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Evgen [1.6K]
3 years ago
5

EMERGENCY HELP FAST!! Fats and oils are esters. They contain a ____ group.

Biology
1 answer:
dezoksy [38]3 years ago
4 0
An alkoxy group
let me know if im wrong please
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Why are phytoplankton important in the carbon cycle?
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Answer:

Microscopic marine phytoplankton play a critical role in regulating todays carbon cycle yet not enough is known about the process. These tiny organisms consume carbon dioxide from atmosphere and move it to marine sediments in deep ocean. And this process is also known as biological pump<em>.</em>

Explanation:

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6 0
2 years ago
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Firlakuza [10]
The answer is A. small nutrients
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3 years ago
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How are the processes of photos sentences and saw your respiration opposites of one another
dimaraw [331]

Answer:

This question is not well structured. Based on understanding, the correct structure should be: How are the processes of photosynthesis and respiration opposites of one another?

They are opposite because photosynthesis uses the products of cellular respiration and vice versa.

Explanation:

Photosynthesis and cellular respiration are both metabolic processes that occurs within the cells of living organisms. Photosynthesis is the process where green plants synthesize food (sugar) in the presence of sunlight using carbon dioxide (CO2) and water (H2O). The general equation is as follows:

6CO2 + 6H2O → C6H12O6 + 6O2

On the other hand, respiration is the process whereby cells of living organisms synthesize usable energy (ATP) for use by breaking down glucose (C6H12O6) in the presence of oxygen. The equation is as follows:

C6H12O6 + 6O2 → 6CO2 + 6H2O

Based on the observation of the reactants and products of each process, it can be realized that the PRODUCTS of one process is the REACTANTS of the other. In other words, photosynthesis makes use of CO2 and water as REACTANTS, which are the PRODUCTS of respiration while cellular respiration uses glucose and oxygen as REACTANTS, which are PRODUCTS of photosynthesis.

4 0
2 years ago
What prevents blood movement from left ventricle to left atrium​
irina1246 [14]

The Mitral valve which is also known as left atrioventricular prevents blood movement from left ventricle to left atrium.

Explanation:

  • Human heart is four chambered.
  • Two of these are receiving chambers known as atria and the other two are distributing chamber known as Ventricles.
  • Atria are superior chambers and ventricles are inferior chambers.
  • The heart has four valves broadly grouped as Atrioventricular valves and Semi lunar valves.
  • Atrioventricular valves allows flow of blood from atria to ventricle. These are tricuspid valve and bicuspid valve.
  • Semi-lunar valves allow blood to pass out of the heart. These include the pulmonary and aortic valves.
  • The pulmonary valve allows blood to flow from right ventricle  to the heart while aortic valve allows blood to flow from left ventricle to the Aorta.
  • The Tricuspid valve located between the right atrium and right ventricle allows blood to flow from right atrium to the right ventricle.
  • The Bicuspid valve ( Mitral valve)  located between the left atrium and left ventricle allows the blood flow from left atria to left ventricle.
  • Valves maintain the unidirectional flow of blood and thus prevent its back flow.
6 0
3 years ago
Diploid (2n) number of 38, how many chromosomes would be present in an epithelial cell
sergiy2304 [10]
The epithelial cell will have 38 chromosomes
A 2n or 2(19) = 38 chromosomes. This is because n is called haploid number of chromosomes; the number of chromosomes present in the gametes. Epithelial cells like other body cells divides through the process of mitosis; therefore; the parent cells yields daughter cells with the same number of chromosomes (diploid). The other haploid (n) number is present in the gametes which divides by the process of meiosis. 
4 0
3 years ago
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