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Studentka2010 [4]
3 years ago
5

Which of these is an example of structural protein in plants

Biology
1 answer:
diamong [38]3 years ago
3 0

Answer:

I believe the answer is <em>keratin</em><em> </em>

Explanation:

<em>PLEASE</em><em> </em><em>DO MARK</em><em> </em><em>ME AS</em><em> </em><em>BRAINLIEST UWU</em><em> </em>

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when we observe an organism or environment what are we observing A. changes B. similarities C. colors​
salantis [7]

Answer:

II really have no idea but it might be A?

Explanation:

If I'm wrong I'm so sry T-T

6 0
3 years ago
As a class, penicillins usually are more effective in infections caused by which type of bacteria?
Bezzdna [24]

In gram positive bacteria have a peptidoglycan layer outside of the cell wall. Gram negative bacteria have peptidoglycan between membranes.

The natural penicillin have activity against non beta lactamase producing gram - positive cocci, which includes such as - viridans streptococci, anaerobic streptococcus. Penicillin work indirectly bursting bacteria cell walls. It kills bacteria through binding of that betalactum ring.

Gram positive bacteria have a much thicker layer of peptidoglycan and lack of the protection of an outer membrane. This class , penicillin was first antibiotic to be used widely and prevents the final cross linking step. There are some more classes of penicillin like- natural , penicillin-stable, aminopenicillins and extended-spectrum penicillin.

To learn more about gram positive bacteria here

brainly.com/question/13794411

#SPJ4

5 0
1 year ago
Glycine (C2H5NO2) is added to a growing peptide chain containing methionine (C5H11NO2S) and alanine (C3H7NO2). Which of the foll
ArbitrLikvidat [17]

Answer:

Beta sheets?

Explanation:

I don't have picture to answer it but based on my understanding, glycines are very flexible thus they are uncommon in alpha helix (proline are rigid and kink stuff thus they are uncommon in right handed alpha helix).

Therefore, beta sheets should be the best orientiation.

6 0
2 years ago
Vascular plants transport water and nutrients to all parts of the plant through-
earnstyle [38]

Answer:

option c

Explanation:

Vascular plants transport water and nutrients using the vascular bundles, xylem and phloem. Xylem transports the former and phloem the latter

5 0
2 years ago
According to MacArthur and Wilson's hypothesis of island biogeography, species immigration and extinction rates on a particular
lozanna [386]

Answer:

The correct answer will be- Option-A

Explanation:

The Theory of Island Biogeography was proposed by the MacArthur and Wilson's in 1967 which proposed that the number of species-immigration and extinction rates are determined by the size of the island and distance of the island from the mainland.  

The suggestions made by them are:

1. The islands which remain farther from the mainland receive very few species as compared to the closest mainland.

2. Smaller island shows a high rate of species extinction as compared to the larger island.

Thus, option-A is the correct answer.

4 0
3 years ago
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