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(28 cards)
What is the basic unit of life?
Cell
True or False: Enzymes are proteins that speed up chemical reactions.
True
Fill in the blank: The three main types of biological molecules are carbohydrates, lipids, and ______.
Proteins
Which kingdom includes organisms that are primarily unicellular and prokaryotic?
Monera
What is the function of enzymes in biological systems?
To catalyze biochemical reactions
Which type of carbohydrate is used for energy storage in animals?
Glycogen
What is the primary structure of proteins determined by?
The sequence of amino acids
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: All enzymes are specific to a particular substrate.
True
Fill in the blank: The lipid bilayer is a fundamental component of ______.
Cell membranes
What type of bond holds the amino acids together in a protein?
Peptide bond
Which kingdom is characterized by organisms that are multicellular and have cell walls made of cellulose?
Plantae
What is the pH range at which most enzymes function optimally?
Around 6 to 8
Multiple Choice: Which of the following is a monosaccharide? A) Glucose B) Sucrose C) Starch D) Glycogen
A) Glucose
What is the primary function of nucleic acids?
To store and transmit genetic information
True or False: Prokaryotic cells do not have a nucleus.
True
Fill in the blank: Enzymes are sensitive to changes in temperature and ______.
pH
What is the main component of the cell wall in fungi?
Chitin
What type of biological molecule are enzymes classified as?
Proteins
Multiple Choice: Which kingdom includes yeast and mold? A) Animalia B) Plantae C) Fungi D) Protista
C) Fungi
What are the two main types of nucleic acids?
DNA and RNA
True or False: All biological molecules are organic.
True
