【单选题】Which hormone stimulates its target cells to divide, increases their rate of protein synthesis, decreases their use of glucose and increases their use of fats?
【单选题】There are several isozymes of protein kinase C (PKC), each with a characteristic tissue distribution, target protein specificity, and role. Their targets include cytoskeletal proteins, enzymes, and __...
A.
water-soluble proteins
C.
water-insoluble proteins
【单选题】Which of the following proteins (protein complexes) is responsible for the binding of siRNA to target mRNA?
【判断题】当事人及其法定代理人要求公安机关负责人、办案人员回避的,应当提出申请,并说明理由。( )
【判断题】During gene editing by CRISPR/Cas9, the genes encoding the Cas9 protein and sgRNA are introduced into a cell where a targeted genomic change is planned. The sgRNA has a region complementary to the cho...
【单选题】More than ______ of all drugs on the market target one G protein-coupled receptor (GPCR) or another.
【单选题】What is the advantage of using GFP-tag to visualize specific proteins, instead of staining cells with fluorescent dyes that bind to the target protein?
A.
GFP fusions enable one to track changes in the location of the protein in living cells; staining usually requires fixed cells
B.
GFP fusions enable higher resolution than staining with fluorescent probes.
C.
GFP permits the position of the protein in the cell more precisely than fluorescent probes
D.
GFP fusions are not subject to artifacts; fluorescent probes may introduce background artifacts.
【多选题】当事人及其法定代理人要求公安机关负责人、办案人员回避的条件是()。
【判断题】要使考官在短短的几分钟之内了解你、欣赏你,求职应答就要简明扼要,重点突出。