Ch 7

Question 1

Basic unit of all forms of life

Answer 1

Cell

Question 2

Cell theory

Answer 2

All living things are made up of cells, cells are the basic unit of structure and function in living things, new cells are produced from living cells

Question 3

Thin flexible barrier that surrounds all cells; regulates what enters and exits the cell

Answer 3

Cell membrane

Question 4

E center of an atom, which contains neutrons and protons; in cells, the struct that contains the cells genetic material in the form of DNA

Answer 4

Nucleus

Question 5

Eukaryotes

Answer 5

Units which cells contain a nucleus

Question 6

Unicellular organism that lacks a nucleus

Answer 6

Prokaryote

Question 7

Looked at a slice of cork, came up w the name cells

Answer 7

Robert Cooke

Question 8

Pond water, bacteria; cells basic unit of life

Answer 8

Anton van Leeuwenhoek

Question 9

All plants are made of cells

Answer 9

Matthias schledian

Question 10

All animals are made up of cells

Answer 10

Theodor Schwann

Question 11

New cells can be produced only from existing cells

Answer 11

Rudolf Virchow

Question 12

In eukaryotic cells, everything outside the nucleus; in prokaryotic cells, everything

Answer 12

Cytoplasm

Question 13

Specialized structure that performs important cellular functions within a cell

Answer 13

Organelle

Question 14

Cell organelle that stores materials such as water, salts , proteins and carbs

Answer 14

Vacuole

Question 15

Cell organelle that breaks down lipids, carbs,and proteins into small molecules that can be used by the rest of the cell

Answer 15

Lysosomes

Question 16

Network of protein filaments in a eukaryotic cell that gives the cell it’s shape and internal organization and is involved in movement

Answer 16

Cytoskeleton

Question 17

Structure in an animal cell that helps to organize cell division

Answer 17

Centriole

Question 18

Cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell; the sight of protein synthesis

Answer 18

Ribosome

Question 19

Internal membrane system found in the eukaryotic cell; place where lipid components of the cell membrane or assembled.

Answer 19

Endoplasmic reticulum

Question 20

Organelle in cell that modifies, sorts, and packages proteins and other materials from them ER for storage in the cell or release outside the cell

Answer 20

Golgi apparatus

Question 21

Organelles found in plants and some other organisms that catches the energy from sunlight and converts it into chemical energy

Answer 21

Chloroplast

Question 22

Cell organelle that converts chemical energy stored in foods into compounds that are more convenient for the cell to use

Answer 22

Mitochondria

Question 23

Strong supporting layer around the cell membrane in some cells

Answer 23

Cell wall

Question 24

Flexible double layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings

Answer 24

Lipid bilayer

Question 25

Property of biological membrane that allows substances to pass across it while others cannot; also called semipermeable membrane

Answer 25

Selectively permeable

Question 26

Process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated.

Answer 26

Diffusion

Question 27

Process of diffusion in which molecules pass across the membrane through the cell membrane channels

Answer 27

Facilitated diffusion

Question 28

Water channel protein in a cell

Answer 28

Aquaporin

Question 29

Diffusion of water through a selectively permeable membrane

Answer 29

Osmotic

Question 30

When the concentration of two salutes is the same

Answer 30

Isotonic

Question 31

When comparing two solutions, the solution with the greater concentration of solutes

Answer 31

Hypertonic

Question 32

When comparing two solutions, the solution with the less concentration of solutes

Answer 32

Hypotonic

Question 33

Pressure that must be applied to prevent osmotic movement across a selectively permeable membrane

Answer 33

Osmotic pressure