What cells were choloroplants present in? What did they look like in various cells?

1 answer:

8 0

Chloroplasts are found in plant cells. They look like small, bean-shaped green structures. Inside, they contain even smaller flat sacs known as thylakoids, formed in stacks called grana.

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3 years ago

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Explanation:

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2 years ago

Arrange these words in a correct order: community, cell, organism, organ system, biosphere, molecule, tissue, organelle, populat

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Which of the following events normally activates a GTP-binding protein?a).GTP hydrolysis by the protein Activation of an upstrea

olya-2409 [2.1K]

<h3><u>Answer;</u></h3>

b). Activation of an upstream guanine nucleotide exchange factor

<h3><u>Explanation</u>;</h3>

<em><u>When a ligand activates the G protein-coupled receptor, it induces a conformational change in the receptor that allows the receptor to function as a guanine nucleotide exchange factor (GEF) that exchanges GDP for GTPthus turning the G protein-coupled receptor on.</u></em>
The activated G-protein then dissociates into an alpha (G-alpha) and a beta-gamma complex.

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2 years ago