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Aldona Griskeviciene
Aldonagriskeviciene
Vilnius, Lithuania

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Cellular respiration: aerobic and anaerobic

Water circulation in the plant root, stem and leaf

Diagram of life cycle of flowering plant with double fertilization

Comparative anatomy of heart in vertebrates diagram

Types of polyploidy. Haploid N, Diploid 2N, Triploid 3N, Tetraploid 4N, Hexaploid 6

Water Uptake and Transport in Vascular Plants

The respiratory system change from tadpoles to adult frogs. Amphibian lungs, Frog skin structure, Tadpoles gills

Water circulation in the plant. Transpiration

Elodea isolated on white background

Lymphatic circulation and the structure of lymphatic vessels

Difference between bacteria, animal and plant cells

Plant root absorption of Water

Process of bacterial fission. Reproduction.

The nephron is the functional unit of the kidney.

Methods of movement through the cell membrane

Structural classification of glands. Compound glands

Plant Stem comparison on monocot left and dicot right

Prophase is the first phase of mitosis

Pancreas, gallbladder and duodenum location

Joseph Priestley`s experiment with a plant and and mouse

A knife switch is a type of switch used to control the flow of electricity in a circuit

HIV viral life cycle

Cross section of a Chlamydomonas

The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside

During gametogenesis, diploid or haploid precursor cells divide and differentiate to form mature haploid gamete.

This type of mouth parts are found in cockroaches, grasshoppers, locusts, termites, wasps, book and bird lice, earwigs, dragonflie

Illustration of bacterial transformation

Normal and dry skin. Diagrame

Epithelial gland types: endocrine, exocrine, sweat

Components of a typical mitochondrion

Evolution of the horse

Water content in human body. Diagram

Heat and perspiration from the skin. The mechanism body temperature regulation

Anatomy of Trachea and Esophagus

Illustration showing the inflamation of the bronchus causing asthma

Pollination is the sexual method of reproducing in all plants by the process of transferring the pollen grains from the anther to

Light and dark pepper moth shape adaptation

Sex Determination in Humans. Gender determination

Lllustration of eukaryotic and prokaryotic cell with text

Stages of caries development Periodontitis

Illustration of Pseudostratified Columnar Epithelia

Gas and water diffusion. Diffusion - process in physics

Structure of fungus cell. Illustration

ATP: The Energy Currency for the Cell

Mechanism of DNA replication. Replication model with zipper

DNA and histone proteins are packaged into chromosomes.

Types of genome in virus, bacteria and human mitochondria. Diagram of closed circular DNA and linear DNA

Illustration of eukaryotic and prokaryotic cells. Differences

Illustration of difference between arteries and veins

Grasshopper respiratory system diagram. The process of breathing in insects

The salivary glands in mammals are exocrine glands

Cnidocyte structure and Nematocyst discharge

Internal anatomy of the tree stem

Plant genetic engineering, also known as plant genetic modification or manipulation

Chloroplast, structure within the cells of plants and green algae

Life Cycle of a Moss

Difference Between Small and Large Intestine

Aerobic and anaerobic respiration in cells

Exchange and Transport Systems - Gas Exchange in Fish

Electrical circuit components and their symbols

Cloning Dolly sheep illustration

Balance length and weight beam

How to prepare microscope slides for examination of leaf cells

Water transport system in plants

Sensory and Motor Neurons in Spinal Cord

Respiratory system is the network of organs and tissues that help you breathe

Plant root structure

Structure of plant root

Tendrils help the plant to climb a support. Thigmotropism

3 types of muscle tissue and cell

Sweet Kelp Saccharina latissima

The nephron is the functional unit of the kidney.

Diffusion is a passive process of transport

Cells divide by two mechanisms called mitosis and meiosis

Formation of glacier. Glacial ice is composed of ice crystals, snow, air, water and sediments.

The position of the epiglottis during breathing and swallowing

Structure of small intestine

Internal anatomy of the tree stem

Structure of human myoglobin molecule

Phototropism â€“ It is the movement of plants in response to light. The shoot moves towards the ligh

Germination of pollen grain. Plant germ development

Childbirth process. Isolated illustration

Chloroplast, plant cell organelle. illustration

Digestive system of sponge

Human pancreas illustration

Reactions relate to the free energy of the involved molecules

Pseudostratified columnar epithelium of nasal mucosa

Nutrition and Digestion in Hydra vulgaris

Trees grafting methods

Tineola bisselliella. Common clothes moth

Plant life cycle. Alternation of generations between a diploid sporophyte and a haploid gametophyte

Variation in the growth response of plants to an elevated ambient CO2 concentration. Greenhouse effect

Nutrition of Amoeba

A reflex arc is a neural pathway that controls a reflex

Illustration of Structure Skeletal Muscle

Cellular Structure of Leaf. Internal Leaf Structure a leaf is made of many layers that are sandwiched between two layers of tough

Endocytosis, exocytosis. The cell transports proteins into the cell

Difference between artery and vein lumen

Different Stages Early Embryonic Development

The structure of the roundworm. Ascaris

Types of lichen. Cladonia rangiferina,Reindeer lichen. Evernia prunastri, Oakmoss. Xanthoria parietina. Foliose, or Leafy

Mechanism of action of the enzyme. Key and lock hypothesis

Model of mitosis Phases. Cell division. An example of plasticine

Anatomy of a euglena

Human growth and development illustration

Dispersal of fruits and seeds

Transpiration of leaf stomata illustration

The freshwater hydra and its mode of locomotion

Feeding and Digestion in Amoeba

Synapse of the nervous system. Neuromuscular

East cell reproduction

Human Olfactory Receptors and Pathway

Gastric glands and cell types. Sectional view of stomach mucosa. Stomach anatomy

Structure of Gills in Fishes and respiration

Illustration of the bacteria cell structure

The components of ATP synthase, a rotary motor

Respiratory system of insects

General earthworm anatomy

Bacteria recombination. Bacterial transformation, conjugation, transduction. Genetics

Yeast cell illustration

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