2A and 2B

Question 1

Model

Answer 1

A model simplifies something in the world to explain it , describe, or represent it. MODELS ARE SUBJECT TO BEING CHANGED OR REPLACED.

Question 2

Cell Theory

Answer 2

1. All living things are made of one or more cells.
2. All cells come from preexsisting cells.
3. Cells perform the functions of living things.

Question 3

Eukaryotic Cell

Answer 3

A cell with a nucleus

Question 4

Prokaryotic cell

Answer 4

A cell without a nucleus

Question 5

Unicellular

Answer 5

Having only one cell

Question 6

Multicellular

Answer 6

Having more than one cell

Question 7

Cell

Answer 7

The smallest working unit of an organism

Question 8

Organ

Answer 8

A group of tissues that work together

Question 9

Tissue

Answer 9

A group of similar cells that work together

Question 10

Organelles

Answer 10

The usually membrane surrounded structures in a eukaryotic cell that performs special functions.

Question 11

Cell membrane

Answer 11

The structure that surrounds all cells and regulates what comes in and goes out

Question 12

Cell wall

Answer 12

A rigid structure that surrounds and protects some cells

Question 13

Capsule

Answer 13

A slimy layer surrounding some bacteria that protects them from harmful substances and prevents their drying out

Question 14

Cytoplasm

Answer 14

The material inside of cell EXCLUDING the nucleus

Question 15

Flagellum

Answer 15

A whip like structure that some cells used to propel themselves through their environment

Question 16

DNA

Answer 16

The molecule that contains important information for making proteins and helps regulate many cellular processes

Question 17

Chromosomes

Answer 17

A structure that contains a cells DNA

Question 18

Endoplasmic reticulum

Answer 18

A network of tubes in eukaryotic cells that help produce and transport proteins and other molecules throughout the cell

Question 19

Nucleus

Answer 19

the structure that holds and protects the DNA in a eukaryotic cell

Question 20

Golgi apparatus

Answer 20

The organelles in the eukaryotic cell that modifies many proteins and packages them into small bubble like structures called vesicles

Question 21

Ribosomes

Answer 21

A small structure that assembles proteins found in both prokaryotic and eukaryotic cells

Question 22

Cytoskeleton

Answer 22

Several types of long thin fibers anchored to various parts of the cell that help the cell maintain and change its shape

Question 23

Lysosomes

Answer 23

A small organelle in a eukaryotic cell that acts as the demolition crew within a cell

Question 24

Enzyme

Answer 24

A protein that speeds up or slows down chemical reactions

Question 25

ATP

Answer 25

The molecule that a cell uses to power many processes in the cell that need chemical energy

Question 26

Mitochondria

Answer 26

The powerhouse cell which makes most of the cells ATP which is used to power cellular processes

Question 27

Rough endoplasmic reticulum

Answer 27

Has protein producing ribosomes attached to its surface

Question 28

Smooth endoplasmic reticulum

Answer 28

Makes fat molecules for the cell membrane

Question 29

Vessel

Answer 29

An organ that conducts blood through an animals body

Question 30

Theodor Schwan

Answer 30

German scientist that helped make the discoveries that later became the central idea of cell theory (animals are made of cells)

Question 31

Matthias Schleinden

Answer 31

German scientist that helped make the discoveries that later became the central idea of cell theory (all plants are made of cells)

Question 32

Rudolph Virchow

Answer 32

German scientist that helped make the discoveries that became the central idea of cell theory (cells come from other cells)

Question 33

Robert Remak

Answer 33

German scientist that helped make the discoveries that became the central idea of self theory (cells can divide to make new ones)

Question 34

Robert Hooke

Answer 34

English scientist He was the first to observe plant cells which he named "cells".

Question 35

Cytoskeleton

Answer 35

Consist of several types of long thin fibers anchored to various parts of the cell it helps to sell maintain and change its shape it also serves as a highway for moving vesicles in organelles

Question 36

Vesicles

Answer 36

Small bubble like structures that transport the proteins to their final destination

Question 37

Anthony Leeuwenhoek

Answer 37

The first discover and describe microorganisms like bacteria Protozoa sperm cells and red blood cells

Question 38

Robert Brown

Answer 38

Contributed to the cell theory through his detailed description of the plant cell nuclei he also named the term "nucleus"