Answer:
Humoral immunity refers to the component of the adaptive immune response that is caused by B cells, antibodies, and type 2 helper T cells (Th2), as well as circulating mast cells and eosinophils to a lesser extent.
Explanation:
If the concentration of molecules outside the cell is very high relative to the internal cell concentration, the rate of diffusion will also be high. If the internal and external concentrations are similar (low concentration gradient) the rate of diffusion will be low.
Answer:
Mitochondria
Explanation:
The mitochondrion is an organelle found in both animal and plants cells. However, it is not found in prokaryotic cells. The mitochondrion is most famously known as the powerhouse of the cell because it produces ATP. The defining visual feature of mitochondria is the wavey-like pattern within the organelle.
Answer:
The answer to your question is below
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Explanation:
a.- Tertiary
b.-
A.- α-Helix
C.- Disulfide bridge
D.- Hydrogen bonding
E .- Hydrophobic interaction
B.- Ionic bond
20.-
2.- α-Helix and β pleated sheets
4.- Collagen and hemoglobin
1.- Determined by the sequence of DNA bases
2.- Form stabilized by hydrogen bonds
3.- Form stabilized by hydrogen bonds, ionic bonds, hydrophobic interactions and disulfide bridges.
4.- Globular proteins
4.- Interaction among several polypeptide chains
3.- Many enzymes
2.-Regular, repeated folding of the peptide chain
1.- Sequence of aminoacids in a protein
Minerals are not found in coals or pearls.
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