举一反三
- Reporter genes can be used to indicate not only the amount of gene expression, but also the sites of the expressed proteins.
- The observation that some genes are mosaics of other genes can be explained by ______. A: evolution B: drift C: exon shuffling D: gene duplication E: pseudogenes
- Which of the following is correct about the gene chip? A: It can simultaneously analyze the variation of multiple genes. B: Microarray sample density is very small. C: It can be used to study the expression of multiple genes. D: It is mainly used for the analysis of single gene structural variation.
- 中国大学MOOC: English and Chinese have great differences in the expression of numbers, which is mainly reflected in their different ways of segmentation. In English every ______ single digit is put in a segment, and each segment is denoted by words like "thousand", "million", "billion" and "trillion" from low to high. In Chinese, every four single digit is put in a segment.
- 关于“基因”一章引用文本“What exactly is a gene”这一科普动画中，描述不够准确的有 A: Genes make proteins. B: A gene is a special stretch of DNA. C: Many creatures share some of the same genes. D: Each one of our cells contains 46 strands of DNA.
内容
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在“基因与基因病”一节所引用的“What exactly is a gene”这一科普动画中，描述不够准确的有（ ）。 A: A. Genes make proteins. B: A. A gene is a special stretch of DNA that codes for something. C: A. Some genes are small, others are well over a million. D: A. Each one of our cells contains 46 strands of DNA.
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Translate the following sentences into Chinese.Just as some biological genes can regulate other genes, some of the software genes can switch other software genes on or off.
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Appropriate regulation of different genes is accomplished by different combinations of a limited repertoire of transcription factors at each gene, a mechanism referred to as _____________________.
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From this triangle, we can get some formulas of different love.
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4. I like to shop at stores ______ I can find products from different countries.