Answer:
The reactants for photosynthesis are light energy, water, carbon dioxide, and chlorophyll.
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The answer is A, sediments. Mud, silt and clay can all be found at the bottom of a river, where sediment is formed.
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Answer:
undergo irreversible repression
Explanation:
Cellular differentiation refers to the process by which one cell and/or cell population divides and differentiates into more specialized cells. During cell fate differentiation, epigenetic marks modify chromatin structure in order to hamper the accessibility of the transcriptional machinery and transcriptional factors to different genes, which are irreversibly repressed. These epigenetic marks include DNA methylation and histone modifications (e.g., histone acetylation, histone methylation, etc). For example, it has been shown that DNA methylation and histone H3 lysine 27 tri‐methylation (H3K27me3) are epigenetic repressive marks on genomic regions that play a major role in gene expression programs during cell fate differentiation.
The main things the WWF is doing with regard to circle hooks are supporting innovation and educating people.
Circle hooks help to reduce sea turtle deaths by up to 90%. The WWF has encouraged the elimination of tariffs on these hooks, and funds for further innovation for safer hooks. It has also led education initiatives to inform individuals, industries, and governments of the dangers of J-shaped hooks.
