yr.11 term 3 inquiry

Question 1

Cellular respiration

Answer 1

cellular biomechanics reactions and processes that use glucose and oxygen and produce carbon dioxide and water

Question 2

Metabolism

Answer 2

sum of all biochemical reactions in an organism. Catabolic and anabolic

Question 3

Autotroph

Answer 3

Capable of making its own food from inorganic substances

Question 4

heterotrophs

Answer 4

Cannot synthesise its own organic compounds from inorganic substances

Question 5

measurements

Answer 5

1000 um = 1mm

1 000 000 nm =1mm

Question 6

Microscopy

Answer 6

technical field using microscopes to view samples and objects that cannot be seen with the unaided eye

Question 7

Magnification

Answer 7

scaling up of object’s size

4x, 10x, 40x, 100x

Question 8

Resolution

Answer 8

measure of the clarity of the image

Question 9

prokaryotes

Answer 9

Single-celled organism 
lacks internal membrane-bound organelles 
No nucleus 
significantly smaller than eukaryotes 
Usually have 1 circular chromosome

Question 10

eukaryotes

Answer 10

Unicellular or multicellular 
internal membrane-bound organelles
Have nucleus 
relatively larger than prokaryotes 
Usually have linear chromosomes

Question 11

plant cells

Answer 11

Have chloroplast
have cell wall
Haver large vacuole

Question 12

cell membrane

Answer 12

Controls entry and exit of substances and encloses the cell

Question 13

Cytoplasm

Answer 13

all of cell contents

Question 14

Cytosol

Answer 14

semi-fluid part of cytoplasm

Question 15

Endoplasmic reticulum

Answer 15

transports materials such as proteins throughout this region
Smooth - no ribosomes
rough - ribosomes

Question 16

Golgi apparatus

Answer 16

structure of flattened sacs

Collect, package, modify, distribute materials such as proteins synthesised in cell

Question 17

lysosomes

Answer 17

Sac of enzymes that can digest foreign substances, including bacteria

Question 18

mitochondria

Answer 18

Site of aerobic respiration

Question 19

nucleus

Answer 19

Contains most of cell’s DNA

Question 20

ribosome

Answer 20

Non-membranous structure that carries out protein synthesis

Question 21

chloroplast

Answer 21

Site of photosynthesis

Question 22

cell wall

Answer 22

Protects the plant cell
maintain cell shape
Prevent excessive uptake of water

Question 23

large vacuole

Answer 23

Store water, nutrients, metabolic wastes and toxins

Question 24

stem cell

Answer 24

Unspecialised cell having potential to form into specialised cell

Question 25

light microscope

Answer 25

Most Organelles not visible
uses light
Can see nucleus, cytoplasm, cell membrane/wall
specimen can be alive

Question 26

Electron microscope

Answer 26

uses electrons instead of light
Electromagnets instead of glass lenses
interactions between electrons and objects are recorded on a photographic plate, forming image on screen

Question 27

Magnification

Answer 27

objective x ocular

Question 28

Field of view

Answer 28

OG mag/new mag x OG field of view

Question 29

Oil emersion

Answer 29

clearer resolution, light refracts less in oil than it does with air