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erica [24]
3 years ago
14

Which of the following is the most important reason to maintain a high level of cardiovascular health?

Biology
1 answer:
alexandr402 [8]3 years ago
5 0

Answer:

C

Explanation:

I think because the more healthier you are, the longer you'll live

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When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical, the cells sag and become
Vlada [557]

Answer:

Microtubules

Explanation:

These filament-like structures are a major component of the cytoskeleton of the cell and help is maintain asymmetrical cell shape. They are composed of tubulin molecules arranged to form a 'hollow straw' attached to the cell membrane end to end . The contraction and lengthening of these microtubules are controlled by the addition of removal these of tubulin molecules to vary its length.

5 0
3 years ago
What is the average atomic mass of a sample that has two isotopes, one with a mass of 21 amu at 62% abundance and another with a
motikmotik

Answer:

Average atomic mass = 21.38 amu.

Explanation:

Given data:

Mass of first isotope = 21 amu

Abundance of first isotope = 62%

Mass of second isotope = 22 amu

Abundance of second isotope = 38%

Average atomic mass = ?

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass  = (62×21)+(38×22) /100

Average atomic mass =  1302 +836 / 100

Average atomic mass = 2138 / 100

Average atomic mass = 21.38 amu.

3 0
2 years ago
Vhat is the function of the cell wall in a plant cell?
In-s [12.5K]

Answer:

The cell wall gives the plant stability

Explanation:

6 0
3 years ago
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Haploid plant cultures are got from​
madam [21]

Answer:

The tomato is the edible berry of the plant Solanum lycopersicum, commonly known as a tomato plant. The species originated in western South America and Central America. The Nahuatl (the language used by the Aztecs) word tomatl gave rise to the Spanish word tomate, from which the English word

8 0
2 years ago
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Dose DNA have cells <br><br><br> i need to know for a assingment
kiruha [24]

Answer and Explanation:

Cells are made of DNA (Deoxyribonucleic Acid).

They provide the genetic instructions for making and forming a cell.

The DNA is found inside the nucleus of the cell.

Because the cell is very small, and because organisms have many DNA molecules per cell, each DNA molecule must be tightly packaged. This packaged form of the DNA is called a chromosome

DNA do NOT have cells, but cells DO have DNA.

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

7 0
3 years ago
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