【单选题】Insulin helps glucose to enter the cells by__________.
A.
binding to insulin receptors and activating glucose transporters
B.
directly creating pores on the cell membrane
C.
increasing the concentration gradient of glucose across cell membrane.
D.
decreasing the concentration gradient of glucose across cell membrane.
【多选题】ABC分类法按照( )把存货分在A、B、C三类。
【多选题】What is the glucose tolerance test?
A.
The individual fasts overnight, then drinks a test dose of 100 g of glucose dissolved in a glass of water. The blood glucose concentration is measured before the test dose and at 30 min intervals for several hours thereafter.
B.
A healthy individual assimilates the glucose readily, the blood glucose rising to no more than about 9 or 10 mM; little or no glucose appears in the urine.
C.
In diabetes, individuals assimilate the test dose of glucose poorly; their blood glucose level rises dramatically and returns to the fasting level very slowly.
D.
Because the blood glucose levels exceed the kidney threshold (about 10 mM), glucose also appears in the urine.
【单选题】Glucose typically enters the cell through which mechanism?
A.
pinocytosis through a channel protein
B.
Active transport by a glucose transport protein
C.
Simple diffusion through the cell membrane
D.
Facilitated diffusion through a carrier protein
【多选题】被告朱某在庭审过程中发现某审判员与原告代理律师显得很熟悉,事后查明二人是大学同寝室的同学。第二次开庭时,朱某申请该审判员回避,对此法院则应当如何处理?( )
【单选题】Because glucose has several metabolic routes it might take once it arrives in the cytoplasm, which one of the following reactions would commit the glucose to following the glycolytic pathway?
A.
Glucose to glucose 1-P
B.
Glucose to glucose 6-P
C.
Fructose 6-P to fructose 1,6-bisP
D.
Fructose 1,6-bisP to dihydroxyacetone phosphate and glyceraldehyde 3- P
E.
Glucose 1-P to glucose 6-P
【单选题】如下图所示,某公司局域网防火墙由包过滤路由器R 和应用网关F 组成,下列描述中错误的是( )。
A.
可以限制计算机C只能访问Internet 上在TCP 端口80上开放的服务
B.
可以限制计算机A仅能访问以“202”为前缀的IP 地址
C.
可以使计算机B 无法使用FTP 协议从Internet 上下载数据
D.
计算机A能够与计算机X建立直接的TCP 连接
【单选题】项目经理管理一个产品开发项目。产品通过测试,且最终版本将向客户发布。项目发布之前客户发现在最终发布版本中必须修复一个关键问题。客户同意支付由于产品变更而产生的相关费用。项目经理首先应该怎么做?( )
A.
拒绝客户的请求,并建议在后续版本中修复这个问题。
【单选题】某公司局域网防火墙由包过滤路由器R和应用网关F组成,如图3-3所示,下面描述错误的是(34)。
A.
计算机C能够与计算机X直接地建立端口23的TCP连接
B.
可以限制计算机B只能访问Internet上在TCP端口80上开放的服务
C.
可以使计算机B无法使用FTP协议从Internet上下载数据
D.
可以限制计算机A仅能访问以“202”为前缀的IP地址