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vesna_86 [32]
4 years ago
9

Which element creates strong proteins in materials like your hair and skin?

Biology
1 answer:
Radda [10]4 years ago
6 0
I’m pretty sure it’s ATP
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What is the special feature of the leaves of C4 plants?
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Answer:

Your answer is A.They contain chloroplasts both in the mesophyll and bundle sheath cells.

Explanation:

 C4 plants have two types of photosynthetic cells: mesophyll and bundle sheath cells. Mesophyll chloroplasts are randomly distributed along cell walls, whereas bundle sheath chloroplasts are located close to the vascular tissues or mesophyll cells depending on the plant species. The cell-specific C4 chloroplast arrangement is established during cell maturation, and is maintained throughout the life of the cell.

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3 years ago
Examples of how humans negatively affect local ecosystems are
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<u>A.  Building dams, deforestation cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.</u>

Explanation:

Removing non-native species from the environment helps the native ants to thrive without having any changes in the ecosystem effect them (i.e. new invasive animal).

Creating laws to prohibit fishing from local streams helps keep the fish alive and allowing them to continue to use this stream.

Planting trees and other plants to attract native species helps secure and grow the ecosystem of that area.

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Scientists have standardized a concise definition of life. true or false
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Scientists have standardized a concise definition of life. true or falseThe answer is False 
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Humans and apes have five fingers they can use to grasp objects. do you think these are analogous or homologous structures? expl
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Analogous structures are structures with different evolutionary ancestries but they have the same function. Examples include; wings of birds, insects and bats. On the other hand homologous structures have similar ancestries and common traits but may not have the same function in an organism. Well; in the above question Human apes have five fingers they can use to grasp objects, which i think these are homologous structures. 
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