Three terms to describe a cow

Biology

1 answer:

notka56 [123]3 years ago

5 0

Answer:

Herbivore, primary consumer, and part of trophic level 2

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What molecule is responsible for carrying the acetyl group from pyruvate into the citric acid cycle?

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During Glycolysis, one molecule of glucose is converted into two molecules of pyruvic acid in the cytoplasm of the cell. Pyruvic acid is then moved into the inner matrix of the mitochondria, which is the organelle within the cell responsible for the generation of energy. The pyruvic acid molecule is converted into acetyl Co-A, which is the molecule that enters the Krebs Cycle. In the Krebs Cycle, acetyl Co-A is attached to oxaloacetate acid to form citric acid; the Krebs Cycle is alternately known as the citric acid cycle.

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What organelle does the mRNA strand go to so protein synthesis can start?

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Answer:

The mRNA strands go to the cytoplasm to meet ribosomes so protein synthesis can start.

Explanation:

In protein synthesis, the first step is to synthesize messenger RNA, mRNA. The coping process of the DNA section for the desired protein is called transcription, and it happens in the nucleus. After that, it occurs translation, when the formed mRNA moves to the cytoplasm through the nucleus membrane pores. Protein synthesis is initiated in the cytoplasm when mRNA meets a free ribosome, the primary structure for protein synthesis. Ribosomes are made of protein and ribosomal RNA and can be found in the rough endoplasmic reticulum or floating in the cytosol. They read the mRNA code and add the correct amino acid using transference RNA to build the protein. mARN has a start and end codon that tells where to start and stop adding amino acids. When the ribosome reaches the end codon, it means that protein synthesis is finished. The new protein is driven to the rough endoplasmic reticulum and translocated to the lumen. Once there, the protein suffers a few modifications, one of them is folding to become functional. Finally, protein is transported by vesicles to the Golgi complex, and from there to its final destiny.

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The addition of acetyl groups to histones is associated with

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The addition of acetyl groups to histones is associated with chromatin condensation and and higher levels of gene expression

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State two specialised cells found in plants

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Answer:

xylem cell and phloem cell