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alexira [117]
3 years ago
7

What is the difference between plasma membrane and cell membrane?

Biology
1 answer:
garri49 [273]3 years ago
3 0
The plasma membrane is the boundary between the cell and its environment. It regulates what enters and exits the cell. Cells must maintain an appropriate amount of molecules to function inside them. They must also have a way to keep things out or to allow things to enter. This is the job of the plasma membrane. The plasma membrane is like the guard at a gated community. The guard must inspect those who enter and those who leave to make sure that only the people and things needed in the community are there.

The cell membrane is a thin semi-permeable membrane that surrounds the cytoplasm of a cell. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell, while keeping other substances out. It also serves as a base of attachment for the cytoskeleton in some organisms and the cell wall in others. Thus the cell membrane also serves to help support the cell and help maintain its shape.

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Modeling the Calvin Cycle Exploration
galina1969 [7]

Explanation:

The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Further Explanation:

Photosynthesis is a chemical pathway, integral to plant and other primary producers producing energy. Energy is produced from light, water and carbon dioxide in the form of glucose molecules while the oxygen is emitted.

Photosynthesis, which occurs in several complex steps, is a rate-limited reaction, depends on several factors including concentration of carbon dioxide, ambient temperature, and light intensity; energy is recovered from photons, i.e. light particles, and water is used as a reducer. For those removed from photosystem II, water supplies the chlorophyll in plant cell with replacement electrons.

Therefore, water (H2O) split into H+ a by light during photolysis into H+ and OH-acts as a source of oxygen along with functioning as a reducing agent; it reduces the molecule NADP to NADPH by providing H+ ionsand produces molecules of the energy storage moleciule ATP through an electron transport chain. This occurs in the thykaloids, where pigment molecules like chlorophyll reside.

Later, in dark reactions, NADP and NADPH are used in the Calvin cycle where monosaccharides or sugars like glucose are produced after the modification of several molecules. These hold energy in their bonds, which can be released in respiration in the mitochondria.

Glucose production occurs after G3P production- a molecule of G3P, goes to the cytoplasm from the cycle, to form complex molecules and simple sugars like glucose.

Learn more about Photosynthesis at brainly.com/question/4216541

Learn more about cellular life at brainly.com/question/11259903

#LearnWithBrainly

 

5 0
3 years ago
One end of the rope is vibrated to produce a wave with a wavelength of 0.25 m. The
evablogger [386]

Answer:

3) 0.75m/s

Explanation:

The wavelength of a wave is calculated using the formula;

λ = v/f

Where!

λ = wavelength of wave (m)

v = velocity or speed (m/s)

f = frequency of wave (Hz)

According to this question, one end of a rope is vibrated to produce a wave with a wavelength (λ) of 0.25 m and frequency (f) of 3.0 Hz.

Using λ = v/f

v = λ × f

v = 0.25 × 3

v = 0.75m/s.

5 0
3 years ago
According to lecture, the level of emission reductions pledged by individual countries at the paris climate agreements are suffi
Nikitich [7]

According to lecture, the level of emission reductions pledged by individual countries at the paris climate agreements are sufficient to prevent dramatic climate change according to many scientists. <u>The statement is False.</u>

The issue is that many scientists believe the existing pledged emission reductions won't stop serious climate change.Leading the way in global efforts to combat climate change has been the EU. It played a key role in negotiating the Paris Agreement and continues to lead the world.

The EU presented its updated and improved NDC in December 2020, along with information to promote the ICTU (clearness, transparency, and understanding) of the NDC and a target to cut emissions by at least 55% from 1990 levels by 2030.

By working together, the EU and its Member States are committed to a legally-binding goal of a net domestic reduction of greenhouse gas emissions of at least 55% from 1990 to 2030.

To learn more about Paris Agreement click here

brainly.com/question/25525509

#SPJ4

8 0
2 years ago
How do Earth's crust and mantle differ?
yuradex [85]

Answer:

The crust is thinner and less dense than the mantle.

7 0
3 years ago
Read 2 more answers
4. Where was the highest concentration of sugar
Rama09 [41]
If the question is referring to an osmosis experiment, the high test concentration of sugar in at the beginning will be INSIDE the visking tubing.
3 0
2 years ago
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