3.2 cells

Question 1

what does mRNA exit he nucleus through?

Answer 1

nuclear pores

Question 2

what stores the genetic information in the cell?

Answer 2

nucleus

Question 3

what part of the nucleus makes ribosomes?

Answer 3

nucleolus

Question 4

what does the SER make and stand for?

Answer 4

makes- steroids, lipids, carbs
stands for - smooth endoplasmic reticulum

Question 5

what modifies and packages substances for transport

Answer 5

Golgi

Question 6

what are vesicles?

Answer 6

membrane sacks used to transport substances

Question 7

what is the cell membrane called at a level?

Answer 7

Plasma membrane

Question 8

what organises the spindle in mitosis?

Answer 8

centrioles

Question 9

what are the organelles suspended in?

Answer 9

cytoplasm

Question 10

what does lysosomes do?

Answer 10

break down waste using hydrolytic enzymes

Question 11

which organelle has no membrane and conducts protein synthesis

Answer 11

Ribosome

Question 12

what molecule do mitochondria make?

Answer 12

ATP

Question 13

what are the two parts of the mitochondria?

Answer 13

cristae and matrix

Question 14

what does RER stand for and what is it?

Answer 14

ROUGH ENDOPLASMIC RETICULUM is covered in ribosomes for protein synthesis

Question 15

what is the membrane surrounding the permanent vacuole called?

Answer 15

the tonoplast

Question 16

what are the main parts of chloroplasts?

Answer 16

thylakoids make up the granum

Question 17

what is the cell wall made from?

Answer 17

cellulose

Question 18

what is the membrane of the nucleus called?

Answer 18

nuclear envelope

Question 19

what are the channels across cell walls called?

Answer 19

plasmodesmata

Question 20

what is a fungi cell wall mad of?

Answer 20

chitin

Question 21

what is the tail like structure used for movement called?

Answer 21

flagellum

Question 22

what extra substance can protect a bacteria cell?

Answer 22

slime capsule

Question 23

what are pili

Answer 23

hair like attachments used for attachment and communication

Question 24

how is the nucleic acid (genetic info) stored in a prokaryote?

Answer 24

a single, circular strand of DNA

Question 25

what is the name of the genetic information that can be passed between prokaryotes?

Answer 25

plasmids

Question 26

what are the 3 structures of viruses?

Answer 26

attachment proteins, capsid, genome

Question 27

what two forms can the genetic information of a virus be stored in?

Answer 27

RNA and DNA

Question 28

what is the extra layer of phospholipids that some viruses have called?

Answer 28

envelope

Question 29

what is the equation for magnification?
there are two equations for his

Answer 29

objective lens * eyepiece lens
image size/ actual size

Question 30

what are the two types of microscope?

Answer 30

Electron microscope
Optical microscope

Question 31

what are the two types of electron microscope?

Answer 31

Transmission electron microscope
scanning electron microscope

Question 32

which type of microscope creates a 3d image?

Answer 32

scanning electron microscope.

Question 33

what is the equation to find the length of one eyepiece graticule?

Answer 33

graticule length/ number of divisions

Question 34

how many nm in one micro meter?

Answer 34

1000

Question 35

what is the process of isolating specific organelle in a solution called?

Answer 35

cell fractionation

Question 36

what are the four steps of cell fractionation?

Answer 36

-create solution
-homogenise solution
-filtration
centrifugation

Question 37

what are the two parts of a solution that has been spun in a centrifuge?

Answer 37

pellet and supernatant.