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Leni [432]
3 years ago
13

3. Which is true about the relationship between an object's mass and its weight?

Biology
1 answer:
anygoal [31]3 years ago
3 0

Answer:

B

Explanation:

Mass is constant. Weight varies due to gravity.

For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.

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Compare and contrast pluripotent cells and totipotent cells
sweet [91]

Answer and Explanation:

In suspension cultures (liquid media), it has been demonstrated that single cells can regenerate to form an entire plant, and undergoes all the natural stages of embryo development.

Totipotent stem cells give rise to all types of cells including the placenta and embryo in animals.Pluripotent cells on the other hand are cells that are capable of self-renewing into the three different germ layers of an embryo forming an adult without giving rise to placenta. As the embryo grows, it develops into multipotent cells.

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3 years ago
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8 0
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4. A very large molecule consisting of many smaller structural units linked together
kondor19780726 [428]
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8 0
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Kingdoms are a more specific (less broad) category in the taxonomic hierarchy.
gregori [183]

Answer:

a

Explanation:

According to the taxonomical hierarchy, the kingdom is the highest category in biological classification. It is a group of closely related organisms.  

Kingdom - Phylum -Class - Order -Family - Genus -Species.

4 0
3 years ago
Read 2 more answers
imagine a model of a cell shaped like a cube.Calculate the ratio of surface area to volume for a cell model measures 3 cm on eac
Svet_ta [14]
Smaller cube (1 cm X 1 cm X 1 cm) 

<span>The surface area of one side = 1 cm X 1 cm = 1 <span>cm2</span></span>

 

<span>There are 6 sides, total SA = 6 X 1 <span>cm2</span> = 6 <span>cm2</span></span>

 

<span>Volume = 1 cm X 1 cm X 1 cm = 1 cubic cm (1 <span>cm3</span>)</span>

<span>Surface to Volume Ratio = 6 <span>cm2</span>/1 <span>cm3</span> = 6 <span>cm2/cm3</span></span>


Larger cube (6 cm X 6 cm X 6 cm) 

<span>The surface area of one side = 6 cm X 6 cm = 36 <span>cm2</span></span>

 

<span>There are 6 sides, the total SA = 6 X 36 <span>cm2</span> = 216 <span>cm2</span></span>

 

<span>Volume = 6 cm X 6 cm X 6 cm = 216 <span>cm3</span></span>

 

<span>Surface to Volume Ratio = 216 <span>cm2</span>/216 <span>cm3</span> = 1 <span>cm2/cm3</span></span>

<span> </span>


8 0
3 years ago
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