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Aleks [24]
3 years ago
6

Explain the processes of diffusion and osmosis and their roles within a cell.

Biology
2 answers:
andrew11 [14]3 years ago
7 0

Answer:

n order to function, cells are required to move materials in and out of their cytoplasm via their cell membranes. These membranes are semipermeable, meaning that certain molecules are allowed to pass through, but not others. This movement of molecules is mediated by the phospholipid bilayer and its embedded proteins, some of which act as transport channels for molecules that otherwise would not be able to pass through the membrane, such as ions and carbohydrates.

svlad2 [7]3 years ago
7 0
Functions that are occurring
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Epinephrine acts as a signal molecules that attaches to ____ proteins.
tia_tia [17]

Answer:

G-protein-linked receptor

Explanation:

Epinephrine acts via G-protein-linked receptors. The heterotrimeric G proteins located within the cell are activated by G protein-coupled receptors that span the cell membrane. Signaling molecules bind to a domain on the GPCR located outside the cell, and an intracellular GPCR domain then in turn activates a particular G protein.

7 0
3 years ago
Why is it impossible to understand the totality of the interactions among the organisms in the biosphere?
Aleonysh [2.5K]
In order to understand the totality of the interactions among the organisms in the biosphere, we need to at least understand <span>how the all genes function within organisms and </span>interact<span> with others organism and environment around it.
If we try to make this effort in a world where organisms will keep evolving and environment will keep changing like us, that tasks is impossible to finish.</span>
8 0
3 years ago
Which of the following represent features of technology? Check all that apply.
IgorC [24]

Answer:

Explanation:

draws from a narrow range of basic sciences.

represents intelligent problem solving

Hope this helps you good luck (:

7 0
3 years ago
Read 2 more answers
Light passes through a single slit of
leonid [27]

Answer:

Your answer would be betwen 400 to 700 nm

7 0
2 years ago
How do the laws of thermodynamics relate to the transformation of energy in organisms? Use the terms autotroph and heterotroph w
yarga [219]

Answer:

he organisms that can fix energy from inorganic sources into organic molecules are called autotrophs. Organisms that cannot make their food from inorganic sources but depend on energy rich organic molecules synthesized by autotrophs for their energy needs are called heterotrophs.

The only source of energy for all the ecosystems of the earth is the sun. Light falling on the plants is trapped by the producers or autotrophs in the presence of chlorophyll and is used in synthesizing the organic food called glucose by the process of photosynthesis. By photosynthesis radiant energy of sunlight is transformed into potential energy of food. A part of this energy is trapped by the producers while the rest of the energy is dissipated. The remaining part of energy which is used in the synthesis of plant biomass is called photosynthate which is then available to the next trophic level in the food chain that is the consumers or heterotrophs. In an ecosystem there is a unidirectional flow of energy.

7 0
2 years ago
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