Titlebook: Making Use of Biology for GCSE; Pauline Alderson,Martin Rowland Textbook 1989Latest edition Macmillan Publishers Limited 1989 biology.cell

Ingenuity

Ovulation

Enzymes is the smallest unit of living matter. Inside a cell take place the chemical reactions that are the cell’s living activities. These chemical reactions inside cells, which are known as . or ., either release or use energy inside the cell.

overwrought

ethnology

Nutrition in MicroorganismsAll living organisms need a supply of food. Getting food, taking in food and making food (as plants do) are called .. Organisms need food because it contains

苦笑

FoodMost food is of three kinds: . and . (fats and oils) both provide energy; . are used for growth and for repair of tissue. We also need . and . for good health. Every day too we should drink . and take some of our carbohydrate in the form of ., which prevents constipation.

Arresting

ARIA

Macmillan Publishers Limited 1989

向外

精致

Fermentation such compounds industrially, humans make use of microorganisms. Scientists have been able to extract some of the enzymes used in fermentations from the microorganisms that make them. Some industrial fermentations use only extracted enzymes, not whole microorganisms.

恶臭

Variety of Living Thingsd snails. We call all these living things .. All around you are millions more organisms too small for you to see. We make use of many organisms throughout our daily lives: we could not live without them.