Cells

Question 1

Cell theory

Answer 1

All things are made of cells
New cells are made from existing cells
Cells are the basic units of life

Question 2

Microscopes uses lenses

Answer 2

To magnify an image by focusing lights or electrons

Question 3

Electrons microscopes

Answer 3

Uses beams of electrons that are focused by magnetic fields

Transmission and scanning

Question 4

Transmission

Answer 4

2 dimensional

Explore cell structure

Question 5

Scanning

Answer 5

3 dimensional

Scanned over surface of specimen

Question 6

Electrons had no color so

Answer 6

False color to let it stand out

Question 7

Cell membrane

Answer 7

A cell with a thin flexible barrier

Question 8

Nucleus

Answer 8

Contains genetic structure in the form of DNA

Question 9

Eukaryotes

Answer 9

Enclose their DNA in nuclei
Complex and large
Has a nuclei

Question 10

Prokaryotes

Answer 10

Doesn’t enclose their DNA In nuclei

No nuclei

Question 11

Cytoplasm

Answer 11

Outside the nucleus

Question 12

Organelles

Answer 12

Little organs

Question 13

Nucleus

Answer 13

Contains the cells DNA

performs instructions

Question 14

Nuclear pores

Answer 14

Allows material to come in and out

Question 15

Chromosomes

Answer 15

Carries cells genetic info

Question 16

Nucleolus

Answer 16

Assembly of ribosomes

Question 17

Vacuoles

Answer 17

Sack that holds water, salt, protein, carbs

Question 18

Lysosomes

Answer 18

Breaks down and

Real organelles that are old

Question 19

Cytoskeleton

Answer 19

“helps the cell maintain its shape and is also involved in movement.”

Helps transport material through the cell

Question 20

Ribosomes

Answer 20

“small particles of RNA and protein found throughout the cytoplasm in all cells. ”