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love history [14]
3 years ago
6

Would solar radiation impact other organisms besides humans? Give an example.

Biology
2 answers:
Whitepunk [10]3 years ago
5 0
Plants are a great example
11111nata11111 [884]3 years ago
4 0

Answer: Plants

Explanation: Less solar radiation would mean less sunlight for photosynthesis which means that they won't get enough energy for survival and might die out.

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What is Transcription? Please describe all the stages properly.​
Arada [10]

Answer:

There are 3 stages. Initiation, Elongation and Termination. Read description for more information.

Explanation:

Transcription is the process in which a gene's DNA sequence is copied to make a new RNA molecule. The RNA polymerase is the main transcription enzyme for this process.

Some key facts about Transcription process:

  1. Transcription is the process in which a gene's DNA sequence is copied (transcribed) to make an RNA molecule.
  2. The RNA polymerase is the main transcription enzyme.
  3. Transcription starts when RNA polymerase attaches to a promoter sequence near the beginning of a gene. It can be connected directly or through any helper proteins.
  4. RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule.
  5. Transcription ends in a process called termination. Termination depends on sequences in the RNA, which signal that the transcript is finished.

There are three stages of the transcription process. Those are:

  1. Initiation.
  2. Elongation.
  3. Termination.

Stages or Steps of Transcription are briefly described given below:

1. Initiation stage.

For beginning transcribing a gene, RNA polymerase binds to the DNA of the gene at a region called the promoter. The promoter tells the polymerase where to "sit down" on the DNA and begin transcribing. Each gene (or, in bacteria, each group of genes transcribed together) has its own promoter. A promoter contains DNA sequences that let RNA polymerase or its helper proteins attach to the DNA. Once the transcription bubble has formed, the polymerase can start transcribing. This means Transcription starts.

2.Elongation stage

Once RNA polymerase is in the position at the promoter, the next step of transcription elongation can begin. Elongation is the stage when the RNA strand gets more extended, with the help of the addition of new nucleotides.

During elongation, RNA polymerase "walks" along one strand of DNA, known as the template strand. It goes in the 3' to 5' direction. For each nucleotide in the template, RNA polymerase adds a matching  RNA nucleotide to the 3' end of the RNA strand. The RNA transcript is nearly identical to the non-template, or coding, the strand of DNA. However, RNA strands have the base uracil (U) in place of thymine (T), as well as a slightly different sugar in the nucleotide.

3. Termination stage

RNA polymerase will keep transcribing until it gets signals to stop. The process of ending Transcription is called termination, and it happens once the polymerase transcribes a sequence of DNA known as a terminator.

What happens after the Transcription:

After termination, the Transcription becomes finish. An RNA transcript becomes ready to be used in the translation process. It is called a messenger RNA (mRNA). In bacteria, RNA transcripts are ready to be translated right after Transcription. They're prepared a little sooner than that: translation may start while Transcription is still going on!

6 0
3 years ago
Name two ways water travels from land to enter the ocean
Kitty [74]

Answer:

Seepage; runoff

Explanation:

In nature, water is constantly circling: from the water surfaces it evaporates, travels up in the atmosphere, there it condensates, forms clouds, and then again falls to the land and water surfaces. This cycle has been going on for thousands and thousands of years and is known as the water cycle.

Now, the real question is how does the water, fallen from the clouds, on the land, travel back to the oceans.

Soil consists of multiple layers, some are water permeable, and some are not. When water (rain) reaches the soil, through tiny pores in upper permeable layers it will travel downward, deeper and deeper. This process is called the seepage. Upon reaching the water-impermeable layers, it stops, becoming part of what is known the underground water. It will continue to flow on this layer until it finds its way back on the surface, usually in a form of a spring, which will find its way to a river, and river will take that water to a sea or an ocean.

However, if the soil is to saturated with water, especially during long rainy, stormy period, or in the spring, after the snow melts. This excess water will, because of the gravity,  flow over the earth's surface, from higher (mountains) to lower (valley) areas, making its way to some valley river, which will take it further to a sea or an ocean.

Upon reaching the ocean, this land-water can again join the water cycle, again and again.

3 0
3 years ago
Read 2 more answers
How it provide sustainable option for cooking
Ostrovityanka [42]

Answer:

As the question is incomplete, lets try to understand sustainable cooking generally.

Explanation:

Sustainable cooking is a method by which we prepare our food and how affects our health and environment. A lot of the food we prepare is unnecessary and it goes to waste. Simple changes in our food cooking manner can help conserve food and provide food to the people in need. For instance, limiting the amount of heat that we use during preparing meals. Usually, we waster a lot of energy in the form of heat during food making.

5 0
3 years ago
. Suppose that the CO2 concentration in theatmosphere
nikitadnepr [17]

Answer:

Ability to deliver O_2 increases.

Explanation:

Carbon dioxide is transported by the blood in the dissolved form. carbonic anhydrase is the enzyme which is a metalloenzyme having zinc at active site converts carbon dioxide into carbonic acid which dissolves in the blood.

Thus,  

H₂O (l) + CO₂ (g) ⇔ H⁺(aq) + HCO₃²⁻(aq)

If the concentration of the carbon dioxide is increases, then there is increase in the concentration of the hydrogen ions and thus decrease in the pH which results in the hemoglobin proteins releasing the uptake load of the oxygen. (Bohr effect)

6 0
3 years ago
3.3x10^34 convert molecules to moles
Arisa [49]

Answer:

5.5 × 10¹⁰ moles

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

<u>Step 1: Define</u>

3.3 × 10³⁴ molecules

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

<u />3.3 \cdot 10^{34} \ molecules(\frac{1 \ mole}{6.022 \cdot 10^{23} \ molecules} ) = 5.47991 × 10¹⁰ moles

<u>Step 4: Check</u>

<em>We are given 2 sig figs. Follow sig fig rules and round.</em>

5.47991 × 10¹⁰ moles ≈ 5.5 × 10¹⁰ moles

8 0
2 years ago
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