DNA
Which of the following is a polymer?
1. A single amino acid
2. DNA
1
What is the primary purpose of the cell cycle?
To produce identical daughter cells
What is the name of the process where a parent cell divides into two identical daughter cells?
Mitosis.
What must occur before a cell can begin mitosis?
DNA replicates.
What is the primary difference between sexual and asexual reproduction?
Sexual reproduction requires two parents, while asexual requires one
What is DNA?
A double helix molecule that carries genetic information
Which statement about mutations is correct?
1. Mutations only occur in adults
2. Mutations can be beneficial, harmful, or neutral
2
During which phase of the cell cycle does DNA replication occur?
Interphase.
In prophase, what happens to the nuclear membrane?
It dissapears.
What type of asexual reproduction occurs when a small growth on the parent organism develops and breaks off to form a new organism?
Budding
What is a chromosome made of?
Compacted DNA and proteins
What is the main function of chromosomes?
To organize and store genetic material
Which phase of mitosis involves chromosomes lining up along the cell's equator?
Metaphase.
What structures form during prophase to help move the chromosomes?
Spindle fibers.
In fragmentation, what happens to the separated pieces of the organism?
They each grow into a complete organism
What is heredity?
The passing of traits from parents to offspring
How do adaptations develop in a population?
Through inherited mutations that help survival
During which phase do the chromosomes begin to separate and move to opposite poles of the cell?
Anaphase.
What is the main difference between daughter cells and their parent cell?
There is no difference, they are identical.
Which type of reproduction typically results in greater genetic diversity?
Sexual reproudction.
What is a gene?
A segment of DNA that codes for a trait
What is the relationship between genes and traits?
Genes determine traits
What is the final stage of cell division called?
Cytokinesis
What type of cells are produced through meiosis?
Gametes.
What process occurs when a male gamete combines with a female gamete?
Fertilization.