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laiz [17]
3 years ago
12

A plants epidermis contains many small openings called

Biology
1 answer:
Vitek1552 [10]3 years ago
3 0
<span>stomata is the answer hope i helped </span>
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The complement pathway is a critical mechanism for eliminating microbes, and is comprised of more than 30 proteins that are cons
BaLLatris [955]

Answer:

3. Antibody-independent pathways of complement activation rely on complement components that directly bind to microbial surfaces.

Explanation:

There are three pathways of complement activation:

  • The classical pathway.
  • The alternative pathway.
  • The lectin pathway.

The classical pathway is triggered by binding of C1 either to the pathogen surface or to antibody bound to the pathogen.

The alternative pathway is triggered by the spontaneous hydrolysis of soluble C3 to C3(H₂O) and initiates eventual deposition of C3 convertase on microbial surfaces.

The lectin pathway is triggered by the binding of mannose-binding lectin or ficolins to carbohydrate residues in microbial cell walls and capsules.

6 0
3 years ago
It is easier to remove an electron from the outer energy level than from one closer to the nucleus
Ivanshal [37]

This is a true statement. An electron closer to the nucleus would be difficult to remove because the electronegativity of the atom would be greater.

7 0
3 years ago
black coffee has a pH of 5, therefore its H+ concentration is ______ times greater than a solution with a pH of 10.
Tju [1.3M]

Answer:

100,000

Explanation:

pH of coffee = 5

pH of solution = 10

Concentration of H+ ions between successive pH values are in multiples of 10

Hence, the pH difference :

pH of solution - pH of coffee

(10 - 5) = 5

Hence, difference in H+ ions will be :

10^5 = 10*10*10*10*10 = 100,000 times

6 0
2 years ago
What is atomic number
maksim [4K]
I feel the same I'm so dumb
3 0
3 years ago
What are the monomers of Carbohydrates
natita [175]
The answer to this is Lipids, nucleic acids, proteins, glycerol and fatty acids.   
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3 years ago
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