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MatroZZZ [7]
3 years ago
5

a person with an impaired lymphoid system would? A. get sick more often B. grow too quickly C. not be able to digest fats D. not

be able to transport oxygen to the cells
Biology
1 answer:
Illusion [34]3 years ago
3 0

Answer:

A. get sick more often

Explanation:

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The qrs complex is associated with ________. the qrs complex is associated with ________. depolarization of the ventricular sept
Zepler [3.9K]

In a typical ECG (Electrocardiogram) the first wave obtained is P wave; The P wave represents the depolarization of the atria. After this, the QRS complex is formed. The QRS wave represents the depolarization of the ventricles.  During the depolarization phase, the ventricles contracts and pushes the blood into the atria. Hence, the correct answer is depolarization of the ventricles.

3 0
3 years ago
A. Do you think sodium carbonate is an acid or a base, and why? (2 points)
irga5000 [103]
Sodium carbonate is a basic salt because it is a salt derived from a weak acid and strong base.
7 0
2 years ago
Some viruses attack cells by inserting their own dna into the host cells dna why might it be simpler for these viruses to attack
Pie

Answer:

The DNA in eukrayotic cells is much more protected than the DNA in prokaryotic cells

Explanation:

DNA in eukaryotic cells lies within the nucleus. This DNA has a membrane protecting it from the outside. This means that the virus will have a harder time at getting to the DNA to insert its own DNA into it.

Prokaryotic cells have their DNA loose within the cytoplasm. This DNA is not protected. The virus will have to pass only 1 membrane in order to get to this DNA.

4 0
3 years ago
Which of the following statements about DNA isolation from E. coli is not correct?
Ulleksa [173]

Answer:

The correct answer is c. detergent is used to break apart plant cells to extract DNA.

Explanation:

Here we are talking about DNA isolation in E.coli and detergent is used to break apart the bacterial cell membrane by destabilizing the cell membrane. Detergent disintegrates the proteins present in the cell membrane which causes the rupture of membrane releasing the cell extract outside the cell.  

Detergent is not able to break plant cell because it is made up of cellulose and require blending or mashing. Detergent can only be used to disintegrate the cell membrane because only cell membranes contain lipids and proteins.

Hence, the correct answer is c.  detergent is used to break apart plant cells to extract DNA.

4 0
3 years ago
What is the greenhouse effect
fiasKO [112]

The greenhouse effect is a naturally occurring process that aids in heating the Earth's surface and atmosphere. It results from the fact that certain atmospheric gases, such as carbon dioxide, water vapor, and methane, are able to change the energy balance of the planet by absorbing longwave radiation emitted from the Earth's surface. Without the greenhouse effect life on this planet would probably not exist as the average temperature of the Earth would be a chilly -18° Celsius, rather than the present 15° Celsius.  

4 0
3 years ago
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