bio ppt 1

Question 1

who has higher magnification? Electron or light microscope?

Answer 1

electron microscopes

Question 2

which microscope needs to be in thin slices? TEM or SEM

Answer 2

TEM

Question 3

which has higher resolving power? SEM or TEM?

Answer 3

TEM

Question 4

which cells are bigger? Eukaryotic cells or prokaryotic cells?

Answer 4

Eukaryotic cells are bigger and prokaryotic cells are smaller.

Question 5

flagellum is the shape of a?

Answer 5

tail

Question 6

what types of prokaryotic organisms are there?

Answer 6

bacteria, archaea

Question 7

what types of eukaryotic organisms are there?

Answer 7

protists, fungi, animals. plant

Question 8

do prokaryotic cells have a nucleus?

Answer 8

No

Question 9

do prokaryotic cells have membrane-bound organelles?

Answer 9

No

Question 10

do eukaryotic cells have membrane-bound organelles?

Answer 10

Yes

Question 11

mitochondria is responsible for

Answer 11

energy production.

Question 12

mitochondria is in nearly all ( ) cells

Answer 12

eukaryotic

Question 13

mitochondria has how many membranes?

Answer 13

2 (double)

Question 14

the matrix in the mitochondria contains 4 types

Answer 14

protein, lipids, ribosomes, DNA.

Question 15

chloroplasts are the site of ( ) in plant cells

Answer 15

photosynthesis

Question 16

chlorophyll is a green ( )

Answer 16

pigment

Question 17

chlorophyll absorbs the energy in ( )

Answer 17

sunlight

Question 18

stroma is the internal ( ) in a chloroplast

Answer 18

fluid

Question 19

Rough ER gives a large area for ( )

Answer 19

photosynthesis

Question 20

Rough ER provides a pathway for transporting ( )

Answer 20

proteins

Question 21

Smooth ER lacks ( )

Answer 21

ribosomes

Question 22

Smooth ER stores and transports ( ) and ( ).

Answer 22

lipids, carbohydrates

Question 23

proteins and lipids made in the ER pass into the ( )

Answer 23

golgi apparatus

Question 24

( ) and ( ) are made in the ER

Answer 24

proteins , lipids

Question 25

Lysosomal enzymes can hyrdolyse ( ), ( ), ( ), ( )

Answer 25

proteins, fats, polysaccharides, nucleic acids

Question 26

some types of cells can engulf one another by ( )

Answer 26

phagocytosis

Question 27

autophagy meaning

Answer 27

recycling the cells own organelles and macromolecules

Question 28

are ribosomes found in all cells?

Answer 28

yes

Question 29

ribosomes are made of 2 things

Answer 29

ribosomal RNA , protein

Question 30

ribosomes carry out protein synthesis in ( ) or ( )

Answer 30

cytoplasm, outside of the rough ER

Question 31

cell wall is found in ( ) cells

Answer 31

plant

Question 32

cell wall is made from ( )

Answer 32

cellulose

Question 33

vacuole is found within ( ) and some ( )

Answer 33

plant cells , bacteria

Question 34

name 3 function of the vacuole

Answer 34

- storing waste products - maintaining water and PH balance of the cell - maintaining the shape of the cell

Question 35

viruses are smaller or bigger than bacteria?

Answer 35

smaller

Question 36

Does viruses contain genetic material?

Answer 36

yes