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Ivenika [448]
3 years ago
10

Carbon dioxide molecules diffuse through cell membranes, but many other

Biology
1 answer:
Ray Of Light [21]3 years ago
3 0

Answer:

Semi-permeable membrane

Explanation:

In semi-permeable membranes, only some substances can pass through. Sometimes, some can also pass through the channel protein molecules or transport proteins on the cell membrane.

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Blood contains nacl, protein, and cells. the nacl is in a(n) __________, the protein is in a(n) __________, and the cells are in
andreev551 [17]
The answers are solution, colloid, and suspension respectively. 

NaCl or salt is dissolved in the blood. So this makes blood and salts a solution. You won't be able to discern the NaCl in a solution of blood and NaCl.

Proteins in the plasma make blood a colloid. Protein particles are bigger than particles in a solution but are smaller than particles in a suspension. 

Lastly, blood cells and blood make up a suspension. You would notice this characteristic in blood because red blood cells settle. 

You can observe this when your blood is drawn. When it is placed in a test tube and left alone or placed in a centrifuge. The components separate into liquid on top, where you cannot see particles like salt; plasma in the middle, which has pale yellow color and also contains proteins; and the red blood cells at the bottom that settled. 

6 0
3 years ago
Lactic acid fermentation can be modeled by which equation?
Reptile [31]

Lactic acid fermentation can be modeled by the following equation: Pyruvic acid + NADH → Lactic acid + NAD+

LACTIC ACID FERMENTATION:

  • Fermentation is a process undergone by some anaerobic organisms. Ideally, the process of cellular respiration proceeds as follows in the presence of oxygen: Glycolysis- Kreb cycle - ETC.

  • However, in the absence of oxygen (anaerobic condition), the product of glycolysis which is pyruvic acid combines with an electron carrier (NADH) to give rise to lactic acid and NAD+.

  • This means that pyruvic acid is reduced while NADH is oxidized as modelled in the following equation:

  • Pyruvic acid + NADH → Lactic acid + NAD+

Learn more at: brainly.com/question/11502989?referrer=searchResults

4 0
3 years ago
What is the main function of a vacuole in a cell
harkovskaia [24]
They can be used to contain cellular waste and to isolate materials that may be harmful to the cell.
8 0
3 years ago
The epiglottis prevents food and water from entering the _____. The _____ contains special cells that filter air. Air mainly ent
baherus [9]

Answer:

Its

Larynx

Nasal cavity

Nose

Pharynx

Trachea

Explanation:

5 0
3 years ago
Read 2 more answers
When the heartbeat and pulse beat don't match what exists in the animal
Nookie1986 [14]
The difference between the time of the heartbeat and the pulse makes the animal Pulse Deficit.
5 0
3 years ago
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