皮皮学，免费搜题
登录
搜题
【简答题】
蛋白质的高级结构又称空间结构或三维结构,是指蛋白质分子中的各原子或基团在( )的排列分布,因此又称为蛋白质的构象。根据折叠程度不同又常把蛋白质的空间结构细分为( )级、( )级和( )级结构。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】关于老年肺康复的重要性说法正确的是
A.
老年肺部疾病病程长、复发率高，严重影响患者生活质量
B.
肺康复能帮助老年患者减少症状，从而达到治愈疾病的作用
C.
肺康复不能帮助食管切除手术的患者缩短住院时间
D.
胸外科手术的患者不能进行肺康复
【单选题】If an investor purchases a bond when its current yield is higher than the coupon rate, then the bond's price will be expected to:
A.
decline over time, reaching par value at maturity.
B.
increase over time, reaching par value at maturity.
C.
be less than the face value at maturity.
D.
exceed the face value at maturity.
【单选题】Which of the following are generally TRUE of bonds?
A.
A bond's return equals the yield to maturity when the time to maturity is the same as the holding period.
B.
A rise in interest rates is associated with a fall in bond prices, resulting in capital gains on bonds whose terms to maturity are longer than the holding periods.
C.
The longer a bond's maturity, the smaller is the size of the price change associated with an interest rate change.
D.
Prices and returns for short-term bonds are more volatile than those for longer-term bonds.
【判断题】A movement along the demand (or supply) curve occurs when the quantity demanded (or supplied) changes at each given price (or interest rate) of the bond in response to a change in some other factor be...
A.
正确
B.
错误
【单选题】The duration of a coupon bond increases
A.
the longer is the bond's term to maturity.
B.
when interest rates increase.
C.
the higher the coupon rate on the bond.
D.
the higher the bond price.
相关题目：