Science Biology Foundation Level Flashcards
(27 cards)
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
Fill in the blank: The process by which plants convert sunlight into energy is called ______.
photosynthesis.
What are the two main types of cells?
Prokaryotic and eukaryotic.
Which organelle is known as the powerhouse of the cell?
Mitochondria.
What is the function of the cell membrane?
To protect the cell and regulate what enters and exits.
Multiple Choice: Which of the following is NOT a characteristic of living things? A) Growth B) Reproduction C) Inability to adapt D) Response to stimuli
C) Inability to adapt.
What is the role of ribosomes in a cell?
To synthesize proteins.
True or False: DNA is found in the nucleus of eukaryotic cells.
True.
What is the scientific method?
A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.
Fill in the blank: The genetic material in most organisms is made up of ______.
DNA.
What is homeostasis?
The ability of an organism to maintain a stable internal environment.
Multiple Choice: Which of the following is a type of macromolecule? A) Water B) Protein C) Salt D) Sugar
B) Protein.
What are enzymes?
Biological catalysts that speed up chemical reactions in the body.
True or False: All enzymes are proteins.
True.
What is the role of chloroplasts in plant cells?
To conduct photosynthesis.
Fill in the blank: The three main parts of a nucleotide are a sugar, a phosphate group, and a ______.
nitrogenous base.
What is the difference between mitosis and meiosis?
Mitosis results in two identical daughter cells, while meiosis results in four genetically diverse gametes.
Multiple Choice: Which process involves the division of the cytoplasm? A) Mitosis B) Cytokinesis C) Interphase D) Meiosis
B) Cytokinesis.
What is natural selection?
The process where organisms better adapted to their environment tend to survive and produce more offspring.
True or False: Evolution is a gradual process that occurs over long periods.
True.
What is a mutation?
A change in the DNA sequence of a gene.
Fill in the blank: The basic building blocks of proteins are called ______.
amino acids.
What is the function of the Golgi apparatus?
To modify, sort, and package proteins and lipids for secretion or delivery to other organelles.
