These are substances which specifically latch onto the protein on the cell membrane.

这些是专门黏附在细胞膜蛋白质上的物质。

《柯林斯英汉双解大词典》

For starters, protein is critical for every cell in our body.

首先，蛋白质对我们身体的每个细胞都至关重要。

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Before egg fertilization, the gene produces a protein, found in the cytoplasm of the egg, that controls the pattern of cell division and thus handedness.

卵子受精之前，这种基因会产生一种蛋白质，这种蛋白质存在于卵子的细胞质中，它控制着细胞分裂的模式，从而控制着旋向性。

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So if it's not a cell that's going through division you can't use a retrovirus to express the protein.

如果细胞不在分裂阶段,你就不能用逆转录病毒来表达某个蛋白

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Essentially, what they are is it's a protein that spans the membrane of a cell.

本质上来说，它是一个横跨细胞膜的蛋白质。

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They're red because they contain a special protein called hemoglobin which is very concentrated inside the cell.

红细胞的红色源于,其内部一种叫做血红蛋白的特殊蛋白质,血红蛋白在细胞内的浓度很高

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With the help of Chiara Cirelli, who also works at the University of Wisconsin, Dr Tononi has created a mutant fruit fly that sleeps only two or three hours a night. (A normal fly sleeps between eight and 14 hours.) The mutation itself is in a gene for a nerve-cell protein of a type known as an ion channel.

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The ribosome is the structure within the cell where protein synthesis takes place.

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Castrated rats treated with testosterone had significantly reduced heart damage and near-control stem cell and protein levels, the study found.

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