BIOLOGY HL DEFINITIONS IB

Define DIFFUSION

Define OSMOSIS

3.1.1 State the most frequently occurring chemical elements in living things

3.1.2 State the variety of other elements that are needed by living organisms

Role of Sulphur

Role of Calcium

Phosphorus

Role of iron

Role of sodium

Define ENZYMES

Define ACTIVE SITE

Define DENATURATION

Define CELL RESPIRATION

Define GENES

Define ALLELE

Define GENOME

Define GENE MUTATION

Define HOMOLOGOUS CHROMOSOMES

In karyotyping, chromosomes are arranged in pairs according to:

Genotype definition

PHENOTYPE

Dominant allele DEFINITION

Recessive Allele

Codominant alleles:

Locus

Homozygous:

Heterozygous:

Carrier:

Test cross:

SEX LINKAGE

CLONE

SPECIES

HABITAT

POPULATION

COMMUNITY

ECOSYSTEM

ECOLOGY

AUTOTROPHS

HETEROTROPHS

CONSUMER

DETRITIVORE

SAPROTROPH

TROPHIC LEVEL

3 FACTORS THAT LIMIT POPULATION INCREASE

EVOLUTION

PORIFERA - FEATURES

CNIDARIA - FEATURES

PLATYHELMINTHS - FEATURES

ANNELIDA - FEATURES

MOLLUSCA - FEATURES

ARTHROPODA - FEATURES

State SOURCE, SUBSTRATE, PRODUCTS AND pH of
AMYLASE

Enzyme, Source, Substrate, Products
and pH of
PROTEASE

Enzyme, Source, Substrate, Products
and pH of
LIPASE

BLOOD COMPOSITION

TRANSPORTED BY BLOOD

PATHOGEN

RESTING POTENTIAL

ACTION POTENTIAL

NUCLEOSOMES

4 STEPS OF TRANSLATION

WAYS IN WHICH MINERAL IONS IN THE SOIL MOVE TO THE ROOT

DEFINE TRANSPIRATION

POLLINATION

FERTILIZATION

SEED DISPERSAL

LINKAGE GROUP

POLYGENIC INHERITANCE

IMMUNITY

ACTIVE IMMUNITY

PASSIVE IMMUNITY

BONES

MUSCLES

LIGAMENTS

TENDONS

NERVES

EXCRETION

OSMOREGULATION

OPTION D - EVOLUTION
ALLELE FREQUENCY

OPTION D - EVOLUTION
GENE POOL

OPTION D - EVOLUTION
HALF-LIFE

OPTION D - EVOLUTION
CLADISTICS

OPTION D - EVOLUTION
CLADE

OPTION G - ECOLOGY AND CONSERVATION
BIOMASS

OPTION G - ECOLOGY AND CONSERVATION
GROSS PRODUCTION

OPTION G - ECOLOGY AND CONSERVATION
NET PRODUCTION

OPTION G - ECOLOGY AND CONSERVATION
BIOMAGNIFICATION