids used in the repair, reproduction and protein synthesis are deoxyribonucleic acid (DNA, shown) and ribonucleic acid (RNA)

3. DNA and RNA are polymers made up of monomers called nucleotides
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Why the location and quality of food sources in the soil are sometimes likely to stimulate random movements by C. Elegans, but a
Kipish [7]

Answer:

The Caenorhabditis elegans dauer state is a hibernation-like state of diapause that displays a dramatic reduction in spontaneous locomotion.

Explanation:

Mutations affecting the neurotransmitter dopamine, which regulates voluntary movement in many organisms, can stimulate movement in dauers. The movement of quiescent animals is stimulated by conditions that reduce dopamine signaling and also by conditions predicted to increase dopamine signaling.The stimulation of movement by increased dopamine is much more pronounced in quiescent daf-2(−) dauer and dauer-like adult animals.

In C. elegans hermaphrodites, dopamine is produced by eight neurons and signals via at least four dopamine receptors, DOP-1 through DOP-4. In addition, a presynaptic reuptake transporter, DAT-1, removes dopamine from the extracellular space to terminate signaling. In C. elegans, dopamine is best known for mediating the “basal slowing response” in which the animal's movement slows when it encounters food..  Dopamine is thought to be released in response to food and to act on motor neurons to modulate the animal's movement . Animals that cannot produce dopamine fail to slow in response to food and exogenous dopamine slows the movement of animals cultured without food.The response to dopamine in this situation is complex, as the absence of specific dopamine receptors can have either positive or negative effects on movement.

8 0
2 years ago
Name the three principal ways in which a load may be applied to a specimen.
SVETLANKA909090 [29]
The <span>principal ways in which a load may be applied to a specimen are:
1. Tension
2. Compression
3. Shear
</span>

The force that pulls material apart is tension and the one that squashes material together is compression and shear is the action of the force in trying to cut through the material.

<span> </span>

<span>

</span>
8 0
2 years ago
11) In C3 photosynthesis, the reactions that require ATP take place in A) the light reactions alone. B) the Calvin cycle alone.
valentinak56 [21]

Answer:

In C3 photosynthesis, the reactions that require ATP take place in

B) the Calvin cycle alone.

Explanation:

In C3 PLANTS PHOTOSYNTHESIS OCCUR IN TWO STEPS-

1. LIGHT stage , WHICH TAKES PLACE IN LIGHT. In this stage water is split and ATP is released.

2. DARK stage, which takes place in dark. This the stage where calvin cycle takes place which require ATP, i.e energy. In this process sugar is produced with help of carbon dioxide. In this carbon dioxide is accepted by 5- carbon molecule ribulose-1, 5-biphosphate, which result into two molecules of 3- phosphoglycerate. this three carbon compound. hence is called as C3 pathway. hence C3 plants.

5 0
2 years ago
Name two properties of a good marker and explain why good markers are important.
Semenov [28]

Answer:

The overview is defined in the clarification section elsewhere here, and according to the particular circumstance.

Explanation:

Including genetic mapping as well as tracing the characteristics of hereditary disorders, genetic markers are valuable.

Basic DNA sequence determination for chromosomes.

  • Healthy Marker Properties.
  • This needs to have been Polymorphic.
  • It is indeed meant to be non-epistatic.
  • Throughout the genome, these are distributed uniformly.
3 0
1 year ago
Wetlands help reduce erosion through _______.
vitfil [10]
<span>Wetlands help reduce erosion through B. sediment trapping.
Soil and rocks are trapped and then there is no erosion or crumbing of the ground and rocks. 
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3 0
2 years ago
Read 2 more answers
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