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umka2103 [35]
2 years ago
10

Why do all the cells in your organs have the same DNA but in their nulclei but perform different jobs? Please include the words

cellular differentiation! So confused
Biology
1 answer:
olga2289 [7]2 years ago
4 0

Answer:

because the mom and dad were having different dna before they

Explanation:

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Compare the roles of the phospholipid bilayer in passive and active transport.
morpeh [17]

Answer:

Phospholipid bilayer determinates which molecules can enter or exit the cell so its purpose is to be a checker in the middle. Cell membrane determinates the structure of the cell and it is the connection to the rest that happens in a cell.

Explanation:

Molecules can move in 2 ways: passive and active.

The only difference is the energy that is needed to do the movement.

In passive mechanisms, energy is not used, while in active transport, energy is needed. Diffusion or passive transport are moving the concentration from hight to low so the energy is not necessary. Active transport moves from low to a high concentration and it uses metabolic energy.

4 0
3 years ago
What is a plastid? <br><br><br> No links please.
meriva

Answer:

Explanation:

A plastid is an organel that is found in the cells of plants, algae, and some other eukaryotic organisms. There are three kind of plastids; chloroplast, chromoplast, and leucoplast.

 Plastids contain pigments which is used in photosynthesis and the colour pigments that determine the colour of plant.

5 0
2 years ago
Some will require energy and a transporter protein in the membrane. Amino acids use this form of transport, called ____________
bearhunter [10]

Answer:

Active transport

Explanation:

The process of transport of substances that uses energy and carrier proteins of the membrane is called active transport. Amino acids can not cross the hydrophobic core of the membrane and therefore, are transported through carrier proteins. The carrier proteins transport the amino acids using energy and the process is called active transport.

3 0
2 years ago
What is true of an atom's nucleus?
andreyandreev [35.5K]

Answer:

C

Explanation:

It is positively charged and include most of the atom's mass.

8 0
2 years ago
Does social distancing increase or decrease your carbon footprint?
Andrej [43]

Answer:

Decrease

Explanation:

The carbon footprint is <u>the amount of carbon (in terms of greenhouse gases) being emitted by human activities</u>. In a situation where <u>social distancing is encouraged, human activity would reduce significantly</u>. Very few people will be outside and the causative agents of pollution (anthropogenic) will be significantly reduced. Further, nature would be able to minimize the impacts of pollution when human activities are less than the threshold capacity.

Let's take an example of coronavirus spread globally this year. The social distancing of 2 meters has significantly reduced the number of people going outside. Ultimately, there are fewer automobiles on the roads and a few industries are running. The result is that the air quality index has been significantly improved. For example, in India, people from 300 km away, can see the Himalayan mountain range very clearly (see image attached). This has not happened in decades after modern industrialization.

4 0
2 years ago
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