細胞核:呈球狀,為細胞生命中樞,控制代謝和遺傳,決定細胞生死
細胞質:膠狀水溶液,代謝場所,內有粒線體:養分轉換成細胞活動的能量,又稱細胞發電場,液胞:能暫存水,養分,廢物,成熟植物液胞較大,葉綠體:呈綠色,進行光和作用,製造葡萄糖
細胞膜:控制物質出入細胞,與外界隔離位於細胞表面,有脂質,蛋白質,醣類所組成
細胞壁:纖維素所組成保護細胞,維持細胞形狀
2014年9月30日 星期二
細胞的構造
2014年9月27日 星期六
2014年9月26日 星期五
2014年9月14日 星期日
United States branches and parties
United States branches
The executive is the part of government that has sole authority and responsibility for the daily administration of the state. The executive branch executes or enforces the law. The division of power into separate branches of government is central to the idea of the separation of powers.
A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature or parliament.
The members or legislators of a senate are called senators.
The United States House of Representatives is one of the two houses of the United States Congress (a bicameral legislature). It is frequently referred to as The House.
Congress --- Senate House of Representatives
United States parties
The Democratic Party is one of the two major contemporary political parties in the United States.The Republican Party, also commonly called the GOP (abbreviation for Grand Old Party), is one of the two major contemporary political parties in the United States.
The Republican Party
The Democratic Party
The executive is the part of government that has sole authority and responsibility for the daily administration of the state. The executive branch executes or enforces the law. The division of power into separate branches of government is central to the idea of the separation of powers.
A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature or parliament.
The members or legislators of a senate are called senators.
The United States House of Representatives is one of the two houses of the United States Congress (a bicameral legislature). It is frequently referred to as The House.
United States Congress | |
---|---|
113th United States Congress | |
Type | |
Type | |
Houses | Senate House of Representatives |
Leadership | |
Structure | |
Seats | 535 voting members: 100 senators 435 representatives 6 non-voting members |
Senate political groups
|
Majority (55)
Minority
|
House of Representatives political groups
|
|
Elections | |
Senate last election
| November 6, 2012 |
House of Representatives last election
| November 6, 2012 |
Meeting place | |
United States Capitol Washington, D.C., United States | |
United States parties
The Democratic Party is one of the two major contemporary political parties in the United States.The Republican Party, also commonly called the GOP (abbreviation for Grand Old Party), is one of the two major contemporary political parties in the United States.
The Republican Party
The Democratic Party
This article is part of a series on the politics and government of the United States |
訂閱:
文章 (Atom)