Which lipoprotein involves in the transport process of liver-synthesized triacylglycerides?

The<br/>plasma lipoprotein involved in the reverse transport of cholesterol<br/>(extrahepatic tissues to liver) is ( ) A: HDL B: LDL C: VLDL D: CM

信号识别颗粒（signalrecognitionparticle，SRP）是一种 A: 核糖核蛋白（ribonucleoprotein） B: 糖蛋白（glycoprotein） C: 脂蛋白（lipoprotein） D: 热休克蛋白（hsp）

The enzyme that determines the rate of uptake of dietary fat into tissues such as muscle and fat is called: A: neutral lipase B: pancreatic lipase C: triglyceride lipase D: lipoprotein lipase

A 35-year-old man with severe hypercholesterolemia has a family history of deaths at a young age from heart disease and stroke. Which of the following genes is likely to be defective? A: Apolipoprotein E B: The LDL receptor C: Lipoprotein lipase D: PCSK9 E: LCAT

Which of the following risk factors is most clearly implicated in the development of atherosclerosis and major risk factor? () A: high serum levels of high density lipoprotein (HDL) B: obesity C: sedentary lifestyle D: high total serum cholesterol levels E: Chlamydia pneumonia infection