Biology Ch. 7 Vocab Test Flashcards

1
Q

Basic unit of structure and organization of all living organisms

A

Cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

States that (1) organisms are made of one or more cells; (2) cells are the basic unit of life; and (3) all cells come only from other cells

A

Cell theory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Flexible, selectively permeable boundary that helps control what enters and leaves the cell

A

Plasma membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Specialized internal cell structure that carries out specific cell functions such as protein synthesis and energy transformation

A

Organelle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Unicellular organism with membrane-bound nucleus and organelles

A

Eukaryotic cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

In eukaryotic cells, the central membrane-bound organelle that manages cellular functions and contains DNA

A

Nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Microscopic, unicellular organism without a nucleus or other membrane-bound organelles

A

Prokaryotic Cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Property of the plasma membrane that allows it to control movement of substance into or out of the cell

A

Selective Permeability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Plasma membranes layers composed at phospholipid molecules arranged with polar heads facing the outside and nonpolar tails facing the inside.

A

Phospholipid bilayer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Protein that moves substances or wastes through the plasma membrane

A

Transport Protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A plasma membrane with components constantly in motion sliding past one another or written the lipid bilayer

A

Fluid Mosaic Model

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Semifluid material inside the cell’s plasma membrane

A

Cytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Supporting network of protein fibers that provide a framework for the cell within the cytoplasm

A

Cytoskeleton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Simple cell organelle that helps manufacture proteins

A

Ribosome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The site of ribosome production within the nucleus of eukaryotic cells

A

Nucleolus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Highly, folded membrane system in eukaryotic cells that is the site for protein and lipid synthesis

A

Endoplasmic Reticulum

17
Q

Flattened stack of tubular membranes that modifies, sorts, and packages proteins into vesicles and transports them to other organelles in or out of the cell

A

Golgi Apparatus

18
Q

Membrane-bound vesicle for temporary storage of materials such as food, enzymes, and waters

A

Vacuole

19
Q

Vesicle that uses enzymes to digest excess or worn-out cellular substances

A

Lysosome

20
Q

Organelle that plays a role in cell division and its made of microtubules

A

Centriole

21
Q

Membrane-bound organelles that converts fuel into energy that is available to the rest of the cell

A

Mitochondrion

22
Q

Double-membrane organelle that captures light energy and converts it to chemical energy through photosynthesis

A

Chloroplast

23
Q

In plants, the rigid barrier that surrounds the outside of the plasma membrane is made of cellulose, and provides support and protection to the cell

A

Cell Wall

24
Q

Short, hairlike projection that functions in cell movement

A

Cilium

25
Q

Long, tail-like projection with whiplike or propeller motion that helps a cell move

A

Flagellum