AQA GCSE Biology Paper 1 Flashcards
(25 cards)
What is the basic unit of life?
The cell.
True or False: DNA is found in the nucleus of a cell.
True.
Fill in the blank: The process by which plants make their own food is called ______.
photosynthesis.
What are the four main types of biomolecules?
Carbohydrates, proteins, lipids, and nucleic acids.
What is the function of enzymes?
To speed up chemical reactions in the body.
Which organelle is responsible for energy production in the cell?
Mitochondria.
What is the role of the ribosome?
To synthesize proteins.
Multiple Choice: Which of the following is a prokaryotic cell? A) Plant cell B) Animal cell C) Bacterial cell D) Fungal cell
C) Bacterial cell.
True or False: All living organisms are made up of cells.
True.
What is the main component of the cell membrane?
Phospholipids.
Fill in the blank: The ______ is the control center of the cell.
nucleus.
What is homeostasis?
The maintenance of a stable internal environment.
Multiple Choice: Which of the following is NOT a function of proteins? A) Enzyme activity B) Structural support C) Energy storage D) Hormone regulation
C) Energy storage.
What is the primary function of chloroplasts?
To carry out photosynthesis.
True or False: Lipids are soluble in water.
False.
What type of bond holds the two strands of DNA together?
Hydrogen bonds.
Fill in the blank: The ______ is the basic unit of heredity.
gene.
What is the purpose of the scientific method?
To systematically investigate and understand phenomena.
Multiple Choice: Which part of the cell is selectively permeable? A) Cell wall B) Cytoplasm C) Cell membrane D) Nucleus
C) Cell membrane.
What are the two main stages of cellular respiration?
Glycolysis and the Krebs cycle.
True or False: All enzymes are proteins.
True.
What is the primary energy currency of the cell?
ATP (adenosine triphosphate).
Fill in the blank: The ______ is the site of protein synthesis.
ribosome.
What is the role of the Golgi apparatus?
To modify, sort, and package proteins and lipids.
