Cellular & Molecular Level Practice

What is the function of the mitochondria in a cell?

• Photosynthesis

• Protein synthesis

• Energy production

• Waste removal

Which of the following is a characteristic of prokaryotic cells?

• They have a nucleus.

• They lack membrane-bound organelles.

• They are typically larger than eukaryotic cells.

• They have multiple chromosomes.

What is the primary role of the cell membrane?

• To control what enters and leaves the cell

• To provide structural support to the cell

• To synthesize proteins

• To store genetic information

During which process do cells divide to produce gametes?

• Mitosis

• Meiosis

• Binary fission

• Cytokinesis

What is the shape of the DNA molecule?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

Which process describes the synthesis of a protein from mRNA?

• Transcription

• Translation

• Replication

• Mutation

What is the movement of water across a semi-permeable membrane called?

• Diffusion

• Active transport

• Osmosis

• Filtration

Which type of macromolecule is primarily used for storing genetic information?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

In taxonomy, what does the term "species" specifically refer to?

• A group of similar organisms capable of interbreeding

• A classification based on common genetic traits

• The highest classification rank

• A collection of genera

What is the main difference between mitosis and meiosis in terms of the number of daughter cells produced?

• Mitosis produces 2 daughter cells, while meiosis produces 4.

• Mitosis produces 4 daughter cells, while meiosis produces 2.

• Both produce 2 daughter cells.

• Both produce 4 daughter cells.