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alexdok [17]
3 years ago
15

The force of ____ opposes the motion of all moving objects.

Biology
2 answers:
matrenka [14]3 years ago
8 0

Answer: D. friction

Explanation:

Bumek [7]3 years ago
5 0

Answer:

D

Explanation:

Friction is a force that opposes motion between two surfaces that are in contact. Friction can cause a moving object, such as a ball, to slow down and eventually stop.

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How does the environment affect the organism, and vice versa? what effects, good as well as bad, have humans had on the environm
TiliK225 [7]
In an ecosystem, two factors are being classified which are the abiotic and the biotic factors. Both of these factors play an important role in order to balance the ecosystem and maintain the harmony of the living things therein. The environment includes the abiotic factors which are the sunlight, weather, water, air, and all other factors which are not living but contribute to the growth and development of the living ones. For example, plants cannot live without water, sunlight and carbon dioxide. The effects that humans have on the environment is both good and bad. Humans also play an important role in maintaining the environment, and they also have the capability to endanger it. 
8 0
3 years ago
When DNA is compacted by histones into 10-nm and 30-nm fibers, the DNA is unable to interact with proteins required for gene exp
poizon [28]

Answer:

This is through the process of methylation and phosphorylation of histones tails.

Explanation:

The addition of   a methyl group  to the amino acid of the histones of the  nucleosomes   that compacted DNA  in the nucleus is  called mehtylation, while the addtion of phodpahte is phosphorylation

Its  effects  on  gene expression depends on the number of <u> methyl groups, and type of amino acid that  methylated. During transcription. </u>

<u />

The DNA double strands are compacted and therefore  hidden  from transcription factors and enzymes of transcription by the hitones  tails of the neuclosomes, Methylation  weaken the binding bonds between the tails and DNA structure ; thereby aiding the uncoiling of DNA  from the  tails.(nucleosomes).This chemical  reaction  aided  DNA  strands  exposure   to transcription factors and enzymes, for initiation of transcription. This explains the dyanmic activity of methylation

Futhermore phophorylation also favours unwrapping of DNA, by imitating   modifying enzymes e.g H3Y41E and H3T45E  and convert it to→→ H3Y41phopspahte to aid DNA unwrapping and accessibility to  transcription factors and RNA polymerase Enzymes,

5 0
3 years ago
DNA is made up of:
Step2247 [10]
I would go with the second one cuz

DNA<span> and RNA </span>consists<span> of nucleic acid </span>chains<span> called nucleotides. Nucleotides are </span>composed<span> of three units: base, sugar (monosaccharide) and phosphate. Bases are found in both </span>DNA<span> and RNA. </span>
4 0
3 years ago
Read 2 more answers
A dwarf planet flies towards the sun and orbits it. As it does, it burns up leaving a trail of gas and vapor in a form of 2 tail
Inga [223]
False because if it’s burnt it would leave a trail of gas but it’s said 2 tails not 1 there was only one planet
8 0
2 years ago
For which of these questions could a testable hypothesis be developed? Check all that apply.
natita [175]

The following are the questions in which a testable hypothesis be developed:

  • Does the width of a rubber band affect how far it will stretch?
  • How does the thickness of a material affect insulation?
  • Do all objects fall to the ground at the same speed?

Thus, the correct options are 1, 2, and 4.

<h3>What is Hypothesis?</h3>

A hypothesis may be defined as a proclamation or group of information which is mandated to be experimented with using an investigation procedure.

The width of the rubber is a variable quantity that can be measured, observed, and recorded in the conclusion. Similarly, the thickness of the material is also varied with respect to certain terms and conditions, and hence can be measured observed, and recorded in the experimental data.

Therefore, it is well described above.

To learn more about the Hypothesis, refer to the link:

brainly.com/question/11555274

#SPJ1

8 0
2 years ago
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