Ib Biology Drawings, Labelling & Annotations

Front 1

D, L, A
E.Coli, Electron micrographs
7

Back 1

- cell wall
- plasma membrane
- cytoplasm
- pili
- flagella
- ribosomes
- nucleoid

Front 2

D, L, A
Liver Cell, Electron micrographs
6

Back 2

- rER
- lysosome
- Golgi apparatus
- mitochondria
- nucleus
- ribosomes

Front 3

D, L
Structure of membranes
5

Back 3

- phospholipid bilayer
- cholestrol
- glycoproteins
- integral proteins
- peripheral proteins

Front 4

D, L
Water molecule
2

Back 4

- polarity
- H-bond formation

Front 5

D, L
Molecular structure of DNA
6

Back 5

- covalent bonds
- H-bonds
- antiparallel strands
- deoxyribose sugar
- base
- phosphate

Front 6

D, L
Carbon cycle
4

Back 6

- photosynthesis
- cell respiration
- fossilisation
- combustion

Front 7

D, L
Sigmoid (s-shaped) population growth curve
3

Back 7

- exponential growth phase (natality high; few predators; less disease; resources abundant)

- transitional phase
(competition for resources increasing; greater number of predators, disease; natality decreasing; mortality increasing)

- plateau phase
(natality + immigration = mortality + emigration)

Front 8

D, L
Digestive system
9

Back 8

- mouth
- oesophagus
- stomach
- small intestine
- large intestine
- anus
- liver
- pancreas
- gall bladder

Front 9

D, L
Heart
18

Back 9

RIGHT
- right ventricle (larger than atria; thinner walls than left ventricle)
- atrio-ventricular valve
- right atrium (thinner walls than ventricles)
- inferior vena cava
- superior vena cava
- deoxygenated blood from body
- pulmonary artery
- deoxygenated blood to lungs
- pacemaker

LEFT
- aorta
- oxygenated blood to body
- coronary artery
- oxygenated blood from lungs
- pulmonary vein
- semilunar valve
- left atrium (thinner walls than ventricles)
- atrio-ventricular valve
- left ventricle (larger than atria)

Front 10

D, L
Ventilation system
5

Back 10

- trachea
- lungs
- bronchi
- bronchioles
- alveoli

Front 11

D, L
Motor neuron
6

Back 11

- dendrites
- cell body (with nucleus)
- axon
- myelin sheath
- nodes of Ranvier
- motor end plates

Front 12

D, L
Male reproductive system
11

Back 12

- bladder
- sperm duct
- erectile tissue
- penis
- urethra
- foreskin
- testis
- seminal vesicle
- prostate gland
- epididymis
- scrotum

Front 13

D, L
Female reproductive system
9

Back 13

- ovary
- uterus
- bladder
- urethra
- oviduct
- cervix
- vagina
- large intestine
- vulva

Front 14

L, A
Graph showing hormone levels in menstrual cycle
4

Back 14

- Relationship between changes in hormone levels
- ovulation
- menstruation
- thickening of endometrium

Front 15

D, L
Peptide bond
1

Back 15

- NCC backbone
- 2 amino acids
- Water is product of condensation reaction

Front 16

D, L
Mitochondrion in electron micrograph
8

Back 16

- 1-2 micrometres
- outer mitochondrial membrane
- inner mitochondrial membrane
- thin inter-membrane space
- cristae
- matrix
- 70s ribosomes
- circular DNA

Front 17

D, L
Chloroplast in electron micrograph
7

Back 17

- inner & outer membranes (envelope)
- starch grain
- lipid droplet
- stroma
- granum
- 70s ribosomes
- circular DNA

Front 18

D, L
Tissue plan of stem of dicotyledonous plant
6

Back 18

- pith
- cortex
- phloem (vascular bundle)
- cambium (vb)
- xylem (vb)
- epidermis (draw as double line)

Front 19

D, L
Tissue plan of leaf of dicotyledonous plant
11

Back 19

- waxy cuticle (top)
- upper epidermis
- palisade mesophyll
- spongy mesophll
- xylem (vein)
- phloem (vein)
- air space
- lower epidermis
- waxy cuticle (bottom)
- stoma
- guard cells

Front 20

D, L
Dicotyledonous, animal pollinated, flower
7

Back 20

- sepal
- anther
- filament
- stigma
- style
- ovary

Front 21

D, L
External & internal structure of dicotyledonous seed
5

Back 21

- testa
- micropyle
- embryo root
- embryo shoot
- cotyledons

Front 22

L
Elbow joint (human)
8

Back 22

- cartilage
- synovial fluid
- joint capsule
- humerus
- radius
- ulna
- biceps
- triceps

Front 23

D, L
Sarcomere
5

Back 23

- Z-lines
- actin filaments
- myosin filaments (with heads)
- light bands
- dark bands

Front 24

D, L
Kidney
6

Back 24

- cortex
- medulla
- pelvis
- ureter
- renal artery
- renal vein

Front 25

D, L
Mature egg
8

Back 25

- polar body
- zona pellucida (jelly coat)
- fluid-filled space
- haploid nucleus
- plasma membrane
- cortical granules (vesicles)
- centrioles
- cytoplasm

Front 26

D, L
Mature sperm
6

Back 26

- acrosome
- plasma membrane
- haploid nucleus
- centriole
- mitochondria
- microtubules & protein fibres

(head 4 micrometres
midpiece 8 micrometres
tail 40 micrometres)

Front 27

L, A
Light micrograph of testis
4

Back 27

- interstitial (Leydig) cells
- germinal epithelium cells
- developing spermatozoa
- Sertoli cells

Front 28

L, A
Ovary
4

Back 28

- location & function of germinal epithelium
- primary follicles
- mature follicles
- secondary oocyte