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AlexFokin [52]
4 years ago
12

What is the function of the cell membrane? A. To determine what materials can enter or leave a cell B. To package proteins in an

animal cell C. To contain the genetic information of an organism D. To transport materials throughout a cell
Biology
2 answers:
Nata [24]4 years ago
6 0
The answer : A explanation:
Structure of Plasma Membranes
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
Mamont248 [21]4 years ago
5 0
A. to determine what materials can enter or leave a cell
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The process of photosynthesis can be represented by the chemical formula
lakkis [162]

Answer:

Photosynthesis is defined as the process by which plants make their own food in the presence of sunlight by utilizing water and carbon dioxide and produces energy.

The whole of process of photosynthesis can be represented by the following chemical formula:

6CO2 + 6H2O + sunlight energy = C6H12O6 + 6O2

CO2 - carbon dioxide

H2O - Water

C6H12O6 - Glucose

O2 - Oxygen

During photosynthesis glucose is formed from water and carbon dioxide and produces energy which is further converted into pyruvate that releases adenosine triphosphate (ATP) through cellular respiration. Oxygen is also formed.

The process takes place in two sequential stages  Light dependent reactions and  light-independent reactions.

7 0
3 years ago
A volcanic eruption covers a wide area of forest with Ash lava and volcanic rock.
Dvinal [7]

Answer:

it is C

Explanation:

4 0
3 years ago
What event occurs in photosystem 1?
Aleonysh [2.5K]
Pigments in photosystem 1 use energy from light to reenergize the electrons.
8 0
3 years ago
What protects your skin that is made of flattened skin cells?
Evgesh-ka [11]
Organ system that provides protectionfor the body and maintains homeostasis. (skin, hair, nails) Madeup of Epidermis & Dermis. Theoutermost, thin layer of skin, which contains proteins and is composed of 5 smaller layers of stratified squamous.
8 0
4 years ago
Pheromones are a special type of compound secreted by the females of many insect species to attract the males for mating. one ph
boyakko [2]
Molar mass of C is 12.01g/mol.
Molar mass of H is 1.01g/mol.
Molar mass of O is 16.00g/mol.

If we have 19 atoms of C, 38 atoms of H, and 1 atom of O, then we have:
19*12.01+38*1.01+1*16.00=282.57g/mol
282.57g/mol is the molar mass of the pheromone molecule.

Supposing that "<span>1.8 10-12 g" is 1.8*10^(-12)g then, this quantity of pheromones, shoud be divided by the molar mass of the pheromone molecule:
1.8*10^(-12)/282.57g/mol=6.37*10^(-15)moles

Using now Avogadro's number of molecules in 1mol (6.02*10^(23)) it is possible to know how many molecules are there in this pheromone quantity.
</span>6.02*10^(23)/6.37*10^(-15)=9.45*10^(37)molecules

So, in this quantity of the pheromone there are approximately 9.45*10^(37)molecules of it.
5 0
3 years ago
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