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Sedaia [141]
3 years ago
11

A chemical has been found to harm the same components in both prokaryotes and eukaryotes cells.

Biology
1 answer:
murzikaleks [220]3 years ago
7 0
DNA, cell membrane, cytoplasm, and ribosomes
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Because it has no introns, researchers prefer to use ____ when working with human genes.
pochemuha
The correct answer is d: cDNA.  
<span>cDNA or complementary DNA is DNA synthesized usually from messenger RNA (mRNA) by the enzyme reverse transcriptase. Because this molecule is from mRNA it contains only exons. cDNA is also produced naturally by retroviruses, for example, HIV virus.</span>
5 0
3 years ago
Which of the following is true about ischemic stroke? a. Often caused by emboli from the basilar arteries b. Has risk factors th
sleet_krkn [62]

Answer: Option B.

Has risk factors that include atherosclerosis

Explanation:

Ishchemic stroke has a risk factor that include Atherosclerosis because it is when blood clot causes a blockage to artery that supplies blood to the brain.

This is major caused by buildup of plagues or deposition of cholesterol ( atherosclerosis). The blockage reduces the blood flow and oxygen to the brain, which cause damage or death of brain cells

If the arteries become too narrow, blood cells may collect and form blood clots.

4 0
3 years ago
Type the correct answer in the box. Spell all words correctly.
saul85 [17]

Answer:

Greenhouse gases

Explanation:

Teddy is working for a nonprofit organization that urges people to stop using products with CFCs. Through this Initiative, Teddy's organization hopes to reduce the concentration of greenhouse gases in the atmosphere.

Greenhouse gases deplete the ozone layer thereby causing global warming as a result often increase in the intensity of Sun rays reaching the earth.

Example of greenhouse gases include chlorofluorocarbon, nitrogen, water vapor etc

3 0
3 years ago
List the cell cycle in correct order
goblinko [34]

Answer:

Prophase, metaphase, anaphase, telophase

Explanation:

3 0
3 years ago
Read 2 more answers
Explain how the terms oxidation and reduction apply even when there is only a partial shift of electrons between atoms linked by
aliina [53]

Explanation:

In a covalent bond, there is sharing of the donated electron by two atomic species having very small electronegative differences between them.

Oxidation is the loss of electrons by a specie and it usually lead to an increase in oxidation number.

Reduction is the gain of electrons by a specie. It leads to a lower oxidation number.

Since there is no actual loss of gain of electrons in a covalent body, the electronegativiy is at work.

Electronegativity is the ability of a specie to draw the shared electrons more to itself in a covalent bond.

  • Between two atoms bonded covalently, the more electronegative specie draws the electrons closer.
  • This leaves a partial negative charge on it.
  • The other electron then becomes partially positively charged.
  • We can then say, the more electronegative specie undergoes reduction.
  • The less electronegative one undergoes oxidation.

learn more:

Covalent bond brainly.com/question/3064597

Oxidation and reduction brainly.com/question/2278247

#learnwithBrainly

5 0
3 years ago
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