Cell Cycle

What is the cell cycle?

• The gradual development of something, especially from a simple to a more complex form.
• The study of heredity and the variation of inherited characteristics.
• The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
• The series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells.

Which part of the Cell Cycle takes the longest?

• Interphase
• Mitosis
• Prophase
• Cytokinesis

What phase is this cell in?

• Cytokinesis
• Mitosis
• Prophase
• Metaphase

What phase is this cell in?

• Mitosis
• Interphase
• Anaphase
• Telophase

What phase is this cell in?

• Mitosis
• Cytokinesis
• Prophase
• Telophase

What phase is this cell in?

• Mitosis
• Interphase
• Prophase
• Telophase

Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -

• 16 chromosomes.
• 46 chromosomes.
• 8 chromosomes.
• 4 chromosomes.

Before cells can divide, what must be copied?

• mitochondria
• cytoplasm
• DNA
• Cell Wall

Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting without this enzyme?

• lipids

• nucleic acids

• proteins

• carbohydrates

Which best explains why the rate of a biochemical reaction decreases at high temperatures?

• The activation energy increases

• The shape of the enzyme changes

• The enzyme-substrate complex forms

• The bonds between substrates are broken