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soldier1979 [14.2K]
3 years ago
6

Trace the flow of energy by numbering the following events from start to finish.

Biology
1 answer:
Montano1993 [528]3 years ago
5 0
Trace the flow of energy by numbering the following events from start to finish.
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Whar is the control group
Oksana_A [137]

Answer:

Control group remains unchanged.

Explanation:

For example if you are trying to see if watering plants with Pepsi is better.

Your experiment plant would get watered with Pepsi.

Your control plant would get watered with water. (Control groups serve as a reference to compare in the experiment)

3 0
3 years ago
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1. How does the cell membrane allow animals to move without rupturing the cells in the body?
oksian1 [2.3K]

.

Explanation:

1)The cell membrane functions as a semi-permeable barrier, allowing a very few molecules across it while fencing the majority of organically produced chemicals inside the cell. Electron microscopic examinations of cell membranes have led to the development of the lipid bilayer model (also referred to as the fluid-mosaic model). The most common molecule in the model is the phospholipid, which has a polar (hydrophilic) head and two nonpolar (hydrophobic) tails.

2) simple diffusion across the cell plasma membrane. The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down the concentration gradient is , by simple diffusion.

3) some molecules, such as carbon dioxide and oxygen, can diffuse across the plasma membrane directly, but others need help to cross its hydrophobic or however, because they are charged the polar, they can't cross the phospholipid part of the membrane without help .

4) during fission a copy of the DNA is made and attached to the cell membrane as well. As this cell elongate in preparation for fission, the two DNA copies are pulled apart two opposite ends of the cell. New membrane material is deposited between the two ends of the cell, and a new wall grows between them .

5) UMASS STEM-ED From Bubbles to Cell Membranes Workshop. Bubble ... dynamic nature which can't be properly appreciated in a static textbook. ... the small thread through one of the straws.

6) example of passive transport and active transport across a cell membrane so, cell membranes are semipermeable meaning they have control over what molecules can or cannot pass through. Some molecules can just drift Inn.

4 0
3 years ago
Please I need Help!!
GenaCL600 [577]

Answer:

Its in this order: 3 - 4 - 1 - 6 - 5 - 7 - 2 - 8

Explanation:

I learned this a while ago so I would know

5 0
3 years ago
Over 400 years ago, the bark of the cinchona tree was discovered to contain a chemical compound called quinine. Quinine was, and
evablogger [386]

Answer:

a

Explanation:

5 0
3 years ago
Liquid is the state of matter of a substance...
stepan [7]

Answer:

D. that has a definite volume, but no definite shape

Explanation:

There are mainly three states of matter and these are:<em> solid, liquid and gas.</em>

Liquid has a definite volume because<u><em> its particles still remain in contact</em></u> although they're<em> moving freely</em>. On the other hand, such free movement of the particles render it to have "no definite shape." This is the reason why <em>liquid takes the shape of the container it is poured into. </em>

If you pour a<em> 500-ml liquid</em> into a<u> rectangular-shaped container</u>, it will look <u>rectangular</u>. However, its volume of<em> 500-ml</em> will remain the same.

5 0
2 years ago
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