McGraw Hill Biology Ch. 7

A ________ is the basic structural and functional unit of all living organism. (building blocks of life)

• Atom

• Cell

• Cell theory

• Mitochondrion

____________ is a fundamental proposal in biology that contains the three principles:

1- All living things are made of one or more cells

2- Cells are the basic unit of structure/function of all life

3- Cells come from cells, and pass genetic information on to their daughter cells.

• Cell Theory

• Big Bang Theory

• Cellular Life

• Cellular Principles

The boundary that controls what enters and leaves the cell is called the __________.

• Nuclear membrane

• Plasma membrane

• Nuclear envelope

• Sodium potassium ion pump

_______ is a property of the membrane by which it allows some substances to pass through the membrane and some it does not allow to pass through.

• Selective permeability

• Permeability

• Channels

• Osmosis

The plasma membrane is composed of a _____________________, in which two layers of phospholipids are arranged tail-to-tail, as shown in this picture.

• Lipid Layer

• Phospholipid layer

• Phospholipid Bilayer

• Phospholipid membrane

Proteins that span the entire membrane and create a channel for solutes and molecules to move in and out of the cell are called _________________.

• Channel Proteins

• Transport Proteins

• Pump Proteins

• Diffusion Proteins

Specialized structures that carry out certain processes in cells are called ____________.

• Lipids

• Membranes

• Organs

• Organelles

____________ cells contain a nucleus, and _____________ cells do NOT contain a nucleus.

• Prokaryotic, eukaryotic

• Eukarytoic, prokaryotic

• Prokaryotic, Archaea

• Archaea, eukaryotic

A _____________ is a distinct central organelle that contains the cell's genetic material in the form of DNA.

• Membrane

• Nucleus

• Mitochondria

• Ribosome

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

The semi-fluid environment inside of the cell, which all of the organelles "float" in, is known as the __________________.

• Cytoplasm

• Cytoskeleton

• Mitochondria

• Nucleus

Tags

NGSS.MS-LS1-2