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skad [1K]
3 years ago
9

BRAINLIEST!! PLS HELP ME

Biology
2 answers:
jonny [76]3 years ago
7 0

We could send aliens information that is good about us not the bad things. Don't share weaknesses, because that could probably lead to some bad things. We should share valuable info with the aliens.

IRINA_888 [86]3 years ago
3 0

Answer:

Information about how much we know.

Explanation:

If alien life ever gets a chance to communicate with us and we have a chance to communicate with them then we must show them how much knowledge we hold so they can better understand our customs and what to show us. We will probably show them the key sciences such as Math, Science, Biology, Phycology, Astrology, Astronomy, and our knowledge of technology. We will first show them simple problems we know like 2+4 and 1+1. After we will show them huge amounts of our psychological capabilities like our vast arrays of calculations and formulas. This is just a small fraction of our knowledge we will show them.

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A cell is a tissue as an atom is to a
Nata [24]

Answer:

<em>a cell is a tissue as an atom is to a <u>molecule</u>. </em>

<em>hope</em><em> </em><em>this helps</em><em> </em><em><</em><em>3</em>

6 0
3 years ago
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3. Which of the following effects do the sun and moon have on tides when they are nearly in line with Earth during a new moon? (
worty [1.4K]
The sun and the moon has an effect on the tides when they are nearly in line with Earth during a new moon. This effect is t<span>hey produce a tide with the greatest difference between consecutive low and high tides, or a spring tide.</span>
4 0
3 years ago
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Describe each step required to make a gene knock-out in mice.
Ahat [919]

Answer:

1. Designing of the target vector.

2. Insertion of the target vector into the embryonic stem cell

3. Selection of the cells

4. Injecting selected cells into the new cells

5. Breeding of mouse with a normal mouse

Explanation:

The target vectors are made by inserting markers into them. The target vector is inserted into ES cells. The vector generally recombined with the target gene and knock-out that gene. Sometimes, recombination of vectors occurs at incorrect place.

The cells survive in the presence of markers only if the target gene is incorporated with target vector. The cells with the target vector are injected into a normal developing embryo of mouse.

The developed mouse will consist of heterozygous knockout cells and its own cells. The normal mouse is bred with this chimeric mouse. The offspring of these mouse are able to transfer knock-out gene to next generation.

6 0
3 years ago
Dogs and other mammals can fluff up or press down their fur to increase or decrease their insulation, respectively, which is sim
melomori [17]

Answer:

The correct answer is option B "It will become narrower (span a more narrow range of ambient temperatures)".

Explanation:

Dogs, and other animals with fur, use their pelage to increase the range of ambient temperatures that they can tolerate. The way they do it is by altering their fluffiness depending if they are exposed to cooler or heater temperatures. If a dog is shaved, its thermoneutral zone will become narrower. Therefore, the dog will not be able to live in extremal temperature conditions as it did before with its fur.

3 0
3 years ago
Which of the following statements is correct with respect to the use of oxidized sulfate by some bacterial groups
Gnesinka [82]

All of the above.

<h3>What are sulfur oxidizing bacteria?</h3>

Any of a wide range of microorganisms that can metabolize sulfur and its components and are significant in nature's sulfur cycle are known as sulfur bacteria. Hydrogen sulfide (H2S), sulfur, and thiosulfate are a few of the typical sulfur compounds that are used by these bacteria as a source of energy. Sulfate is the end result of the oxidation of sulfur.

In deep earth deposits, <em>Thiobacillus</em>, which is common in both marine and terrestrial settings, produces sulfuric acid, which dissolves metals in mines but also corrodes concrete and steel. It also oxidizes sulfur, generating sulfates that are helpful to plants.

I understand the question you are looking for is this:

In seawater, sulfate is the most common anion after chloride. Which of the following is correct with respect to the use of sulfate by some bacterial groups?

  1. Oxidized sulfur-containing molecules have redox potentials lower than those of the nitrogen series.
  2. Oxidized sulfur molecules such as sulfate and sulfite serve as electron acceptors.
  3. Sulfate and sulfite can receive electrons from hydrocarbons.
  4. Sulfate-reducing archaea and bacteria are widespread in the ocean.
  5. All of the above.

Learn more about sulfur bacteria here:

brainly.com/question/13187750

#SPJ4

3 0
2 years ago
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