Human BRCA1 and BRCA2 are large proteins (1,834 and 3,418 amino acid residues, respectively) that interact with a wide range of other proteins involved in transcription, chromosome maintenance, DNA repair, and control of the cell cycle.
举一反三
- All cells have a cell membrane made of proteins and ( ). A: lipids B: glucose C: amino acid D: fructose
- Proteins are large polymeric biomolecules made of monomer units called (nucleotide/ amino acids).
- Many proteins can be grouped into protein families, in which each family member has an amino acid sequence and a three-dimensional conformation that closely ________ those of the other family members.
- 下列关于乳腺癌诱发基因BRCA的说法不正确的是（ ）。 A: 属于肿瘤抑制基因 B: 分为BRCA1和BRCA2两种 C: 遗传性乳腺癌患者中约90%发生BRCA基因的突变 D: 属于肿瘤原癌基因
- Proteins are large biological molecules consist of which of the following amino acids?: D-α-amino acids|D-β-amino acids|L- and D-β-amino acids|L-α-amino acids|L-β-amino acids