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Illusion [34]
3 years ago
13

Heart muscle works hard and therefore consumes much ATP. Which organelles would you expect to be especially numerous in the hear

t muscle cells
Biology
1 answer:
lyudmila [28]3 years ago
5 0

Answer: Mitochondria will be numerous in the heart muscle.

Explanation:

The heart muscle is the muscle that constitute the walls and tissue of the heart. It help to keep the heart pumping during involuntary movement. The heart muscle work hard and costumes alot of energy. The heart muscle have numerous of Mitochondria. Mitochondria is numerous in cells where there is high need of energy.

The Mitochondria is a membrane bound organelles that generate energy which is use by the cells for biological processes. Mitochondria help to generate energy.

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to see blood or to see fingerprints or footprints

Explanation:

if this helps could you please give brainliest

5 0
2 years ago
Sodium ions, oxygen (O2), and glucose pass directly through lipid bilayers at dramatically different rates. Which of the followi
Elodia [21]

Answer:

The correct order, from fastest to slowest, for the passage of molecules and ions through the cell membrane is oxygen, sodium ions, glucose (option D).

Explanation:

The plasma membrane is a lipid bilayer, with glycoproteins and membrane proteins, which constitutes a semi-permeable barrier to the passage of substances into and out of the cell.

The speed with which a substance can pass through the membrane depends on its chemical properties -hydrophilic substances pass through with greater difficulty than lipophilic ones- requiring in some cases specialized transport mechanisms. The different rates with which a substance passes depends on this.

  • <em>Oxygen (O₂) </em><em>passes through simple diffusion, depending on a concentration gradient. It's the molecule that passes through the membrane the fastest. </em>
  • <em>In second place, there would be the </em><em>Na⁺ ions</em><em> -charged atoms- that cross the membrane by facilitated diffusion, through specific ionic channels. </em>
  • <em>The </em><em>glucose</em><em> molecule, being larger, requires the use of transport proteins, being its passage through the membrane slower with respect to oxygen or sodium.</em>

Undoubtedly, molecular weight and affinity for the plasma membrane are determining factors for the passage of molecules through the lipid bilayer.

Learn more:

Simple diffusion and active transport  brainly.com/question/6420224

4 0
3 years ago
Which best describes a recessive allele?
lesya692 [45]
C.only determines phenotype when a dominant allele for the same trait is present.
6 0
3 years ago
Read 2 more answers
the precambrian era begins with a) the first prokaryotic cells forming.  b) the appearance of animals with shells. c) the format
Airida [17]
I think it is A 


hope this helps 
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3 years ago
Roundworms are<br><br> A.Acoelomates<br> B.pseudocoelomates<br> C.coelomates<br> D.none of the above
ollegr [7]
The answer would be A. Im sorry if its wrong

3 0
3 years ago
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